Lens Material: Sapphire crystal Bezel Material: Diamond-like Carbon (DLC) coated titanium Case Material: Fiber-reinforced polymer with metal rear cover Quickfit Watch Band Compatible: (26 mm) Strap Material: Silicone or Titanium Physical Size: 52 x 52 x 17.8 mm Color Display: Yes Display Size: 1.4” (35.56 mm) diameter Display Resolution: 280 x 280 pixels Display Type: Sunlight-visible, transflective memory-in-pixel (MIP) Weight: Silicone band: 99.6 g, Titanium band: 160.3 g Battery Life: Smartwatch: Up to 16 days, GPS: Up to 48 hours, GPS and Music: Up to 15 hours , Max Battery GPS Mode: Up to 96 hours , Dive mode: Up to 80 hours , Dive mode with Descent T1: Up to 32 hours, Expedition GPS Activity: up to 35 days, Battery Saver Watch Mode: Up to 50 days Water Rating: Dive (Designed to comply with EN13319), 10 ATM Memory/History: 32 GB