I found a lot of friends who like diving watch. Many people think that there is a bezel, plus diving depth is a diving watch! This post wants you to know what kind of table is really considered diving table.
According to the ISO standard a watch must have all the following properties (and through the sampling test), can only be called diving table.
1, seawater resistance: In the bad environment temperature of 23 degrees Celsius, soaked with 3% brine for 24 hours, the case and accessories remain intact, the movable part is still working properly.
2, hot and cold fusion performance: watch heated to 40 degrees Celsius, suddenly into the environment of -40 degrees Celsius, the watch should be walking normally, the parts function intact.
3, waterproof performance: According to the table of diving depth, such as 100 meters diving depth of the table, will be in the water with 125 meters depth of pressure after 1 hour, check the record of water; then pressure 300 meters depth of pressure for 1 hour, Check and record the amount of water in order to evaluate the waterproof performance.
4, shockproof performance: the same with conventional shockproof watch.
5, anti-magnetic properties: with the conventional anti-magnetic watch.
6, Annex resistance to external forces: the appearance of the table parts such as the crown, valves, buttons can withstand the force of 20 kilograms and can guarantee normal work.
7, readable performance: in 25 cm, the dark time to read and digital bezel.
8, specific device: rotatable bezel main scale figures must be clear at a glance, the life of the diver!
9, underwater action: Under 30 cm underwater, operating a variety of peripheral components, must be reliable operation.
10, with helium row device: for some deep-dive table, helium row device should be row.
11, reliability: Underwater plus 12.5 times atmospheric pressure for 20 minutes, the table must be normal operation.
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Jiangmen Lihua Import & Export Trading Co., Ltd. Jiangmen Lihua Furniture., Ltd. , https://www.jmlihua.com