Like every great idea, GaGà Milano started from a simple premise: to take the main elements of a pocket watch and adapt it for the wrist.Swiss Made Mechanical, Hand Wound, GaGà 6497 Movement with a power reserve of 36 Hours - 21,600 bph - 21 Jewels - Screw Down Crown at 12 O'Clock - Open Sapphire Crystal Case Back which shows off the balance spring, the Manual Wind Mechanism and The GaGà Milano craftsmanship48 x 16mm Stainless Steel Case - Domed Green Anti-Reflective Mineral CrystalSkeleton Dial with Black Steel Arabic Markers - Green Stainless Steel Minute and Hour Hand - Small Seconds at 6 O'Clock24mm x 16cm Green Perforated Rubber Strap with a Stainless Steel BuckleWater Resistant to 30M, 3 ATMWe are Authorized Gaga Milano Distributors and we Will Stamp the Warranty on the Day of Purchase