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Garmin Approach J1 vs Garmin Approach S50

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

GarminApproach J1GarminApproach S50
Overview
ReleasedJanuary 2026January 2025
Display
Case sizes43 mm43 mm
PanelOLEDOLED
Always-on displayYesYes
Display detail1.2-inch AMOLED colour touchscreen, 390 × 390 pixels; optional always-on mode and two physical buttons. Brightness and refresh rate are not published.30.4 mm (1.2 inch) AMOLED touchscreen, 390 x 390 pixels; optional always-on display, ambient-light sensor and large-font option. Two physical buttons.
Screen protectionChemically strengthened glass.Corning Gorilla Glass 3 lens.
Health and fitness
ECGNoNo
Blood oxygenNoYes
Skin temperatureNoNo
Sleep apnoea alertsNoNo
High blood pressure alertsNoNo
Body compositionNoNo
Fall detectionNoNo
Crash detectionNoNo
GPSSingle-bandSingle-band
Water resistance50 m50 m
SensorsGPS, GLONASS and Galileo positioning, compass, gyroscope, accelerometer and ambient-light sensor. All Systems mode combines satellite systems; multi-frequency reception is not specified.GPS, GLONASS and Galileo; Garmin Elevate wrist heart rate, Pulse Ox, compass, gyroscope, accelerometer and ambient-light sensor. No multi-band positioning is listed; maker does not number the heart-rate sensor generation. External tempe accessory supplies ambient temperature.
Health featuresDaily step counting and automatic step goals. No wrist heart-rate or blood-oxygen sensor; no ECG, sleep-apnoea or skin-temperature measurement.Continuous heart rate, high/low alerts, respiration, Body Battery, stress, advanced sleep score/coach, nap detection, HRV status, Health Snapshot and fitness age. Pulse Ox spot checks and optional sleep monitoring. Hydration and menstrual-cycle/pregnancy features use Garmin Connect and an optional Connect IQ widget; these are wellness features, not medical diagnosis.
Fitness featuresMore than 43,000 preloaded golf courses, forward-tee guidance, adjustable personal par, pace-of-play timer and club suggestions. Front/middle/back yardages, hazards and layups, Green View with movable pin, digital scorecard, stroke/putt/fairway statistics, handicap scoring and AutoShot distance recording. Automatic shot detection does not record putts and may miss chips. Walking, running, cycling and pool-swimming profiles, GPS pace/distance, cadence, Auto Lap, Auto Pause and Move IQ. The exact German datasheet marks CT1 and CT10 incompatible; the owner’s guide nevertheless mentions paired Approach sensors in generic shot-detection instructions. Compatibility is unresolved and not claimed.Over 43,000 preloaded golf courses; front/middle/back green distances, hazards and layups, green view with manual pin position, PinPointer and elevation-adjusted PlaysLike distances. Digital scorecard, handicap/Stableford scoring, statistics and custom targets. AutoShot detects fairway shots automatically without club sensors; putts are not detected. Optional CT1 tags require tapping the watch; CT10 sensors add automatic club tracking. Compatible Z30 laser range finder shares measured distances. Enhanced CourseView vector maps, touch targeting and green contours need paid Garmin Golf membership; base yardages and PlaysLike do not. Tournament mode disables non-permitted features. Running, cycling, pool swimming, strength, HIIT, yoga, Pilates and other sport profiles; workouts, animated exercises, VO2 max and recovery time. Current web table lists open-water metrics, but the exact activity list and owner guide document pool swimming only; do not treat that generic row as an established open-water profile.
Safety featuresPairing and account management may require a parent or guardian depending on the child’s age and region. Incident detection and emergency calls are not published.Incident detection during supported activities, assistance and LiveTrack require a paired compatible phone and available network; not standalone emergency communication.
Battery and connections
Battery life (maker's claim)Up to 10 daysUp to 10 days
Mobile data optionNoNo
Works withiPhone and AndroidiPhone and Android
Storage4 GB4 GB
Battery life detailUp to 10 days in watch mode with gesture wake-up; up to 15 hours in GPS mode with always-on display during golf. The March 2026 owner’s guide labels the 15-hour claim All satellite systems mode. A Battery Saver setting exists but no separate runtime is published.Up to 10 days in smartwatch mode and 15 hours in GPS mode. Maker web conditions use gesture wake in smartwatch mode and always-on while golfing; October 2025 owner guide labels the 15-hour figure all-satellite mode. Actual life depends on sensors, notifications and other features. Battery saver is available but no separate duration is published.
ChargingGarmin proprietary plug charging/data cable; USB media-transfer and Garmin modes are documented. Rechargeable lithium-ion battery; operating/storage -20 to 60°C and charging 0 to 45°C. Capacity, charging power and charge time are not published.Built-in rechargeable lithium-ion battery; Garmin proprietary charging/data connector and supplied cable connected to a USB charging port.
ConnectivityBluetooth LE; pairs through Garmin Golf with compatible iPhone or Android phones. Golf data and fitness activities sync to Garmin Golf/Garmin Connect; Garmin Express provides computer software and course updates. No cellular connectivity, Wi-Fi or Garmin Pay is listed.Bluetooth, ANT+ and Wi-Fi; Garmin Golf, Garmin Connect, Garmin Express and Connect IQ. Garmin Pay with supported banks; downloaded personal music and supported Spotify/Amazon Music/Deezer services may need subscriptions and Bluetooth headphones. Phone notifications; Android-only text replies and notification images. No cellular configuration.
Storage4 GB memory/history.–
Design
Weight (lightest version)29 g29 g
SoftwareGarminGarmin
Case materialsFibre-reinforced polymer case, anodised aluminium bezel, plastic buttons and elastic nylon fabric hook-and-loop ComfortFit band.Anodised aluminium bezel, Gorilla Glass 3 lens and ComfortFit nylon band with hook-and-loop fastening; Black/Slate and Ivory/Cream Gold finishes.
Size43 × 43 × 11.4 mm; 29 g; fits wrists 115–195 mm.Current UK table: 43 x 43 x 11.4 mm, 29 g. Ivory S/M nylon band fits 127–190 mm wrists; Black M/L fits 145–217 mm. 20 mm quick-release attachment. UK web table calls it industry standard, while October 2025 owner guide says not compatible with third-party bands; retain that compatibility conflict. Japanese launch table gives 12.5 mm thickness, so UK dimensions are used here without treating the regional discrepancy as another model.
Water resistance detail5 ATM: pressure equivalent to 50 m, not a diving-depth claim. Pool-swimming activity is supported; the touchscreen is unavailable during swims.–
Reference and release detailAvailable now in the US and Germany on 20 January 2026; the first UK shipping day was not established. Current UK security updates are promised until at least 20 January 2028, which is not an end-of-support announcement. No direct predecessor is claimed.Garmin US announcement on 21 January 2025 states available now; this establishes earliest documented on-sale date. Japanese release was 30 January 2025. UK first shipping day is not independently established. S44 is a co-launched lower-feature model, not an evidenced predecessor.
Bands20 mm quick-release ComfortFit fabric band. Current UK/US tables describe industry-standard bands; the March 2026 owner’s guide says the watch is not compatible with third-party bands. This conflict remains unresolved; use exact Approach J1 replacement bands.–
ColoursCloud blue aluminium bezel with black/azure ComfortFit band (010-03898-00); silver aluminium bezel with lilac ComfortFit band (010-03898-10). Both are sellable in the current UK catalogue. The launch calls the second bezel lilac, while current product naming says silver.–
In the boxApproach J1 junior GPS golf watch with fabric band, charging/data cable and documentation.–

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