Original US WWII Type A-11B USAAF Wrist Watch by Bulova.

Vintage WWII Bulova field watch.  In great working condition on new old stock surplus military issued watch band

The Bulova Type A-11B is a legendary variant of the "Watch That Won the War". Commissioned by the U.S. Army Air Forces (USAAF) in 1942, it was the first military watch with a "hacking" seconds feature. This allowed pilots to synchronize their timepieces to the exact second for coordinated operations