Sapphire Crystal, Stainless Steel Case with Blue Leather Strap, Fixed Stainless Steel Bezel, Silver Open Heart Dial, Luminous Blue Hands and Index Hour Markers (Arabic Numerals at 3/6/9/12), Minute Markers on Outer Rim, Analog Dial Type, Luminescent Hands and Markers for Night Readability, Hamilton Calibre H-10 Automatic Movement based upon ETA C07.111 with 25 Jewels operating at 21600 vph and Approximate Power Reserve of 80 Hours, Pull/Push Crown, Transparent Case Back, Round Shape, Case Size 42mm Thickness 11mm, Band Width 22mm Fold Over Clasp, Water Resistant to 100 meters / 330 feet, Functions: Hour Minute Second, Casual Style, Swiss Made.