IWC IW392103
IWC, Da Vinci series, men's model, model: IW392103,
43mm diameter, stainless steel case, folding buckle, rock grey dial, blue moon phase, perpetual calendar, functional display of week, month, and date, chronograph function, automatic mechanical watch with back transparency, movement 89630 model 399 parts, 68 hour power reserve, very attractive appearance.