Sapphire Crystal --  Case Size: 44 mm 316L Stainless Steel Satin Finished  -- Thickness: 15 mm -- Band: Antique Brown Leather Strap -- Bracelet Length:  22 mm x 22 mm -- Dial : Round  -- Movement: 7750 Swiss ETA Automatic Movement 3 Reg Chronograph -- Details: Calendar Window at 3 o'clock -- Super Luminova on Hands and Arabian Number --See-Through Back -- Water Resistant: 5 ATM --50 Meter--165 Feet