Overview
The SBGY007 is known as “Omiwatari”—its rippling silver-blue dial is inspired by the frozen surface of Lake Suwa in Japan. Featuring the manual-wind Spring Drive 9R31 movement with a long power reserve, this Elegance Collection watch celebrates Grand Seiko’s artistry and engineering.
Product Image
Image copyright Grand Seiko
Official Description
Inspired by the mystical “Omiwatari” ice ridges on Lake Suwa, the SBGY007 recreates the serene winter landscape on its delicately textured dial. The Spring Drive SBGY007 brings Grand Seiko’s sense of natural beauty and unique timekeeping precision to a beautifully finished 38.5 mm case with an elegant blue seconds hand.
Product Specifications
| Feature | Value |
|---|---|
| Model Number | SBGY007 |
| Series | Elegance Collection |
| Case Material | Stainless steel |
| Case Diameter | 38.5 mm |
| Case Thickness | 10.2 mm |
| Lug Width | 19 mm |
| Lug-to-Lug | 43.7 mm |
| Crystal | Box-shaped sapphire, anti-reflective |
| Bracelet/Strap | Crocodile leather, blue |
| Water Resistance | 30 meters (3 bar) |
| Magnetic Resistance | 4,800 A/m |
| Weight | 61.0g (including strap) |
| Clasp | Three-fold clasp with push button |
| Caseback | Sapphire crystal, see-through |
Movement Details
| Specification | Value |
|---|---|
| Movement | Spring Drive, Caliber 9R31 |
| Type | Manual winding |
| Power Reserve | ~72 hours (3 days) |
| Accuracy | ±1 second per day / ±15 sec per month |
| Jewels | 30 |
| Features | Power reserve indicator (on caseback) |
Manual-Wind Spring Drive:
The 9R31 movement gives a long power reserve, offers high precision, and allows the blue seconds hand to glide smoothly (Spring Drive signature).
Frequently Asked Questions
Is winding required?
Yes, this SBGY007 is manually wound—perfect for enthusiasts who love the ritual of hand-winding.
Is it suitable for swimming?
Its 30m water resistance means it’s splash proof, but not suited for swimming or submersion.
What makes the dial unique?
The textured design is inspired by the Omiwatari phenomenon: the cracks/ridges that appear on Lake Suwa’s ice in winter.
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