Spring Drive Professional Divers 60th SLGA001 GS Blue Dial Grand Seiko Spring Drive Professional Divers 60th SLGA001 GS Blue Dial Grand Seiko

SPRING DRIVE
Spring Drive

The model equipped with Grand Seiko 's original movement "Spring Drive" is an epoch-making watch that overturns conventional concepts.

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About Spring Drive

The model equipped with Grand Seiko 's original movement "Spring Drive" is an epoch-making watch that overturns conventional concepts. In order for a clock to keep time, it needs "power" to move it and a "control system" to control its movement.
Spring Drive uses the mainspring of a mechanical watch for power and a quartz-type IC circuit for the control system. A hybrid movement that demonstrates Seiko's technical prowess, combining the strength of a mechanical system with the high precision of a quartz movement.

“Spring Drive
High precision unique to quartz
The Spring Drive employs a speed-regulating mechanism "tri-synchronized regulator" that controls the unwinding force of the mainspring with an IC circuit. This is Grand Seiko 's original design that uses the mainspring of a mechanical watch as power and the electric signal of the IC and crystal oscillator used in quartz watches. It is powered by a mainspring like a mechanical wristwatch, but the average monthly difference is about ±10 to 15 seconds, the same as a standard quartz wristwatch.
Seiko's high technological prowess can be seen from the innovative and original mechanism that overturns the common sense of wristwatches.
Sports Collection Spring Drive Divers Watch SBGA229 Grand Seiko
Mainspring driven high torque
スプリングドライブは、クオーツ式とは異なり、機械式のゼンマイ同様に力強いトルクを有しています。これにより、一般的なクオーツ式腕時計では難しい、太く重たい針やクロノグラフなどの機構も搭載が可能になりました。 ゼンマイのほどける力を利用してIC回路を動かすため、クオーツ式のように電池交換を行う必要はありません。
また、クオーツは1秒ごとに「チッチッチッ」と針が進みますが、スプリングドライブは文字盤の上を「スー」と滑らかに進んでいきます。静かに時を刻むかのような針の動きも、人気の理由のひとつです。
Spring Drive Grand Seiko watch
Many models equipped with
Spring Drive is featured in various Grand Seiko models. The main models to be installed are the Ref.SBGA211, which has an impressive snowy dial, the Ref.SBGE213, which has a unique black dial and red 24-hour hand, and the first Grand Seiko diver's model, the Ref. Such as "Ref.SBGA231", which is the successor model of "SBGA029".
From the sports collection with GMT function to the elegance collection, it is available in a wide range of collections, and one of the attractions is that you can choose according to the scene and taste.