This genuine Cabot Watch Company RN Divers automatic divers' watch has been made to exacting MOD specs. This non-date version was issued for approximately 1 year and which replaced the Rolex submariner auto in the early 80s. It was then superseded by the Cabot Watch Company RN quartz divers' watch, which is still current issue to RN Divers. Highest quality Swiss automatic movement, Swiss Made and assembled in Switzerland. Water resistant to 300m.