Great example of WWII Waltham A-17 Navigation Hack. Watch is completely original ....in very high condition. Movement is a 6/0-D with 17 jewels, just serviced and ready to go. ORDINANCE MARKS ON BACK, PHOTO SHOWS GREAT DETAIL. Case measures 31.4mm x 39mm overall and comes with brand new military canvas strap. Great example of the A-17 Navigation hack with 12 hour movement and inner 24 hour chapter....ready to go!