{"data":{"slug":"huawei-watch-fit-4","type":"smartwatch","brand":"Huawei","name":"Watch Fit 4","aliases":["HUAWEI WATCH FIT 4","Watch FIT 4","SYA-B19"],"release_date":"2025-05","url":"https://arkivo.dev/smartwatches/huawei-watch-fit-4","specs":{"series":"HUAWEI WATCH FIT 4 Series","model_numbers":["SYA-B19","80440113010008601","80440113010008602","80440113010008603","80440113010008604"],"gtins":["6942103155000","6942103155031","6942103155024","6942103155017"],"announce_date":"2025-05-15","status":"available","predecessor":null,"successor":"huawei-watch-fit-5","launch_price_usd":null,"launch_price_eur":169,"markets":null,"colors":["Black","Grey","White","Purple","Pink"],"manufacturer_url":"https://consumer.huawei.com/en/wearables/watch-fit4/","spec_sheet_url":"https://consumer.huawei.com/en/wearables/watch-fit4/specs/","manual_url":null,"eprel_registration_number":null,"warranty_years":null,"segment":"smartwatch","os_updates_years":null,"security_updates_until":"2027-05-03","case_sizes_mm":[43],"case_shape":"rectangular","case_material":"aluminium","case_material_name":"Aluminum alloy","back_material":null,"case_dimensions_mm":{"height_mm":43,"width_mm":38,"thickness_mm":9.5},"weight_g":27,"weight_with_strap_g":null,"water_resistance_atm":5,"water_resistance_standard":"ISO 22810:2010","ip_rating":null,"dive_rating":null,"dive_max_depth_m":null,"mil_std_810":null,"mil_std_810_tests":null,"operating_temperature_c":{"min_c":-20,"max_c":45},"display_technology":"oled","display_technology_name":"AMOLED","screen_size_in":1.82,"resolution":{"width_px":408,"height_px":480},"pixel_density_ppi":347,"display_area_mm2":null,"touchscreen":true,"refresh_rate_max_hz":null,"refresh_rate_min_hz":null,"brightness_peak_nits":2000,"brightness_min_nits":null,"always_on_display":true,"display_cover_material":"other_glass","display_cover":"Glass","platform":"harmonyos","os_at_launch":null,"os_skin":null,"os_latest":null,"compatible_phone_os":["android","ios"],"phone_os_requirement":"Android 8.0 or later, or iOS 13.0 or later, with the Huawei Health app","third_party_apps":true,"voice_assistants":null,"chipset":null,"process_node_nm":null,"cpu_core_count":null,"cpu_clusters":null,"cpu_max_ghz":null,"gpu":null,"low_power_coprocessor":null,"ram_gb":null,"storage_gb":null,"heart_rate_sensor":"Optical heart rate sensor","ecg":false,"spo2":true,"skin_temperature":false,"blood_pressure":null,"bioimpedance":null,"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":["continuous_heart_rate","irregular_rhythm_notifications","blood_oxygen_app","hrv","sleep_tracking","sleep_stages","stress_tracking","cycle_tracking"],"fitness_features":["running_dynamics","pool_swim","open_water_swim","route_navigation","trackback"],"sport_profiles_count":null,"dive_modes":null,"external_sensor_types":["heart_rate_strap","power_meter"],"fall_detection":null,"crash_detection":null,"emergency_sos":null,"emergency_siren_db":null,"live_tracking":null,"led_flashlight":null,"positioning":["GPS (L1 + L5)","GLONASS (L1)","Galileo (L1 + L5)","BeiDou (L1 + L5)","QZSS (L1 + L5)"],"dual_frequency_gnss":true,"offline_maps":true,"bluetooth":true,"bluetooth_version":"5.2","wifi":false,"wifi_standard":null,"wifi_bands":null,"cellular":false,"network_technologies":null,"bands_4g":null,"bands_5g":null,"nfc":true,"nfc_payments":null,"payment_services":null,"uwb":null,"satellite_connectivity":null,"ant_plus":null,"speaker":true,"microphone_count":null,"calls_on_watch":"phone_only","offline_music":true,"button_count":1,"hardware_buttons":["Side button"],"crown":"rotating","rotating_bezel":null,"gesture_controls":null,"battery_capacity_mah":400,"battery_life_claimed":[{"mode":"light_use","with_solar":false,"hours":240},{"mode":"smartwatch","with_solar":false,"hours":168},{"mode":"always_on","with_solar":false,"hours":96}],"battery_life_smartwatch_claimed_h":168,"battery_life_always_on_claimed_h":96,"battery_life_gps_claimed_h":null,"solar_charging":null,"charging_method":"proprietary_wireless","charging_notes":"Charger