Current NATO Pattern Quartz Military Divers Watch with Sapphire Crystal and 10 Year Battery Life and Ceramic Bezel - NATO STOCK NUMBER NSN 6645-99-157-3496SKU: DIV2001SSCE 715LI This watch, allocated the NSN number 6645 99 157 3496 by the MOD (Ministry of Defence) codification agency, traces its origins to models MWC first manufactured between the early 1990s and 2004. Although some details, such as the dial design, changed over that period, the 1999 2001 pattern dial remains the clear winner due to its easily readable, uncluttered layout and excellent nighttime performance. This watch retains that