Grand Seiko Spring Drive SLGB023 Titanium Watch - Evolution 9
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The term ushio, which means “tide” in Japanese, evokes the waters that surround the Japanese archipelago. This creation’s blue dial reflects the vast expanse of the sea through a gradient that captures light streaming into the deep ocean.
* As of April 2026, based on Grand Seiko’s research.
Exterior:
- Case Material: High-intensity titanium
- Case back: Screw case back
- Glass Material: Sapphire crystal
- Glass Coating: Anti-reflective coating on inner surface
- LumiBrite: LumiBrite on hands, index(es) and bezel
- Case size: Diameter 40.8mm Lug-to-lug 48.5mm Thickness 12.9mm
- Band width: 21mm
- Clasp type: Locking extension clasp with micro-adjustment
Movement:
- Caliber No: 9RB1
- Movement Type: Spring Drive
- Accuracy: ±20 seconds per year (±3 seconds per month)
- Power reserve: Approx. 72 hours(3 days)
Features:
- Water resistance: 300m / 1000ft diver's
- Magnetic resistance: 4,800 A/m
- Unidirectional rotating bezel
- Screw-down crown
- Power reserve indicator
- 33 jewels
- Diameter: 40.8 mm
- Watch Band Color: Grey
- Watch Styles: Casual
- Watch Type: Bracelet, Divers
- Case Shapes: Round
- Case Sizes: Large (40mm - 44mm)
- Band Materials: Titanium
- Dial Color: Blue
- Features: Calendar/Date, Luminous, Rotating Bezel, Screw-Down Crown, Water Resistant
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Need it today? At checkout, select Pick Up In Store from available location options.
Free Shipping & Returns
Free Standard Shipping (7-10 business days) on orders $100+ anywhere in the Continental U.S. Plus, easy, free returns.
Meet with an Expert
We're here to help! Schedule a virtual or in-store appointment with a jewelry professional.
Purchase Options
Why wait? Order now, pay later. Choose the option that works best for you.
REEDS Guarantee
Same Day Options
Need it today? At checkout, select Pick Up In Store from available location options.
Free Shipping & Returns
Free Standard Shipping (7-10 business days) on orders $100+ anywhere in the Continental U.S. Plus, easy, free returns.
Meet with an Expert
We're here to help! Schedule a virtual or in-store appointment with a jewelry professional.
Purchase Options
Why wait? Order now, pay later. Choose the option that works best for you.
Say hello to Same Day Options!