HamiltonMen's Hamilton Khaki Belowzero Automatic Rubber Strap Watch, 46mm

BUY at Nordstrom

Water-resistant to a depth of 1,000 meters and equipped with a helium escape valve, the BelowZero is perfect for even the most daring of deep-water adventures. The convex crystal-reminiscent of a smooth bubble-and a diving-mask detail at the caseback are subtle reminders of this watch's capabilities. Style Name: Hamilton Khaki Belowzero Automatic Rubber Strap Watch, 46Mm. Style Number: 5446827. Available in stores.