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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 ...
Some Grand Seiko timepieces also incorporate the company's Spring Drive movement, a movement that is a combination of both automatic and quartz timekeeping methods, leading to unparalleled accuracy in the world of automatic wristwatches. The most famous example is the SBGA011 Grand Seiko "Snowflake", housing the 9R Spring Drive movement.
The company has developed many timepiece technologies, such as the world's first portable quartz timer (Seiko QC-951) in 1963, the world's first quartz watch (Seiko Quartz Astron 35SQ) in 1969, the first automatic power-generating quartz watch (Seiko Auto-Quartz) in 1988, and the Spring Drive watch movement in 1999.
'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 ...
Jean Lassale was a Swiss watch company that designed the Calibre 1200, featuring the thinnest mechanical watch movement: 1.2 mm. [1] In the 1970s, Pierre Mathys, [2] master watchmaker in La Chaux-de-Fonds, designed and built the prototype of a revolutionary watch caliber, with the goal of making the thinnest watch in the world.
The Seiko Golden Grand Prix, formerly known as the Golden Grand Prix Kawasaki, is a track and field competition at the International Stadium Yokohama, Japan as part of the World Athletics Continental Tour. It was first organized in 2011 at the Todoroki Athletics Stadium in Kawasaki and sponsored by Seiko.