Garmin Smartwatch Instinct E Rugged 45mm Black

Sleep score and insights: YES
Battery life (smartwatch mode): Up to 16 days
Daily suggested workouts: YES
Pulse Ox blood oxygen: YES
Display type: Monochrome, sunlight-visible, transflective memory-in-pixel (MIP)
Water rating: 10 ATM
General
Strap material: silicone
Lens material: Chemically Strengthened Glass
Bezel material: fiber-reinforced polymer
Case material: fiber-reinforced polymer
QuickFit® watch band compatible: YES (22 mm)
Physical size: 45 x 45 x 14.2 mm
Fits wrists with a circumference of 132-213 mm
Weight: 48 g
Display size: custom, two-window design; 0.9” x 0.9” (23 x 23 mm)
Display resolution: 176 x 176 pixels
Battery type: Lithium ion
Battery life:
Smartwatch: Up to 16 days
Battery Saver Watch Mode: Up to 40 days
GPS: Up to 24 hours
All Satellite Systems: 16 hours
Max Battery GPS Mode: Up to 50 hours
Expedition GPS Activity: Up to 20 days
Charging method: Garmin proprietary plug charger
Memory/History: 128 MB