Stainless Steel Case Stainless Steel Bracelet Caliber V172 Powered by Both Natural and Artificial Light Power Reserve Up To 6 Months No Battery Change Required Hardlex Crystal Chronograph - Measures Up to 60 Minutes in 1/5 Second Increments Alarm Function Split Time Measurement Black Dial With Tachymeter Scale Gold Coloured Luminous Hands and Indices Gold Cloured Bezel, Crown and Pushers Date Window At 3 O'clock Position Three Fold Clasp with Push Button Release Screw-in Case Back 100m Water Resistance Case Diameter 43mm Case Thickness 12mm