2011年5月19日星期四
The essential big difference in between the two lies within their depth ratings. While the present Submariner types possess a greatest depth rating of 300 meters or 1000 feet, the present versions of Sea-Dweller can comfortably go underwater as very much as a depth of 4000 ft (all earlier types experienced a depth rating of 2000 feet). like a result, the Submariner could possibly be the choice of novice and recreational divers whereas professional divers choose that Sea-Dweller. The underwater treasure hunters also place on Sea-Dwellers.
Another key big difference in between the two types could possibly be the presence of the one-way gasoline escape valve opposite the winding crown while in the Sea-Dweller. This specific feature is becoming added to it to shield the view from internal pressure, which builds-up once the divers go towards the decompression chambers. Deep sea divers use a helium/oxygen combination within their oxygen tanks, which could effortlessly permeate the crystal in the watch. However, during decompression, helium particles are not in a location to come about out in the watch, thus, blowing the crystal out in the watch. The gasoline escape valve was the a solution to this problem, which has proved really effective. the present Sea-Dweller types feature a larger and improved gasoline escape valve.
