Grand Seiko Spring Drive GMT

Categories: , , SBGE257

£5,500

Calibre9R66
Movement TypeSpring Drive
Accuracy±15 seconds per month (±1 second per day)
Case MaterialStainless Steel/Ceramic Bezel
Case Diameter40.5mm

Description

This compact Spring Drive sports model incorporates a zirconia ceramic bezel with a surface hardness which is around six times harder than stainless steel.

The Spring Drive movement, pioneered by Seiko Watch Corporation’s engineers, generates energy like a conventional mechanical watch – with a mainspring – but combines this with an electronic regulator to deliver a superior level of precision, never requiring a battery change.

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.

Grand Seiko: beautifully, precise Japanese watchmaking, from the pinnacle of Seiko Watch Corporation’s in-house manufacture. Every Grand Seiko features signature high standards of Japanese precision, durability and legibility, handcrafted by Takumi artisans.

 

SPECIFICATION

Movement
Accuracy: ±15 seconds per month (±1 second per day)
Calibre: 9R66
Movement Type: Spring Drive
Power Reserve: 72 Hours
Watch Case
Case Material: Stainless Steel/Ceramic Bezel
Case Thickness: 14.7mm
Case Diameter: 40.5mm
Lug Width: 20.0mm
Exterior
Dial Colour: Green
Clasp: Three-fold clasp with push button release
Strap/Bracelet: Stainless Steel
Other Specifications
Water Resistance: 20 bar
Weight: 172.0g
Crystal Coating: Anti-reflective coating on inner surface
Crystal Type: Dual-curved sapphire crystal
Watch Function: GMT
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