Original U.S. WWII 1944 Army Air Force B-17 Navigator Type A-8 Stopwatch By Waltham - Jitterbug Disallow PayPal & Amazon Checkout German WW1 examples are often

German WW1 examples are often encountered with the saw teeth removed

5 inches wide fastened with wire wrapping to a 30" long wooden shaft

Extremely heavy barrel

since the spring tended to lose its temper due to overheating

On 3 November

Original U.S. WWII 1944 Army Air Force B-17 Navigator Type A-8 Stopwatch By Waltham - Jitterbug Disallow PayPal & Amazon Checkout German WW1 examples are oftenOriginal Item: Only One Available. The Type A 8 was a navigation stopwatch designed for timing ground speed meters for determining the velocity of aircraft relative to the ground. One revolution of the Type A 8 hand was equivalent to ten seconds. The dial was white on early Wittnauer Type A 8 watches and black on Waltham watches produced from 1940 onwards. Waltham, the Federal Television Corp. and Aristo Import Co. manufactured Type A 8 stopwatches