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  2. Automatic quartz - Wikipedia

    en.wikipedia.org/wiki/Automatic_quartz

    'Seiko Quartz Automatic Generating System' (A.G.S. = early Kinetic), Perpetuum Nobile (produced in 1989), Cal. 7M45, No. 246 of 700 Seiko AGS SCUBA Diver 200m 5M23-6A60, 1993. Automatic quartz is a collective term describing watch movements that combine a self-winding rotor mechanism [1] (as used in automatic mechanical watches) to generate ...

  3. Diving watch - Wikipedia

    en.wikipedia.org/wiki/Diving_watch

    Seiko 7002-7020 Diver's 200 m Citizen Promaster Aqualand digital/analog JP2000-08E Diver's 200 m Citizen Hyper Aqualand ProMaster MA9024-21E digital Diver's 200 m. Many companies offer highly functional diving watches.

  4. Seiko - Wikipedia

    en.wikipedia.org/wiki/Seiko

    Since the 1970s, Seiko has introduced a variety of wristwatches with various world firsts: in 1973, Seiko introduced the world's first wristwatch with a LCD display capable of displaying six digits for hours, minutes and seconds; in 1975, Seiko introduced the world's first digital watch with a stopwatch function and a diver's watch with a ...

  5. Zodiac Watches - Wikipedia

    en.wikipedia.org/wiki/Zodiac_Watches

    Zodiac Watches, or simply Zodiac, is an American [1] brand of Swiss-made watches founded in 1882 by Ariste Calame in Le Locle, Switzerland.The company mostly focuses on its dive watches through its Sea Wolf line, [2] one of the first modern dive watches, which debuted in 1953, before the Rolex Submariner and after Blancpain Fifty Fathoms. [3]

  6. Timeline of diving technology - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_diving_technology

    The timeline of underwater diving technology is a chronological list of notable events in the history of the development of underwater diving equipment.With the partial exception of breath-hold diving, the development of underwater diving capacity, scope, and popularity, has been closely linked to available technology, and the physiological constraints of the underwater environment.

  7. Deep diving - Wikipedia

    en.wikipedia.org/wiki/Deep_diving

    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 ...