Grand Seiko Heritage Collection 41 MM Stainless Steel Spring Drive Watch SBGA203
A long-cherished and simple Spring Drive watch
A Spring Drive watch that has had a strong following ever since its release. It was the first Grand Seiko watch to be powered by Spring Drive, Grand Seiko’s unique caliber, which combines the motive force of a mainspring with the high precision of a quartz watch.
In Spring Drive, the second hand moves in perfect glide motion, reflecting the natural and continuous flow of time itself.
It has a 72-hour power reserve, and a power reserve indicator on the bottom left of the dial.
The watch face and multi-faceted hands and hour markers seem to change depending on the angle and amount of light, giving this watch its eternal appeal.
Wearers of this watch can enjoy a clear view of the movement through the see-through case back.
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
Caliber no.: 9R65 Instructions
Movement Type: Spring Drive
Power reserve: Approx. 72 hours(3 days)
Accuracy: ±15 seconds per month (±1 second per day)
Water resistance: 10 bar
Magnetic resistance: 4,800 A/m
Other details / Features:
Power reserve indicator