Deployment clasp. Screw-locked crown with two gaskets, screwed-in case back.
Water-resistant to 1640 feet (500 M)
Product Review
Amazon.com Product Description
The Breitling Men's Aeromarine Colt Quartz Watch is built strong enough for diving and beautiful enough for the finer things on land. Crafted with a brushed and polished stainless steel case, bracelet, and unidirectional rotating ratcheted bezel, this Breitling men's watch is water resistant to 1,640 feet (500 M). Protected by a scratch-resistant sapphire crystal, the round silver dial features a date display at three o'clock and chronograph functions. Operating with precise Swiss-quartz movement, this Breitling men's watch also has a minimum 42-hour power reserve.