WWII'ish 2 register Chronograph. Stainless Steel Case measures 38mm lug to lug x 32mm wide non inclusive of the Crown using Calipers. Original Butler finish Dial shows luminous Military Standard Arabic numerals. Open outer chapter numerically calibrated at 5 Second intervals and Bulova signature are printed Black. A constant Seconds sub Dial numerically calbrated at 20 second intervals appears fully obscuring the 9 and a 30 Minute sub Dial numerically calibrated at 10 Minute intervals appears fully obscuring the 3. Hour and Minute Hands are luminous. Constant Seconds Hand is Modern style and the 30 Minute register Hand is Index style. Flyback Center Seconds Hand is 10 AKSCH style. Steel Crown and pushers are original. Snap fit Caseback is Stainless Steel. * 13 AK Movement is a Swiss Valjoux 23 signed Bulova Watch Co. Bada$$ 1/14/2012 - Many thanks to Jeff at Time Restoration for Service on the Chrono.
In reply to Mark - Valjoux? by Geoff Baker
In reply to These had the Bulova 13AH by vintagebulova.com
In reply to Jay - I might have been by Geoff Baker
Yes, I see. Got hung up on the 13AK reference and missed your spelling correction. That is unless its the ultra rare Valjouz.
Jay
Good catch Geoff! - Valjoux 23.
This one contains a 13AK
http://www.ranfft.de/cgi-bin/bidfun-db.cgi?10&ranfft&&2uswk&Valjoux_23
In reply to That's the Valjoux mark. by Reverend Rob