GRAND SEIKO

SBGA201G

Grand Seiko Spring Drive Mens Watch SBGA201G

Grand Seiko Spring Drive Mens Watch SBGA201G

A Spring Drive standard model that has had a strong following ever since its release. It was the first Grand Seiko watch to be powered by a Spring Drive, the third movement mechanism, combining the motive force of a mainspring found in mechanical watches with the high precision of a quartz watch.

Exterior
Exterior: Stainless steel
Case back: See-through & Screw case back
Glass Material: Dual-curved sapphire crystal
Glass Coating: Anti-reflective coating on inner surface
Case size: Diameter 41.0mm Lug-to-lug 49.0mm Thickness 12.5mm
Band width: 20mm
Clasp type: Three-fold clasp with push button release
The perimeter of Band: 195mm
Movement
Caliber no.: 9R65 
Movement Type: Spring Drive
Power reserve: Approx. 72 hours(3 days)
Accuracy: ±15 seconds per month (±1 second per day)
Functions
Water resistance: 10 bar
Magnetic resistance: 4,800 A/m
Other details / Features:
  • Screw-down crown
  • 30 jewels
  • Power reserve indicator



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