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The watch will log the user's dive time, track the depth, record the water temperature, and log the data for up to 20 dives. Other unique feature is the sapphire crystal. [24] In 2020 Casio unveiled their first analogue Frogman, the GWF-A1000. The new model features a carbon fibre reinforced resin case with a monocoque design.
A diving watch, also commonly referred to as a diver's or dive watch, is a watch designed for underwater diving that features, as a minimum, a water resistance greater than 1.1 MPa (11 atm), the equivalent of 100 m (330 ft). The typical diver's watch will have a water resistance of around 200 to 300 m (660 to 980 ft), though modern technology ...
In 1993, Casio introduced the DW-6300 Frogman, which was the first ISO 6425 certified diver's watch in the G-Shock lineup. [ 14 ] [ 13 ] The Frogman also marked the start of the MAN or "master of G" line of G-Shocks which was used to introduce new features and functions in the G-Shock lineup.
Edifice watches range from basic chronograph to more advanced models with more computerised movements. Many Edifice watches utilise Tough Solar, Casio's brand name for solar powered batteries. More advanced models are "Waveceptors" which can calibrate themselves with atomic clocks via radio waves. Some models have Bluetooth connectivity which ...
The test for qualifying a diving watch to bear the word "diver's" on the dial is for repeated usage in a given depth and includes safety margins to take factors into account like aging of the seals, the properties of water and seawater, rapidly changing water pressure and temperature, as well as dynamic mechanical stresses encountered by a ...
Diver's 100 m and 150 m watches are generally old(er) watches. Diver's 200 m or 300 m: Suitable for scuba diving at depths not requiring helium gas. Typical ratings for contemporary diver's watches. Diver's 300 + m helium safe: Suitable for saturation diving (helium-enriched environment). Watches designed for helium mixed-gas diving will have ...
A depth gauge is an instrument for measuring depth below a vertical reference surface. They include depth gauges for underwater diving and similar applications. A diving depth gauge is a pressure gauge that displays the equivalent depth below the free surface in water. The relationship between depth and pressure is linear and accurate enough ...
The Casio F-91W is a digital watch manufactured by Japanese electronics company Casio. Introduced in June 1989 [1] as a successor of the F-87W, [2] it is popular for its low price, long battery life and iconic design. [3] As of 2011, annual production of the watch is 3 million units, which makes it the most sold watch in the world. [4]