Grand Seiko Heritage Watch With Black Dial, 41mm
Grand Seiko

Grand Seiko Heritage Watch With Black Dial, 41mm

SKU: NS305679
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Product Description

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.

Reference Number - SBGA203


Case Material - Stainless steel

Case Back - See-through and screw case back

Glass Material - Dual-curved sapphire crystal

Glass Coating - Anti-reflective coating on inner surface

Case Size - Diameter 41mm, Lug-to-Lug 49mm, Thickness 12.5mm

Band Width - 20mm

The Perimeter of Band - 195mm

Clasp Type - Three-fold clasp with push button release


Caliber no. - 9R65

Movement Type - Spring Drive

Power reserve - Approx. 72 hours

Accuracy - +15 seconds per month (+1 second per day)


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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