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Garmin Instinct 3 Solar Tactical vs Garmin Instinct Crossover Solar

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

Better figure, where one is clearly better

GarminInstinct 3 Solar TacticalGarminInstinct Crossover Solar
Overview
ReleasedApril 2025November 2022
Display
Case sizes45 mm or 50 mm45 mm
PanelMemory-in-pixelMemory-in-pixel
Always-on displayYesYes
Display detailMonochrome, sunlight-visible, transflective memory-in-pixel display with a separate circular window; always visible, five-button controls, no touchscreen. 45 mm: 23 x 23 mm (0.9 inch); 50 mm: 27 x 27 mm (1.1 inch); both 176 x 176 pixels.Monochrome sunlight-visible transflective memory-in-pixel display, 23 x 23 mm (0.9 x 0.9 inch), 176 x 176 pixels, with a central hole for the analogue hands. Five-button controls; no touchscreen. The hands move aside to show data; RevoDrive detects and recalibrates hand misalignment after an impact.
Screen protectionPower Glass solar-charging lensPower Glass solar-charging lens; Super-LumiNova-coated analogue hands and hour markers
Health and fitness
ECGNoNo
Blood oxygenYesYes
Skin temperatureNoNo
Sleep apnoea alertsNoNo
High blood pressure alertsNoNo
Body compositionNoNo
Fall detectionNoNo
Crash detectionNoNo
GPSDual-band (L1 and L5)Single-band
Water resistance100 m100 m
SensorsGarmin Elevate wrist heart rate; Pulse Ox; barometric altimeter; compass; gyroscope; accelerometer; thermometerGarmin Elevate wrist heart rate; Pulse Ox; barometric altimeter; compass; accelerometer; thermometer
Health featuresHRV status; Body Battery; sleep score, sleep coach and naps; breathing variations; stress and respiration tracking; continuous heart rate and abnormal heart-rate alerts; Health Snapshot; menstrual cycle and pregnancy tracking through Garmin Connect; Pulse Ox availability varies by country; no ECG appHRV status; Body Battery; advanced sleep monitoring and sleep score; stress and respiration tracking; continuous heart rate and abnormal heart-rate alerts; Health Snapshot; fitness age; menstrual cycle and pregnancy tracking through Garmin Connect. Pulse Ox availability varies by country.
Fitness featuresTraining readiness and status, load focus and load ratio; Garmin Coach and daily suggested running/cycling workouts; wrist running dynamics and power; PacePro; multisport and triathlon; strength training, hiking, cycling and pool/open-water swimming. Breadcrumb courses, TracBack, reference points, waypoints and off-course alerts; full maps in paired Garmin Explore app, not built into the watch. Tactical features include stealth mode, night-vision compatibility, dual-format coordinates, projected waypoints, Jumpmaster, Tactical activity and a stage timer. Rucking records pack weight. The preloaded Applied Ballistics solver requires a one-time paid unlock and works with the Applied Ballistics Quantum app.Training readiness, status, load and effect; recovery time; VO2 max; Garmin Coach and daily suggested running/cycling workouts; wrist running power. Running dynamics require a compatible accessory. Multisport/triathlon, pool and open-water swimming, cycling, hiking, climbing, strength training and golf. Breadcrumb courses, TracBack, reference points, projected waypoints and off-course alerts; no built-in topographic maps. The current web table lists Jumpmaster/Tactical activities, but the exact series owner guide and launch release restrict tactical functions to the separate Tactical Edition; those functions are not attributed to this Solar model.
Safety featuresBuilt-in white/green LED flashlight with strobe; incident detection during selected activities, assistance and LiveTrack require a paired compatible phoneIncident detection during selected activities, assistance and LiveTrack require a paired compatible phone. Screen flashlight; no physical LED flashlight.
Battery and connections
Battery life (maker's claim)Up to 40 daysUp to 28 days
In low-power modeUp to 100 daysUp to 71 days
Mobile data optionNoNo
