LENS MATERIAL Corning Gorilla Glass 3 BEZEL MATERIAL fiber-reinforced polymer QUICK RELEASE BANDS yes (22 mm, Industry standard) STRAP MATERIAL silicone PHYSICAL SIZE 45.6 x 45.6 x 12.9 (mm) Fits wrists with a circumference of 130-205 mm COLOR DISPLAY DISPLAY SIZE 1.3" (33 mm) diameter DISPLAY RESOLUTION 260 x 260 pixels DISPLAY TYPE sunlight-visible, transflective memory-in-pixel (MIP) WEIGHT 49 g BATTERY LIFE Smartwatch mode: Up to 14 days GPS-Only GNSS mode: Up to 30 hours All-Systems GNSS mode: Up to 25 hours All-Systems GNSS mode plus Multi-Band: Up to 16 hours See Details WATER RATING 5 ATM MEMORY/HISTORY 4 GB.