Swiss Made Mechanical, Hand Wound, GaGa 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 GaGa Milano craftsmanship

48 x 16mm Black PVD Stainless Steel Case – Domed Anti-Reflective Sapphire Crystal