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Garmin Approach J1 vs Garmin Approach S44

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

Better figure, where one is clearly better

GarminApproach J1GarminApproach S44
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 oxygenNoNo
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; compass, gyroscope, accelerometer and ambient-light sensor. No multi-band positioning or wrist heart-rate sensor. Do not infer a heart-rate sensor from generic heart-rate alert wording in the cycling table.
Health featuresDaily step counting and automatic step goals. No wrist heart-rate or blood-oxygen sensor; no ECG, sleep-apnoea or skin-temperature measurement.Step counting, move alerts, automatic daily step goal, calories, distance and intensity minutes. No wrist heart rate, Pulse Ox, sleep/stress monitoring or Body Battery; these belong to the S50. The current maker table and October 2025 guide document activity tracking beyond the step-only description in an April 2025 review.
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, layups/doglegs, Green View with manual pin position, PinPointer, digital scorecard, handicap scoring, statistics, Swing Tempo and custom targets. AutoShot detects shots and measures distance without tags; it does not detect putts, and some chips may be missed. Club Prompt records the selected club. Optional CT1 tags require tapping the watch before each shot; CT10 sensors add automatic club tracking, and the Z30 laser range finder shares measured distances. Full vector CourseView maps, touch targeting, green contours and elevation-adjusted PlaysLike distances require Garmin Golf membership. Tournament mode disables non-permitted features. Current UK activity profiles include running, indoor track running, biking, indoor biking and golf. The exact owner guide additionally documents pool swimming; the current web profile list omits it. No open-water swimming claim.
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 in supported outdoor activities and assistance require Garmin Connect, a paired compatible phone with data service and network coverage. They message emergency contacts; they are 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.Built-in rechargeable lithium-ion battery. Up to 10 days in smartwatch mode with gesture wake-up, or 15 hours in GPS mode with always-on display while golfing. October 2025 owner guide describes the 15-hour claim as all-satellite-systems typical use. Actual life varies with settings and notifications.
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.Garmin proprietary four-contact plug to USB-C charging/data cable. Owner guide specifies operating/storage -20 to 60°C and charging 0 to 45°C. Battery capacity, fast-charge wattage and charge duration are not published.
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 LE with iPhone and Android; Garmin Golf and Garmin Connect. Phone notifications, calendar, weather, find-phone/find-watch and smartphone music controls. Text response, rejecting calls by text and notification images are Android-only. No standalone cellular connection, Wi-Fi, downloaded music or Garmin Pay. The manual’s 13.56 MHz radio entry and CT1 tap function do not establish payment support.
Storage4 GB memory/history.4 GB for preloaded golf/course data and activity history; no offline music storage capability.
Design
Weight (lightest version)29 g42 g
SoftwareGarminGarmin
Case materialsFibre-reinforced polymer case, anodised aluminium bezel, plastic buttons and elastic nylon fabric hook-and-loop ComfortFit band.Anodised aluminium bezel and fibre-reinforced polymer case; silicone band. Swiss exact-model datasheet labels the buttons as plastic.
Size43 × 43 × 11.4 mm; 29 g; fits wrists 115–195 mm.43 x 43 x 11.4 mm; 42 g including the silicone band. Fits wrists 125–202 mm.
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.5 ATM, pressure equivalent to 50 m; this is not a dive-depth rating. Do not press buttons under water.
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.Available now in Garmin’s US and German 21 January 2025 announcements; exact UK first shipping day was not specified. Current UK standalone and CT1-bundle SKUs are sellable. No explicit maker predecessor relationship found.
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.20 mm industry-standard quick-release bands; not QuickFit.
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.Silver aluminium bezel with Black or Twilight silicone band; Black also sold with 16 CT1 club tags.
In the boxApproach J1 junior GPS golf watch with fabric band, charging/data cable and documentation.Approach S44, USB-C charging/data cable and documentation. Black CT1 bundle additionally includes 16 club tags; the tags are not included with the standalone watches.

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