{"data":{"slug":"samsung-galaxy-watch-fe","type":"smartwatch","brand":"Samsung","name":"Galaxy Watch FE","aliases":["Samsung Galaxy Watch FE","Galaxy Watch FE 40mm","SM-R861","SM-R866"],"release_date":"2024-06-24","url":"https://arkivo.dev/smartwatches/samsung-galaxy-watch-fe","specs":{"series":"Galaxy Watch","model_numbers":["SM-R861","SM-R866"],"gtins":null,"announce_date":"2024-06-13","status":null,"predecessor":null,"successor":null,"launch_price_usd":199.99,"launch_price_eur":219,"markets":null,"colors":["Black","Pink Gold","Silver"],"manufacturer_url":"https://www.samsung.com/in/watches/galaxy-watch/galaxy-watch-fe-40mm-black-bluetooth-sm-r861nzkains/","spec_sheet_url":"https://www.samsung.com/in/watches/galaxy-watch/galaxy-watch-fe-40mm-black-bluetooth-sm-r861nzkains/","manual_url":"https://org.downloadcenter.samsung.com/downloadfile/ContentsFile.aspx?CDSite=UNI_CA&OriginYN=N&ModelType=N&ModelName=SM-R861&CttFileID=9810261&CDCttType=UM&VPath=UM%2F202407%2F20240719131927206%2FR861_UG_CA_Android_ENG_D2.pdf","eprel_registration_number":null,"warranty_years":null,"segment":"smartwatch","os_updates_years":null,"security_updates_until":null,"case_sizes_mm":[40],"case_shape":"round","case_material":"aluminium","case_material_name":"Aluminum case","back_material":null,"case_dimensions_mm":{"height_mm":39.3,"width_mm":40.4,"thickness_mm":9.8},"weight_g":26.6,"weight_with_strap_g":null,"water_resistance_atm":5,"water_resistance_standard":"ISO 22810:2010","ip_rating":["IP68"],"dive_rating":null,"dive_max_depth_m":null,"mil_std_810":true,"mil_std_810_tests":null,"operating_temperature_c":{"min_c":0,"max_c":35},"display_technology":"oled","display_technology_name":"Super AMOLED","screen_size_in":1.2,"resolution":{"width_px":396,"height_px":396},"pixel_density_ppi":null,"display_area_mm2":null,"touchscreen":true,"refresh_rate_max_hz":null,"refresh_rate_min_hz":null,"brightness_peak_nits":null,"brightness_min_nits":null,"always_on_display":true,"display_cover_material":"sapphire","display_cover":"Sapphire Crystal glass","platform":"wear_os","os_at_launch":"Wear OS 4","os_skin":"One UI 5 Watch","os_latest":"Wear OS 6 (One UI 8 Watch)","compatible_phone_os":["android"],"phone_os_requirement":"Android 11.0 or higher with more than 1.5 GB of memory. The phone needs Google Mobile Services. Not compatible with Android Go edition.","third_party_apps":true,"voice_assistants":["Bixby"],"chipset":"Exynos W920","process_node_nm":5,"cpu_core_count":2,"cpu_clusters":[{"count":2,"core_name":"Cortex-A55","max_ghz":1.18}],"cpu_max_ghz":1.18,"gpu":"Arm Mali-G68","low_power_coprocessor":null,"ram_gb":[1.5],"storage_gb":[16],"heart_rate_sensor":"Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis)","ecg":true,"spo2":true,"skin_temperature":false,"blood_pressure":"cuff_calibrated","bioimpedance":true,"eda_sensor":null,"medical_clearances":null,"accelerometer":true,"accelerometer_max_g":null,"gyroscope":true,"barometer":true,"compass":true,"ambient_light_sensor":true,"depth_gauge":null,"depth_gauge_max_m":null,"water_temperature_sensor":null,"health_features":["heart_rate_alerts","irregular_rhythm_notifications","ecg_app","blood_oxygen_app","sleep_tracking","sleep_stages","stress_tracking","cycle_tracking","body_composition"],"fitness_features":["auto_workout_detection","pool_swim","open_water_swim"],"sport_profiles_count":null,"dive_modes":null,"external_sensor_types":null,"fall_detection":true,"crash_detection":null,"emergency_sos":true,"emergency_siren_db":null,"live_tracking":null,"led_flashlight":null,"positioning":["GPS","GLONASS","BeiDou","Galileo"],"dual_frequency_gnss":null,"offline_maps":null,"bluetooth":true,"bluetooth_version":"5.3","wifi":true,"wifi_standard":"wifi_4","wifi_bands":["2.4ghz","5ghz"],"cellular":true,"network_technologies":["lte"],"bands_4g":null,"bands_5g":null,"nfc":true,"nfc_payments":true,"payment_services":["Samsung Wallet"],"uwb":null,"satellite_connectivity":null,"ant_plus":null,"speaker":true,"microphone_count":null,"calls_on_watch":"cellular_and_phone","offline_music":true,"button_count":2,"hardware_buttons":["Home button","Back