voltage and current requirement 5 V-9 V DC / 2 A. Huawei's 75-minute full charge was tested at 25 C with a 9 V / 2 A Huawei adapter and the bundled second-generation wireless SuperCharger. The wall adapter is separate.","charging_max_w":5,"fast_charging":true,"quick_charge":null,"charge_time_0_80_min":null,"charge_time_0_100_min":75,"measured_brightness_nits":null,"measured_battery_active_use_h":null,"battery_life_measured":null,"measured_charge_time_min":null,"band_width_mm":null,"quick_release":null,"band_compatibility":null,"band_material":"fluoroelastomer","band_name":"Black Fluoroelastomer Strap","band_sizes":[{"size_label":"Black fluoroelastomer strap","wrist_min_mm":130,"wrist_max_mm":210}],"fcc_ids":null,"sar_limb_w_kg":null,"sar_eu_limb_w_kg":null,"other_certifications":null,"in_the_box":["Watch","Charging cradle with charging cable","Quick Start Guide, Safety Information and Warranty Card"],"charger_in_box":false},"variants":[{"model_number":"80440113010008601","gtin":"6942103155000","colors":["Black"],"nfc":false,"band_material":"fluoroelastomer","band_name":"Black Fluoroelastomer Strap","band_sizes":[{"size_label":"Black fluoroelastomer strap","wrist_min_mm":130,"wrist_max_mm":210}]},{"model_number":"80440113010008602","gtin":"6942103155031","colors":["Grey"],"nfc":true,"band_material":"nylon","band_name":"Grey Nylon Strap","band_sizes":[{"size_label":"Grey nylon strap","wrist_min_mm":130,"wrist_max_mm":210}]},{"model_number":"80440113010008603","gtin":"6942103155024","colors":["White"],"nfc":false,"band_material":"fluoroelastomer","band_name":"White Fluoroelastomer Strap","band_sizes":[{"size_label":"White fluoroelastomer strap","wrist_min_mm":130,"wrist_max_mm":210}]},{"model_number":"80440113010008604","gtin":"6942103155017","colors":["Purple"],"nfc":false,"band_material":"fluoroelastomer","band_name":"Purple Fluoroelastomer Strap","band_sizes":[{"size_label":"Purple fluoroelastomer strap","wrist_min_mm":120,"wrist_max_mm":190}]}],"sources":[{"url":"https://consumer.huawei.com/en/wearables/watch-fit4/specs/","kind":"manufacturer_page","accessed":"2026-10-23","fields":["spec_sheet_url","colors","case_dimensions_mm","weight_g","case_material","case_material_name","water_resistance_atm","water_resistance_standard","operating_temperature_c","display_technology","display_technology_name","screen_size_in","resolution","pixel_density_ppi","brightness_peak_nits","accelerometer","gyroscope","compass","ambient_light_sensor","barometer","heart_rate_sensor","button_count","crown","hardware_buttons","phone_os_requirement","compatible_phone_os","bluetooth","bluetooth_version","positioning","speaker","charging_method","charging_notes","charge_time_0_100_min","in_the_box","charger_in_box","band_material","band_name","band_sizes","nfc"],"notes":{"spec_sheet_url":"Global Huawei WATCH FIT 4 specification page. It lists Pink, Grey, White, Purple and Black. The UK store sells Purple, Grey, White and Black. Base case and strap describe the Black fluoroelastomer version.","colors":"Specs page: Pink, Grey, White, Purple, Black. The UK specs page and store list four colours without Pink. The Pink SKU is not found, so no variant row exists for it.","case_dimensions_mm":"43.0 x 38.0 x 9.5 mm. Footnote: 9.5 mm is the thickness of the watch, excluding the sensor area.","weight_g":"Approximately 27 g without the strap. Footnote: theoretical values, actual units vary.","case_material":"Watch Case, Material: Aluminum alloy.","case_material_name":"Watch Case Material, as printed.","water_resistance_atm":"5 