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3 years

Manufacturer's Warranty

3 years

Manufacturer's Warranty

Grand Seiko SBGA429 Heritage Collection

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10-20-28718
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The new timepieces celebrate sōkō, the end of Autumn, when the first frost embraces the forest. The green accent colors featured on the seconds hand and power reserve indicator epitomize the life of the Arashiyama bamboo forest in Kyoto in its peak season at the end of Autumn. The vertical texture of the dials reflects the majestic stalks of the bamboo. Together, the 39.0mm timepieces pay tribute to this moment in nature, when its green hues are dramatically enlivened in the contrasting expression of “shadow” gray dial.

These remarkable timepieces display the deeply satisfying beauty created by the highest level of Japanese craftsmanship unique to Grand Seiko.
The Spring Drive 9R65 Caliber is designed, adjusted and assembled by hand, by acclaimed craftsmen and women at the Shinshu Watch Studio in Japan. Spring Drive, recognized as one of the great innovations in modern watchmaking, is a spring-driven movement with a state-of the-art electro-magnetic regulator that functions without an external power source. Its sole power source is a mainspring, which drives a series of gears as a traditional mechanical watch, and delivers a precision of one second a day, a rate unprecedented for a watch powered by a mainspring. The Spring Drive movement further celebrates the passage of time as a poetic journey with every revolution of the seconds hand around the dial.

Exterior

Case Material: Stainless steel

Glass Material: Dual-curved sapphire crystal

Glass Coating: Anti-reflective coating on inner surface

Case size: Diameter 39mm × Thickness 12.3mm

Clasp type: Three-fold clasp with push button release

Movement

Caliber no.: 9R65 Instructions

Movement Type: Spring Drive

Power reserve: Approx. 72 hours (3 days)

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

Functions

Water resistance: 10 bar

Magnetic resistance: Equipped

Other details/ Features:        

・30 jewels

・Case back with lion emblem

・Date display

・Power reserve display

・Screw case back

・See-through case back

・Stop seconds hand function

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