Analog Black Dial Men's Omega Chronograph Automatic with Stainless Steel Case and Bracelet, Fixed Bezel with Aluminium Insert Tachymeter Scale. Features Rhodium-Plated Hands and Index Hour Markers (Luminous), Three Sub-Dials (60 sec, 30 min, 12 hr). Powered by Calibre 3330 Automatic Movement (ETA Valjoux base) containing 31 Jewels, operating at 28800 vph. Approximate Power Reserve: 52 hours. Scratch Resistant Sapphire Crystal. Pull/Push Crown. Solid Case Back. Round Case Shape Size 38mm Thickness 13.2mm Band Width 18mm Fold Over Clasp with Push Button Release. Water Resistant Up to 100 Meters / 330 Feet.