Alpina Men's 'STARTIMER Pilot Big Date' Quartz Stainless Steel and Leather Casual Watch, Color:Brown (Model: AL-280N4S6) AL-280 high precision Swiss quartz movement with 6 jewels and 48 months battery life big date display with engraved case-back Quartz Movement Case Diameter: 44mm Water resistant 200m (660ft):in general, suitable for professional marine activity and serious surface water sports, but not diving