LEVMASTER SUB-PROFESSIONAL 300 HELIUM VALVE

 

LEVMASTER Sub professional 300 Helium valve - Automatic diver watch For the function for which the professional diver is intended Levmaster 300 is also equipped with the automatic helium gas expulsion valve. This feature much appreciated by professional divers allows you to reach depths of 300 meters without problems. The bezel is unidirectional with 60-120 clicks and, as befits a professional instrument, unidirectional in an anti-clockwise direction, this is to prevent a casual and involuntary movement of the numbered ring from extending the time limits for recovering the decompression times during the rising to the surface. The glass is obviously made of scratch-proof sapphire and has an anti-reflective treatment on the inside, to prevent a scratch on the surface during sporting use from being repaired without replacing the glass. To make it easier to read the date at 3 o'clock, the glass also features a magnifying glass. The movement is automatic. The crown, characterized by a functional knurling to facilitate grip and operation. The winding crown is screwed to the case and guarantees water resistance thanks to the gasket (1-2) as regards the helium expulsion valve, this will be activated automatically when emerging from diving. The steel bracelet is equipped with a comfortable and functional professional buckle which includes an additional extension link to be able to wear it over the neoprene wetsuit.