button"],"crown":"none","rotating_bezel":"touch","gesture_controls":null,"battery_capacity_mah":247,"battery_life_claimed":[{"mode":"smartwatch","with_solar":false,"hours":40}],"battery_life_smartwatch_claimed_h":40,"battery_life_always_on_claimed_h":null,"battery_life_gps_claimed_h":null,"solar_charging":null,"charging_method":"proprietary_wireless","charging_notes":"Samsung describes WPC-based wireless charging. The user guide says to charge with the supplied wireless charger on a USB power adapter and that some third-party charging pads do not work with the band attached. The adapter rating is not published.","charging_max_w":null,"fast_charging":null,"quick_charge":null,"charge_time_0_80_min":null,"charge_time_0_100_min":null,"measured_brightness_nits":null,"measured_battery_active_use_h":null,"battery_life_measured":[{"test":"mixed_use_always_on","hours":27},{"test":"mixed_use_always_off","hours":39}],"measured_charge_time_min":null,"band_width_mm":20,"quick_release":true,"band_compatibility":"Standard 20 mm straps with Samsung one-click band release","band_material":null,"band_name":null,"band_sizes":null,"fcc_ids":["A3LSMR861"],"sar_limb_w_kg":null,"sar_eu_limb_w_kg":null,"other_certifications":null,"in_the_box":null,"charger_in_box":null},"variants":[{"model_number":"SM-R861","cellular":false,"launch_price_usd":199.99,"launch_price_eur":219,"fcc_ids":["A3LSMR861"]},{"model_number":"SM-R866","cellular":true,"network_technologies":["lte"],"launch_price_usd":249.99,"launch_price_eur":269}],"sources":[{"url":"https://www.samsung.com/in/watches/galaxy-watch/galaxy-watch-fe-40mm-black-bluetooth-sm-r861nzkains/","kind":"manufacturer_page","accessed":"2026-10-13","fields":["series","manufacturer_url","spec_sheet_url","bluetooth_version","wifi","wifi_standard","wifi_bands","nfc","positioning","platform","display_technology","display_technology_name","resolution","ram_gb","storage_gb","heart_rate_sensor","accelerometer","gyroscope","barometer","ambient_light_sensor","bioimpedance","ecg","case_dimensions_mm","weight_g","water_resistance_atm","battery_capacity_mah","battery_life_claimed","display_cover_material","display_cover","fall_detection","quick_release","offline_music","health_features","fitness_features","case_shape","bluetooth"],"notes":{"series":"Product name Galaxy Watch FE in the Samsung Galaxy Watch line.","manufacturer_url":"Samsung India product page for the Bluetooth 40 mm model. The page lists Launch date 26 September 2024 for India.","bluetooth_version":"Specifications: Bluetooth v5.3 with A2DP, AVRCP, HFP and HSP profiles. The US launch release table lists 5.0, which the global release, the Samsung spec pages and the Bluetooth SIG listing contradict.","wifi_standard":"Specifications: Wi-Fi 802.11a/b/g/n 2.4GHz+5GHz, so Wi-Fi 4 on two bands.","positioning":"Specifications: GPS, Glonass, Beidou, Galileo. Signal bands are not published.","display_technology_name":"Specifications: Super AMOLED.","resolution":"Specifications: 396 x 396. Colour depth 16M.","ram_gb":"Specifications: Memory 1.5 GB.","storage_gb":"Specifications: Storage 16 GB, with 7.6 GB available to the user.","heart_rate_sensor":"Specifications Sensors: Accelerometer, Barometer, Bioelectrical Impedance Analysis Sensor, Electrical Heart Sensor, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Optical Heart Rate Sensor. The global release names them the Samsung BioActive Sensor.","ecg":"Page text: if irregularities are detected the watch prompts a detailed ECG examination. Electrical Heart Sensor is listed. Availability of ECG varies by country.","case_dimensions_mm":"Specifications: Body Dimension (HxWxD, mm) 39.3 x 40.4 x 9.8. The global release footnote says measured without health sensors.","weight_g":"Specifications: Body Weight 26.6 g. The global release footnote says measured without band. The US launch release table lists 25.9 g, which the global release and Samsung spec pages contradict.","water_resistance_atm":"Specifications: Durability 5 ATM.","battery_capacity_mah":"Specifications: Battery capacity 247 mAh typical, not removable.","battery_life_claimed":"Specifications: Usage time up to 40 hours with the always-on display off. No other test conditions are stated.","display_cover":"Page: Sapphire crystal glass withstands scratches and drops.","fall_detection":"Page: Fall Detection sends an