Grand Seiko Spring Drive Heritage SBGA465G

A dial inspired by sunlight shimmering on an early morning frost

Winter arrives suddenly in Shinshu, the region that is home to the facility where all Grand Seiko Spring Drive watches are created. Frost forms at night on the trees and, for a brief but beautiful moment, glistens in the still powerful morning sun before melting away. The fleeting beauty of this phenomenon is captured in this dial.
Thanks to Grand Seikos unique Spring Drive movement, the seconds hand glides silently and smoothly, with no tick, across the dial, perfectly reflecting the natural and continuous flow of time. The power reserve is 72 hours when fully wound and is shown on the discreet indicator next to the eight oclock index.

Exterior
Exterior: Stainless steel
Case back: Screw case back
Glass Material: Dual-curved sapphire crystal
Glass Coating: Anti-reflective coating on inner surface
Case size: Diameter 40.0mm Lug-to-lug 46.6mm Thickness 12.3mm
Band width: 20mm
Clasp type: Three-fold clasp with push button release
The perimeter of Band: 203mm

Movement
Caliber no.: 9R65 Instructions
Movement Type: Spring Drive
Power reserve: Approx. 72 hours(3 days)
Accuracy: 15 seconds per month (1 second per day)

Functions
Water resistance: 10 bar
Magnetic resistance: 4,800 A/m
Weight: 157 g
Other details / Features:
Screw-down crown
30 jewels
Power reserve indicator

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