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 48 x 16mm Yellow Gold PVD Stainless Steel Case - Domed Anti-Reflective Sapphire Crystal Black Dial with Rose Gold Plated Arabic Indexes - Yellow Gold Plated 316L Stainless Steel Minute and Hour Hand - Small Seconds at 6 O'Clock 24mm x 19cm Handmade Italian Brown Leather Strap and a Yellow Gold PVD PVD Stainless Steel Buckle Water Resistant to 30M 3 ATM We are Authorized Gaga Milano Distributors and we Will Stamp the Warranty on the Day of Purchase