SOS when it detects a fall. Footnote: the Detect falls feature must be enabled in the Galaxy Wearable app.","quick_release":"Page: press the release button on the one-click band to detach the band.","offline_music":"Specifications: Audio Playing Format MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, with 16 GB of storage. The user guide describes managing audio files saved on the watch.","health_features":"Page: heart rate alerts for a heart rate that is too high or too low, an ECG prompt on irregularities, and body composition. Footnote: Irregular Heart Rhythm Notification availability varies by country.","fitness_features":"Page: the watch automatically recognizes and logs running, walking and biking. Footnote: auto detect is available for certain workouts.","case_shape":"Round case and round 396 x 396 display on the product images and user guide.","bluetooth":"Specifications list a Bluetooth version and profiles."}},{"url":"https://news.samsung.com/global/first-galaxy-watch-fe-empowers-even-more-users-with-samsungs-advanced-health-monitoring-technology","kind":"press_release","accessed":"2026-10-13","fields":["announce_date","colors","case_material","case_material_name","chipset","os_skin","mil_std_810","ip_rating","screen_size_in","always_on_display","case_sizes_mm","blood_pressure","nfc_payments","payment_services","phone_os_requirement","compatible_phone_os","health_features","voice_assistants","platform","ecg","calls_on_watch","cellular","network_technologies","bluetooth_version","resolution","display_technology","weight_g","case_dimensions_mm","battery_capacity_mah","charging_method","segment"],"notes":{"announce_date":"Samsung Global Newsroom release of 13 June 2024.","segment":"Presented as a new addition to the Samsung smartwatch lineup.","colors":"Black, Pink Gold and Silver. Colour availability varies by market.","case_sizes_mm":"Available in a size of 40 mm.","case_material":"Spec table: Aluminum case.","case_material_name":"Spec table: Aluminum case. Retailers call it Armor Aluminum, which Samsung does not state here.","chipset":"Spec table: Exynos W920 Dual Core 1.18GHz.","os_skin":"Spec table: UI One UI 5 Watch.","mil_std_810":"Spec table: Durability 5ATM + IP68 / MIL-STD-810H. The US launch release table says MIL-STD-810G. Both mean a MIL-STD-810 claim. Samsung publishes no test list.","ip_rating":"Spec table lists IP68. Footnote 23: IP68 against dust and fresh water to a maximum of 1.5 meters for up to 30 minutes. The user guide words it as IPX8 and IP6X.","screen_size_in":"Spec table: 1.2-inch, 396x396, Super AMOLED, Full Color Always On Display. The India page lists the main display as 3.04 cm.","always_on_display":"Spec table: Full Color Always On Display.","blood_pressure":"Release: Blood Pressure feature only in select markets. Calibrate every four weeks with a traditional blood pressure cuff. It cannot diagnose hypertension. The US launch release does not name blood pressure.","nfc_payments":"Release: supports Samsung Wallet for payments. Availability varies by market and paired phone.","payment_services":"Samsung Wallet.","phone_os_requirement":"Spec table: Android 11.0 or higher and with more than 1.5GB of memory. Footnote 21: works with phones running the latest Android, excluding Go edition and phones without Google Play Store. Footnote 24: activation needs a phone that supports Google Mobile Services.","compatible_phone_os":"Spec table lists Android phones only.","health_features":"Release: HR Alert, Irregular Heart Rhythm Notification in select markets, ECG and blood pressure in select markets, sleep features with sleep coaching, and Body Composition. All are general wellness features. Availability varies by market.","voice_assistants":"Footnote 21 describes Wear OS Powered by Samsung. The user guide names Bixby as the voice assistant on the Home button.","platform":"Spec table: OS Wear OS Powered by Samsung.","ecg":"Release: users can monitor ECG. ECG is only available in select markets.","calls_on_watch":"Spec table: LTE connectivity only available in LTE models. The Bluetooth model makes calls through the paired phone with the HFP profile on the India page.","cellular":"Spec table: LTE (footnote 22: LTE connectivity only available in LTE models).","network_technologies":"Spec table: LTE.","bluetooth_version":"Spec table: Bluetooth 5.3.","resolution":"Spec table: 396x396.","display_technology":"Spec table: Super AMOLED.","weight_g":"Spec table: 26.6g, footnote 19 measured without band.","case_dimensions_mm":"Spec table: 39.3 x 40.4 x 9.8mm, footnote 18 measured without health sensors.","battery_capacity_mah":"Spec table: 247mAh (typical).","charging_method":"Spec table: WPC-based wireless charging. Not established as generic Qi."