44 mm stainless steel AISI 316L case with IPB treatment, innovative locking system (Locking ring system) for a quick battery back, crown on left side, domed sapphire crystal, blue metal dial, Ronda 712.3 quartz movement hours, minutes, screw-down crown, handmade and hand-finished black calf leather and blue stitching strap, 9179/zstainless steel tongue buckle. Water resistant to 50 meters (5 ATM).