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 craftsmanship Case: 48 x 16mm Stainless Steel Case with carbon fibre ring - Domed Anti-Reflective Sapphire Crystal Dial: Skeleton Dial with Black Numbers and Green Hands - Stainless Steel Minute and Hour Hand - Small Seconds at 6 O'Clock Strap: 25mm x 16cm Handmade Italian Leather, black with green stitching and Stainless Steel Buckle Feature: Water Resistant to 50M 5ATM We are Authorised Gaga Milano Distributors and we Will Stamp the Warranty on the Day of Purchase