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ISO 2281 water resistance testing of a watch consists of: Resistance when immersed in water at a depth of 10 cm. Immersion of the watch in 10 cm of water for 1 hour. Resistance of operative parts. Immersion of the watch in 10 cm of water with a force of 5 N perpendicular to the crown and pusher buttons (if any) for 10 minutes. Condensation test.
The Rolex Oyster Perpetual Submariner is a line of sports watches designed for diving and manufactured by Rolex, resistant to water and corrosion. [1] The first Submariner was introduced to the public in 1954 at the Basel Watch Fair. [2] It was the first watch to be waterproof up to 100 metres (330 ft). [3]
So finally watches said waterresistant must : resist to a dive in the water in a depth of at least 100 metres (330 ft), have a system of control of time and answer all the criteria planned by the standard ISO 6425: luminosity, shock resistance, resistance in magnetic fields, solidity of the bracelet.
The watches are tested in static or still water under 125% of the rated (water) pressure, thus a watch with a 200 m rating will be water resistant if it is stationary and under 250 m of static water. The testing of the water resistance is fundamentally different from non-dive watches, because every watch has to be fully tested.
1939 advertisement from Jewelers' Circular Keystone magazine of the Gallet MultiChron 30 "Clamshell", the world's first water resistant chronograph wristwatch Reverse view of the Gallet Clamshell showing the 4 screws that compress the 2 part case around the flared acrylic crystal Open view of the Gallet Clamshell showing top part of the two part case and complex Swiss column wheel movement ...
The Apple Watch Series 10 retains 50 meters of water resistance and is the fastest-charging Apple Watch to date, reaching 80% battery in 30 minutes. The device features an 18-hour battery life. The device features an 18-hour battery life.
Other requirements included a matte black dial with luminescent hands, numbers and indices, subsidiary seconds, a shatter-resistant perspex plastic crystal, a case resistant to water, dust and shock, a high-quality, isochronal and robust, 15 jewel movement, and a water-resistant winding crown of a good size. [1]
CNET praised the design, readability, and water-resistance of the Pebble Steel, but criticized the limit of eight user-installed apps and the lack of a heart-rate monitor. [58] Later watches in the Pebble series were described similarly: as simple and effective but lacking some features of competitors like the Apple Watch.
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