Works withiPhone and AndroidiPhone and Android
Battery life detailHeadline claims use the 50 mm size without solar. 45 mm: smartwatch 28 days; battery saver 65 days; GPS only 40 hours, 130 with solar; all systems 28 hours, 50 with solar; all systems plus multi-band 24 hours, 40 with solar; max-battery GPS 100 hours; expedition GPS 36 days. 50 mm: smartwatch 40 days; battery saver 100 days; GPS only 60 hours, 260 with solar; all systems 40 hours, 80 with solar; all systems plus multi-band 34 hours, 60 with solar; max-battery GPS 150 hours; expedition GPS 60 days. Garmin claims unlimited smartwatch, battery-saver, max-battery GPS and expedition use with sufficient solar: everyday modes assume all-day wear and three hours outside daily at 50,000 lux; GPS modes assume use in 50,000 lux. Multi-band figures assume typical SatIQ use. Actual endurance varies with settings, activities and sunlight.Smartwatch: up to 28 days, or 70 days with solar; battery saver watch mode: 71 days, or unlimited with solar; GPS: 25 hours, or 31 with solar; max-battery GPS: 111 hours, or 553 with solar; expedition GPS: 40 days, or 327 with solar. Daily-mode solar claims assume all-day wear with 3 hours per day outdoors at 50,000 lux; GPS-mode solar claims assume use in 50,000-lux conditions. Actual endurance depends on settings, activities, sensors and notifications.
ChargingBuilt-in rechargeable lithium-ion battery; proprietary Garmin charging/data cable, USB-C at the power-source end. Owner guide specifies at least 5 W from a computer or compatible AC adaptor. Solar charging is limited when the battery is full, externally powered or outside its charging temperature range.Built-in rechargeable lithium-ion battery; proprietary Garmin charging/data cable connects to a USB charging port. Power Glass provides supplementary solar charging; the watch does not solar-charge while connected to external power or when its battery is full.
ConnectivityBluetooth and ANT+; GPS, GLONASS and Galileo; multi-band GNSS with SatIQ; Garmin Pay and Garmin Share. Controls paired-phone music rather than storing offline audio; smart notifications and Garmin Messenger require a paired compatible phone. Stealth mode disables wireless communications and prevents GPS position storage/sharing; the kill switch erases user data. Night-vision mode adjusts the display and disables wrist heart rate.Bluetooth and ANT+; GPS, GLONASS and Galileo. Garmin Pay; paired-phone music controls and smart notifications; Android text replies. No offline music playback, cellular connectivity or multi-band GNSS.
Storage128 MB; no offline music storage64 MB; paired-phone music controls rather than offline audio storage
Design
Weight (lightest version)52 g65 g
SoftwareGarminGarmin
Case materialsFibre-reinforced polymer case; polymer/aluminium bezel; silicone band; maker states MIL-STD-810 thermal and shock testingFibre-reinforced polymer case; fibre-reinforced polymer/stainless steel bezel; silicone band. Maker states MIL-STD-810 thermal and shock testing.
Size45 mm: 45 x 45 x 14.9 mm, 52 g. 50 mm: 50 x 50 x 14.4 mm, 58 g. Maker does not identify these as case-only weights.45 x 45 x 16.2 mm; 65 g. Maker does not identify this as a case-only weight.
Bands45 mm: 22 mm band, compatible with QuickFit 22, fits 137–204 mm wrists. 50 mm: 26 mm band, compatible with QuickFit 26, fits 141–213 mm wrists.22 mm silicone band; compatible with QuickFit 22; fits 135–230 mm wrists.
ColoursBoth current UK sizes are Black with Black Band. Exact UK parts: 45 mm 010-02934-50; 50 mm 010-02935-50. The separately sold 50 mm AMOLED Tactical has different display hardware and battery claims.Current UK Solar finishes: Graphite (010-02730-01) and Tidal Blue (010-02730-02). Non-solar Standard, Solar Tactical and later AMOLED hardware are separate models.
In the boxInstinct 3 Solar watch with silicone band; charging/data cable; documentationInstinct Crossover Solar smartwatch; charging/data cable; documentation

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