5. Breguet Type XXI for Only Watch 2015
And the last timepiece from the military inspired list is Breguet Type XXI. Housed in a 42mm platinum case, it has bi-directional rotating bezel, a sapphire crystal, and it is water resistant to 100 meters. Inside the Swiss automatic Breguet in-house caliber 584Q1 with 25 jewels, 28,800 vph and a power reserve of 45 hours. Completing the ensemble is a brown aged calfskin with a platinum buckle. The Breguet Type XXI will be sold during the Only Watch 2015 charity auction.