ATM water-resistant, a static 50 m pressure rating. It is not a safe diving depth. The page excludes free dives and scuba.","water_resistance_standard":"Footnote: complies with the 5 ATM rating under ISO 22810:2010.","operating_temperature_c":"Environment Temperature: -20 C to +45 C. On-wrist limits are not separated.","display_technology":"Maker states 1.82 inch AMOLED. No LTPO is stated.","display_technology_name":"1.82 inch AMOLED.","screen_size_in":"1.82 inch, as printed.","resolution":"Maker prints 480 x 408 pixels. Stored as 408 across and 480 high in upright portrait orientation, which fits the 43.0 x 38.0 mm case.","pixel_density_ppi":"Maker prints PPI 347.","brightness_peak_nits":"2000-nit peak brightness. Footnote: Huawei labs data, varies with lighting and content. No reviewer measurement is substituted.","accelerometer":"Sensors list.","gyroscope":"Sensors list.","compass":"Sensors list names a magnetometer, stored as an electronic compass.","ambient_light_sensor":"Sensors list.","barometer":"Sensors list: Barometer sensor.","heart_rate_sensor":"Sensors list names an Optical heart rate sensor. No sensor generation is inferred.","button_count":"Button row: Home Button (Rotating Crown) and Side Button. The crown is counted only in Crown.","crown":"The Home Button is a rotating crown.","hardware_buttons":"The Side Button of the Button row.","phone_os_requirement":"System Requirements: Android 8.0 or later, iOS 13.0 or later. The feature page footnote requires the Huawei Health app.","compatible_phone_os":"System Requirements: Android and iOS.","bluetooth":"Connectivity: 2.4 GHz, supports BT5.2 and BR + BLE.","bluetooth_version":"Connectivity: BT5.2.","positioning":"GNSS row. L1: GPS, GLONASS, GALILEO, BDS, QZSS. L5: GPS, GALILEO, BDS, QZSS.","speaker":"Speaker: Supported. No speaker power is published.","charging_method":"Charging Port: Wireless charging with the cradle supplied in the box. The FAQ names the second-generation HUAWEI WATCH Wireless SuperCharger, which is not a Qi charger by name. No magnetic puck is stated for this model.","charging_notes":"Charging: charger voltage and current requirement 5V-9V DC/2A. Test conditions from the feature page footnote.","charge_time_0_100_min":"Feature page and FAQ: 75 minutes to charge to capacity, Huawei lab test at 25 C. Not a reviewer measurement.","in_the_box":"Watch x 1, Charging Cradle (including the charging cable) x 1, Quick Start Guide and Safety Information and Warranty Card x 1.","charger_in_box":"The list has no wall power adapter.","band_material":"Watch Strap list: Pink, White, Purple and Black fluoroelastomer, and Grey Nylon. Base is the Black fluoroelastomer strap.","band_name":"Strap list names the Black Fluoroelastomer Strap.","band_sizes":"Wrist Size: Grey, White and Black 130-210 mm. Pink and Purple 120-190 mm. Overall watch ranges, strap-specific ranges are not separated.","nfc":"Connectivity: NFC supported, footnote: only the Grey version supported. Base is true because an NFC edition is sold. Each variant states its own value."}},{"url":"https://consumer.huawei.com/en/wearables/watch-fit4/","kind":"manufacturer_page","accessed":"2026-10-23","fields":["manufacturer_url","series","segment","always_on_display","battery_life_claimed","fast_charging","health_features","fitness_features","external_sensor_types","offline_maps","spo2","touchscreen","calls_on_watch","dual_frequency_gnss"],"notes":{"manufacturer_url":"Global Huawei WATCH FIT 4 feature page.","series":"Footnotes and store pages group it with the WATCH FIT 4 Pro as the HUAWEI WATCH FIT 4 Series.","segment":"Huawei sells it as a fashionable fitness smartwatch with 100+ workout modes.","always_on_display":"Battery footnotes describe a 4 day claim with AOD enabled.","battery_life_claimed":"Upper-bound