}},{"url":"https://news.samsung.com/us/samsung-galaxy-watch-fe-with-advanced-health-monitoring-technology/","kind":"press_release","accessed":"2026-10-13","fields":["release_date"],"notes":{"release_date":"Samsung Electronics America release of 13 June 2024: the Bluetooth model is available in the US from 24 June 2024. The LTE model followed later. The US release spec table lists 25.9 g, Bluetooth 5.0 and MIL-STD-810G, which differ from the global release."}},{"url":"https://org.downloadcenter.samsung.com/downloadfile/ContentsFile.aspx?CDSite=UNI_CA&OriginYN=N&ModelType=N&ModelName=SM-R861&CttFileID=9810261&CDCttType=UM&VPath=UM%2F202407%2F20240719131927206%2FR861_UG_CA_Android_ENG_D2.pdf","kind":"manual","accessed":"2026-10-13","fields":["manual_url","operating_temperature_c","water_resistance_standard","ip_rating","button_count","hardware_buttons","crown","rotating_bezel","touchscreen","spo2","compass","emergency_sos","fall_detection","third_party_apps","speaker","voice_assistants","fitness_features","health_features","nfc_payments","offline_music","blood_pressure","calls_on_watch","ecg","bioimpedance","charging_method","charging_notes"],"notes":{"manual_url":"User guide SM-R861, English (CA), 06/2024, Rev. 1.0 on Samsung Download Center.","operating_temperature_c":"Health and Safety: the device can be used at an ambient temperature of 0 to 35 C. Storage is -20 to 50 C.","water_resistance_standard":"Maintaining water and dust resistance: 5ATM tested by submerging in 50 m of fresh water for 10 minutes to meet ISO 22810:2010. IPX8 at 1.5 m for 30 minutes and IP6X under IEC 60529.","ip_rating":"The guide states IPX8 and IP6X. The release table states IP68, which is the stored value.","button_count":"Device layout lists a Home button and a Back button. Both double as electrical biosensors.","hardware_buttons":"Device layout: Home button (Power button) and Back button.","crown":"Device layout lists the Home and Back buttons and a touch bezel. It does not list a crown.","rotating_bezel":"Touch bezel section: the watch has a touch bezel around the screen. Swipe it clockwise or counterclockwise to scroll.","touchscreen":"The screen supports tapping and the Home screen is controlled by touch.","spo2":"Samsung Health, Blood oxygen: tap Measure to measure the blood oxygen level.","compass":"A Compass app is listed. The India page lists a geomagnetic sensor.","emergency_sos":"Sending an SOS: in an emergency press the Home button five times to make an emergency call and send an SOS message with the location. Needs set-up in the Galaxy Wearable app.","fall_detection":"Requesting an SOS when you are hurt from a fall: Hard fall detection is switched on in the Galaxy Wearable app.","third_party_apps":"Play Store app on the watch, with a Google Account registered.","speaker":"Device layout lists a speaker and a microphone.","voice_assistants":"Press and hold the Home button to start Bixby.","fitness_features":"Exercise lists Pool swim and Open water swim. Auto detect workouts records exercise type, duration and calories automatically.","health_features":"Sleep: four stages Awake, REM, Light and Deep. Also Stress, Cycle tracking, Heart rate alert and Body composition sections.","nfc_payments":"Samsung Wallet and Samsung Pay: register cards to make payments. Region and phone restrictions apply.","offline_music":"Music app and Managing audio files saved on your Watch.","blood_pressure":"Samsung Health Monitor section: calibrate and measure blood pressure. The guide names a blood pressure manometer for calibration.","calls_on_watch":"Phone app: make and receive calls on the watch.","ecg":"Samsung Health Monitor section: Starting to measure ECG.","bioimpedance":"Samsung Health Body composition section.","charging_notes":"Wireless charging section: connect the wireless charger to the USB power adapter and place the watch on it. Use only the wireless charger supplied with the watch. Some third-party charging pads do not charge the watch with the band attached. No adapter rating is given.","charging_method":"Wireless charger section: the watch has a built-in wireless charging coil. Use the wireless charger supplied with the watch. It cannot be charged properly with some third-party pads when the band is attached."