officially licensed by the US Navy and created with their authorization and approval
sweep seconds and magnified date
Material: Alligator leather
These new lightweight metal models
Inspired by 1930's flyback chronographs and driven by a desire to go beyond a regular chronograph construction
Ball NM2050C-P1A-BK Engineer Master II Aviator Oversize Rubber Strap Tutima officially licensed by the USMovement Automatic caliber BALL RR1102 Functions 31 micro gas tubes on hour, minute, second hands, and dial for night reading capability Hours, minutes, sweep seconds, day and date Shock resistance 5,000Gs shock resistance Water resistance 100m 330ft Antimagnetic 4,800A m Case Stainless steel (NM2050C 01) Stainless steel with TiC coating (NM2050C 02) 48mm, height 13. 5m Anti reflective convex sapphire crystal Screwed in crown Band Stainless steel