GARMIN Forerunner 70, Black Size:STD tablet or computer retail link 29 08 2021 tablet or computer the TNF Kid's B Box Exploration Ss Tee delivers all day wearability 9 mm Weight 40 g Fits Wrist Sizes 126–203 mm Water Rating 5 ATM Quick Release Bands 20 mm (industry standard) Battery Type Rechargeable lithium ion Battery Life (Smartwatch) Up to 13 days (5 days with always on display) Battery Saver Mode Up to 28 days Battery Life (GPS Only) Up to 23 hours Battery Life (All Systems GNSS) Up to 16 hours Charging Method Garmin proprietary plug charger Internal Memory 512 MB GPS Time Sync Yes Automatic Daylight Saving Yes Alarm Clock Yes Smart Wake Alarm Yes Timer Yes Stopwatch Yes Sunrise Sunset Times Yes Wrist Based Heart Rate Yes Resting Heart Rate Yes Pulse Ox Yes (spot check and optional all day sleep tracking) Sleep Score & Insights Yes Training Readiness Yes Training Status Yes 4 mm) diameter Display Resolution 390 × 390 pixels Touchscreen Yes Color Display Yes Lens Material Chemically strengthened glass Bezel Material Fiber reinforced polymer Strap Material Silicone Watch Size 42