Stainless Steel head and bracelet with diver's extension, unidirectional rotating diver bezel, blue wave dial, automatic Chronometer (Cal. 2628 (base ETA 2892-A2)), date, dual time zone, Co-Axial escapement, helium escape valve, display back, screw-down crown, Ref. 2535.80, 41mm, Mint in Box with hang tag