Grand Seiko SBGY007 "Omiwatari"

A Spring Drive gem inspired by Omiwatari

Most winters, the water of Lake Suwa freezes over and, most years, a long ridge appears in the ice from one side of the lake to the other. Tradition has it that this is the ‘Omiwatari’ or where the Gods walk out over the ice.

True or not, the legend has inspired the craftsmen and women at the nearby Shinshu Watch Studio to create a dial of exquisite subtlety for this hand-winding Spring Drive timepiece. It has the color, feel and texture of the snow-covered ice on Lake Suwa.

The movement is Spring Drive Caliber 9R31 which has the Dual Spring Barrel that delivers a power reserve of 72 hours when fully wound. Its exquisite finishing is visible through the exhibition case-back along with the power reserve indicator.

Specifications

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 38.5mm Lug-to-lug 43.7mm Thickness 10.2mm

Band width:        19mm

Band Material:   Crocodile leather

Clasp type:          Three-fold clasp with push button release

Movement

Caliber no.:         9R31

Power reserve:   Approx. 72 hours(3 days)

Accuracy:            ±15 seconds per month (±1 second per day)

Functions

Water resistance:             Splash Resistant

Magnetic resistance:       4,800 A/m

Weight: 68 g

Other details / Features:              

• 30 jewels
• Power reserve indicator

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