enow.com Web Search

  1. Ads

    related to: seiko 21 jewels automatic movement

Search results

  1. Results from the WOW.Com Content Network
  2. Automatic quartz - Wikipedia

    en.wikipedia.org/wiki/Automatic_quartz

    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 electricity with a piezoelectric quartz crystal as its timing element. Such movements aim to provide the advantages of quartz without the inconvenience and environmental impact of ...

  3. List of ETA Movements - Wikipedia

    en.wikipedia.org/wiki/List_of_ETA_Movements

    ETA Mechanical movement features Caliber Hours Minutes Seconds Date Day ... 2890 (automatic, sweep-second, 21 jewels, 28800vph, reserve 42h) 2770 (automatic, sweep ...

  4. Seiko - Wikipedia

    en.wikipedia.org/wiki/Seiko

    Seiko SNK381 with 7S26-01V0 movement. In 1968, Seiko introduced three ten beat (ten ticks per second) calibers, the automatic caliber 61GS, the manual winding 45GS [46] and 19GS [47] for women's watch. The 61GS was Japan's first automatic ten beat watch, and it was the most accurate mechanical watch due to the high beat calibers. [48]

  5. Spring Drive - Wikipedia

    en.wikipedia.org/wiki/Spring_Drive

    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 ...

  6. Automatic watch - Wikipedia

    en.wikipedia.org/wiki/Automatic_watch

    Video of the rotor turning in an automatic wristwatch having a glass back, when the watch is moved by hand. An automatic watch, also known as a self-winding watch or simply an automatic, is a mechanical watch where the natural motion of the wearer provides energy to wind the mainspring, making manual winding unnecessary if worn enough. [1]

  7. Orient Watch - Wikipedia

    en.wikipedia.org/wiki/Orient_Watch

    Orient (オリエント時計株式会社, Oriento Tokei Kabushiki-gaisha) is a Japanese watch manufacturer founded in 1950. Established as an independent company in 1950, it became a functional subsidiary of Epson in 2009 before being fully integrated into the company in 2017.

  1. Ads

    related to: seiko 21 jewels automatic movement