Baume & Mercier Clifton Automatic, Date, Cosc Certified Men's Watch 40mmA sophisticated gentleman's wristwatch, the Clifton Baumatic 10518 is an automatic date watch for men, manufactured with a manufacture self winding calibre. Its balanced aesthetic pairs a timeless black alligator strap with a white dial, featuring both hour and minute time markers and the iconic date aperture at 3 o'clock. The steel case is finished with a transparent sapphire case back, through which the COSC automatic movement can be observed.