Catalog No. 561 of the Quick-Fit Material Systems for Wristwatches. Five hundred pages of wrist watch parts, many exploded views of movements, all with their corresponding Quick-fit number, which can be cross-referenced with other parts numbers.

An exceedingly rare and absolutely FASCINATING in-depth look at the maintenance and watch repair of WWII timepieces. This original book would have been carried in the field by those who were charged with keeping America's ordnace timepieces going. Paperback, 222 pages. Full title: TM9-1575 War Department Technical Manual Ordnance Maintenance/Wrist Watches, Pocket Watches, Stop Watches and Clocks.