Alpina Men's 'SmartimePilot' Swiss Quartz Stainless Steel and Leather Casual Watch, Color:Green (Model: AL372B4FBS6) Black PVD coated stainless steel case (44 mm in diameter, 13 mm thick), screw-down case-back engraved with plane, black dial, white luminescent hands, white Arabic numerals and indices, small seconds sub-dial at the 6 o'clock position, big date window at the 6 o'clock position Chronograph function features a sweep second hand, 30 minute counter at the 9 o'clock position and 1/10th of a second counter at the 3 o'clock position, scratch resistant sapphire crystal, screw-down crown, Swiss quartz movement, alpina caliber al-372, water resistant to 10 ATM/100 meters/330 feet, black hi-tech cordura fabric strap, pin buckle Swiss-quartz Movement Case Diameter: 44mm Water Resistant To 330 Feet