maker claims: 10 days maximum (240 h), 7 days typical (168 h) and 4 days with AOD (96 h). Maximum: default settings, 30 min of calls and 30 min of music a week, heart rate always on, TruSleep at night, 90 min of exercise a week, 50 messages, 6 calls and 3 alarms a day, 200 screen wakes a day. Typical: the same plus stress monitoring, pulse wave arrhythmia analysis and sleep breathing awareness, 180 min of exercise a week and 30 min of screen-on time a day. AOD: the typical settings with AOD enabled. No GPS claim is published.","fast_charging":"Feature page: a full day of power after 10 minutes of charging with the second-generation wireless SuperCharger. The UK FAQ speaks of Huawei's wireless fast-charging protocols. The workload for the 10 minute claim is not stated, so it is not stored as a quick-charge value.","health_features":"Pulse wave arrhythmia analysis for A-fib and premature beat risk, heart rate and SpO2, average sleep HRV with abnormal breathing alerts, stress in the Health Insights app, and a cycle calendar with period reminders and fertile window predictions. Arrhythmia analysis and cycle features have market limits. Sleep breathing alerts are not stored as sleep apnea notifications, since the maker says it is not a medical device.","fitness_features":"Running form analysis gives ground contact time balance and vertical oscillation. Offline colour map route tracking with downloaded or imported routes. The 100+ workout modes are not an exact count. Golf course maps are not listed for this model.","external_sensor_types":"Footnote: connects to a power meter that supports the standard Bluetooth protocol, but not to certain dual-sided power meters.","offline_maps":"Footnote: download an offline map in the Huawei Health app, start an outdoor workout and enable GPS. Imported routes work offline.","spo2":"Heart Rate and SpO2 at a Glance: readings by the multi-channel module. Sleep health tracking also reports breathing.","touchscreen":"Custom sticker watch faces are tapped to edit, and the watch is operated by swiping.","calls_on_watch":"Bluetooth Calling once the device is connected via Bluetooth. Footnote: only when the watch is connected to a phone through the Huawei Health app.","dual_frequency_gnss":"The UK FAQ names a Five-System Dual-Band HUAWEI Sunflower Positioning System."}},{"url":"https://consumer.huawei.com/uk/wearables/watch-fit4/specs/","kind":"manufacturer_page","accessed":"2026-10-23","fields":["security_updates_until"],"notes":{"security_updates_until":"UK specs page, Defined Support Period 2027.05.03. This is a support date for security updates, not an OS-upgrade promise."}},{"url":"https://consumer.huawei.com/uk/wearables/watch-fit4/buy/","kind":"manufacturer_page","accessed":"2026-10-23","fields":["model_numbers","gtins","variants","status","case_material","fitness_features","offline_music"],"notes":{"model_numbers":"UK store lists four WATCH FIT 4 SKUs: 80440113010008601 to 80440113010008604. The WATCH FIT 4 Pro SKUs 80440113010008605 to 607 are excluded. Huawei support names the model SYA-B19.","gtins":"Maker JSON-LD offers carry these GTINs.","variants":"SKU to colour pairing follows the maker's product images: 601 Black fluoroelastomer, 602 Grey nylon with the NFC edition, 603 White fluoroelastomer, 604 Purple fluoroelastomer. Weight, case and sensors are the same.","status":"All four SKUs show InStock on the UK store.","case_material":"UK FAQ 2: the watch case is made of aluminum alloy.","fitness_features":"UK FAQ 5: supports pool and open water swimming. FAQ 7: barometer, five-system dual-band positioning, 100+ workout modes.","offline_music":"The maker battery tests include 30 minutes of music playback a week. Tech Advisor says the speaker plays music out loud."