Mechanical movement RAKETA 2623H with 16 Ruby jewels. Hand-winding. 24-hour dial. Shock-proof balance. Central second hand. All stainless steel case. Water resistant 30 ATM. Diameter: 51 mm (60 mm inc.crown), h 14 mm. Guaranteed accuracy from -20 to +40 seconds/day (20+-5°C)). Fully wound watch runs not less than 42 hours. The watch is BRAND NEW. Comes with rubber band (22 mm). Made in RUSSIA (2011). LIMITED EDITION: serial number # xx / 50.

German submarine U-100 was a Type VIIB U-boat of the German Kriegsmarine during World War II. U-100, given its short-lived existence, was one of the most successful and deadly Nazi German U-Boats to have served in World War II.

http://en.wikipedia.org/wiki/U-100_(1940)