}},{"url":"https://www.sammobile.com/news/galaxy-watch-fe-bluetooth-sig/","kind":"press","accessed":"2026-10-13","fields":["bluetooth_version","model_numbers"],"notes":{"bluetooth_version":"Bluetooth SIG listing reported on 4 June 2024: Bluetooth 5.3.","model_numbers":"The listing names SM-R861, SM-R866F, SM-R866N and SM-R866U. SM-R866F is the international LTE model, SM-R866N is for South Korea and SM-R866U is for the US. SM-R866 is stored for the LTE family."}},{"url":"https://www.tomsguide.com/wellness/smartwatches/samsung-galaxy-watch-fe","kind":"press","accessed":"2026-10-13","fields":["launch_price_usd"],"notes":{"launch_price_usd":"Bluetooth model $199.99 from 24 June 2024. LTE model $249.99, arriving later in the year. Android Central reports the same prices. US prices exclude sales tax."}},{"url":"https://www.giga.de/news/samsung-lueftet-das-geheimnis-neue-galaxy-watch-ist-offiziell/","kind":"press","accessed":"2026-10-13","fields":["launch_price_eur","variants"],"notes":{"launch_price_eur":"Launch article of 14 June 2024: Bluetooth 219 EUR and Bluetooth + LTE 269 EUR. German consumer prices with VAT.","variants":"Two sold models: SM-R861 Bluetooth and SM-R866 LTE, one 40 mm case. The LTE model came to the US on 3 October 2024."}},{"url":"https://www.gsmarena.com/samsung_galaxy_watch_fe-13112.php","kind":"spec_database","accessed":"2026-10-13","fields":["os_at_launch","os_latest","speaker","band_compatibility","band_width_mm","cpu_clusters","gpu","process_node_nm"],"notes":{"os_at_launch":"Spec page: Wear OS 4. The Mezha review says Wear OS 4 with One UI 5 Watch.","os_latest":"Spec page: upgradable to Wear OS 6.0 with One UI Watch 8. A spec database claim. The date of access dates it.","speaker":"Spec page: loudspeaker yes.","band_compatibility":"Spec page: compatible with standard 20mm straps. The Mezha review also says any 20 mm strap fits.","band_width_mm":"Standard 20 mm straps.","cpu_clusters":"Spec page: dual-core 1.18 GHz Cortex-A55. Matches the Samsung release spec table of 1.18GHz dual core.","gpu":"Spec page: Mali-G68.","process_node_nm":"Spec page: Exynos W920 (5 nm)."}},{"url":"https://semiconductor.samsung.com/processor/wearable-processor/exynos-w920/","kind":"manufacturer_page","accessed":"2026-10-13","fields":["process_node_nm","cpu_core_count","cpu_clusters","gpu"],"notes":{"process_node_nm":"Exynos W920 is built on the 5nm EUV process.","cpu_core_count":"Dual-core Arm Cortex-A55 CPU.","cpu_clusters":"Dual-core Arm Cortex-A55 CPU running at up to 1.18GHz. The page says it is no longer available as of 31 July 2025.","gpu":"Arm Mali-G68 GPU."}},{"url":"https://droid-life.com/?p=301713","kind":"press","accessed":"2026-10-13","fields":["fcc_ids"],"notes":{"fcc_ids":"Droid Life article on the FCC filing: model SM-R861, FCC ID A3LSMR861, tested for Bluetooth and Wi-Fi only. The FCC ID for the LTE models is not found."}},{"url":"https://mezha.ua/en/reviews/galaxy-watch-fe-an-affordable-smartwatch-on-wear-os/","kind":"review_site","accessed":"2026-10-13","fields":["skin_temperature","battery_life_measured"],"notes":{"skin_temperature":"Review: the difference from older Samsung smartwatches is the absence of a temperature sensor. Samsung's complete sensor list has no temperature sensor. GSMArena lists skin temperature, which the maker list does not support.","battery_life_measured":"Review of the 40 mm model. About 27 hours with the always-on display on and regular heart rate tracking. 39 hours with the always-on display off and a 5 km GPS run added. The reviewer does not state the complete test protocol."}}],"fields_filled":88,"updated":"2026-10-13"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}