The rotating bezel is arguably one of the most important features of a dive watch, serving as a reminder of dive time. The rotating bezel is marked with scales of 15, 30, and 45, as the average diving oxygen tank only lasts 45 minutes, and there are individuals who are marked with a 60-minute scale. The first 15 minutes are colored or specially marked, and divers strictly adhere to the 15-minute safety stop during ascent to completely release the nitrogen absorbed from the cylinder. Usually you can tell how long a dive takes by turning the bezel so that the 0 scale on the bezel is aligned with the minute hand, and then watching the minutes go by the corresponding scale on the bezel.
The Rolex Oyster Perpetual Motion 4000-904L stainless steel watch. Rolex introduces a modern version of the Oyster Perpetual Sea Messenger watch, bringing back to life the legendary diver’s watch that was introduced in 1967. This 40mm technical diver’s watch is water resistant to 1,220 meters (4,000 feet) and features Rolex innovations and devices including Cerachrom ceramic bezels, long-lasting Chromalight luminous material, a paramagnetic blue Parachrom hairspring, an Oyster safety clasp and a Rolex Glidelock strap extension. Countdown timer alerts are crucial for divers due to oxygen limitations, which can trigger decompression sickness if you go up too fast due to oxygen shortage. Therefore, the rotating bezel is a deeply ingenious and very useful feature. While the external bezel is designed to turn in a single counterclockwise direction, today’s newest designs use a safety switch to control the arbitrary rotation and locking of the bezel.Warm reminder: Stay tuned to LuFuture.com app for the latest market updates.
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