}},{"url":"https://consumer.huawei.com/en/support/wearables/watch-fit4/","kind":"manufacturer_page","accessed":"2026-10-23","fields":["model_numbers"],"notes":{"model_numbers":"Global support lists WATCH FIT 4 (SYA-B19) with the Fluoroelastomer Strap and the Grey Nylon Strap."}},{"url":"https://www.gsmarena.com/huawei_watch_fit_4-14113.php","kind":"spec_database","accessed":"2026-10-23","fields":["announce_date","release_date","cellular","wifi","battery_capacity_mah","charging_max_w","model_numbers"],"notes":{"announce_date":"Announced 2025, May 15. Released 2025, May 26.","release_date":"Status: available, released 2025 May 26 (the first sale). The German launch article dated 18 May 2025 says the watches are officially available then.","cellular":"No cellular connectivity.","wifi":"Comms: WLAN No.","battery_capacity_mah":"Battery Li-Ion 400 mAh. The maker publishes no capacity. GSMArena's Fit 4 Pro review states the same 400 mAh battery in both models.","charging_max_w":"Charging: 5W wireless. A spec database figure. The maker prints only the 5-9 V and 2 A input requirement.","model_numbers":"Models: SYA-B19."}},{"url":"https://www.techadvisor.com/article/2915537/huawei-watch-fit-4-review.html","kind":"review_site","accessed":"2026-10-23","fields":["case_sizes_mm","case_shape","ecg","skin_temperature","display_cover_material","display_cover","third_party_apps","platform","health_features","external_sensor_types","always_on_display","fitness_features","nfc","offline_music","charge_time_0_100_min"],"notes":{"case_sizes_mm":"Review: a compact square case in a single 43mm size.","case_shape":"Review: a compact square case, softer curves. The 43.0 x 38.0 mm dimensions give rectangular.","ecg":"Review: the Fit 4 misses out on the Fit 4 Pro's ECG sensor.","skin_temperature":"The maker's sensor list has no temperature sensor. mydealz says the Pro adds skin temperature.","display_cover_material":"Review: no sapphire glass on the Fit 4. GSMArena lists a glass front.","display_cover":"GSMArena Build: glass front.","third_party_apps":"Review: a lighter version of the AppGallery app store with a modest number of apps.","platform":"Review: it still runs Huawei's HarmonyOS.","health_features":"Review: tracks heart rate variability for stress insights, and records REM sleep stages and heart rate during sleep in line with other trackers.","external_sensor_types":"Review: external heart rate sensors can be paired. The maker names the power meter.","always_on_display":"Review: the AMOLED panel can be kept on 24/7.","fitness_features":"Review: supported sport modes offer a useful route back mode, stored as trackback.","nfc":"Review: NFC for contactless payments on the grey version only, not in all countries.","offline_music":"Review: the speaker handles calls and music out loud, and the music player is missing on iOS.","charge_time_0_100_min":"Review repeats Huawei's 75 minutes from flat. Not an independent measurement."}},{"url":"https://www.mydealz.de/magazin/huawei-watch-fit-4-watch-fit-4-pro-starkes-launch-angebot-mit-bundle-upgrade-fuer-unter-300-euro-32041","kind":"press","accessed":"2026-10-23","fields":["launch_price_eur"],"notes":{"launch_price_eur":"German launch article dated 18 May 2025: UVP 169 EUR for the Fit 4 in Germany. Tax treatment is not stated and a German UVP includes VAT. Launch bundles are not stored. The Fit 4 Pro is 279 EUR."}},{"url":"https://www.fonearena.com/blog/480525/huawei-watch-fit-5-watch-fit-5-pro-price-features.html/amp","kind":"press","accessed":"2026-10-23","fields":["successor"],"notes":{"successor":"Fonearena's launch report calls the Huawei Watch Fit 5 series the successor to last year's Fit 4 series."}}],"fields_filled":75,"updated":"2026-10-23"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}