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In 1978, Seiko introduced the world's first quartz diver's watch with a water resistance of 600 meters; in 1982, the world's first wristwatch with a television; in 1983, the world's first wristwatch with a record-and-play function and an analog quartz chronograph; in 1984, the world's first wristwatch computer; and in 1986, the world's first ...
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 ...
The Spring Drive uses a conventional mainspring [3] and barrel [4] along with automatic and/or stem winding to store energy, just as in a mechanical watch. [3] However, the escapement and balance wheel in mechanical watches is replaced by Seiko's Tri-synchro Regulator system, a phase-locked loop wherein a rotor, which Seiko refers to as a "glide wheel", is powered by the mainspring barrel via ...
A dive computer, personal decompression computer or decompression meter is a device used by an underwater diver to measure the elapsed time and depth during a dive and use this data to calculate and display an ascent profile which, according to the programmed decompression algorithm, will give a low risk of decompression sickness.
The Amphibia creation was led by Vostok's chief of their new design bureau. The objectives were to create a watch that was competitive with contemporary diving watch such as the Blancpain 50 Fathoms, the Rolex Submariner and the watches using the compressor case, and to create a watch that could operate reliably at the temperature and pressure of 20 atmospheres (and later 30 atmospheres).
Deepest scuba dive on compressed air (July 1999 in Puerto Galera, Philippines). [20] 200 m (660 ft) Limit for surface light penetration sufficient for plant growth in clear water, though some visibility may be possible farther down. [nb 3] 230 m (750 ft) First dive on a hydrox-rebreather (14 February 2023 in the Pearse Resurgence, New Zealand ...
The combatant divers course combines lecture, demonstration, and practical application in oxygen charging procedures using the USMC Oxygen Transfer Pump System, or USMC OTPS. Upon the completion of this course, the Marines (of any MOS that attends) are given the Special "B" MOS 0324 Reconnaissance Man, Combatant Diver Qualified (NMOS) [formerly ...
Dave Not Coming Back (French: La dernière plongée de Dave) is a Canadian documentary film, directed by Jonah Malak and released in 2020. [1] The film centres on diver Dave Shaw's death while attempting to recover the body of Deon Dreyer from the submerged Boesmansgat cave in 2005, through a mix of camcorder footage from the incident and the personal reflections of his surviving friend Don ...