
Grand Seiko
Heritage
Ref. SBGW306
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Specifications
Reference
- Collection
- Heritage
- Reference
- SBGW306
Case
- Material
- 18k rose gold
- Size
- 36.5 mm
- Water resistance
- 100 m
Movement
- Calibre
- Mechanical
- Power reserve
- 72 hours
About this reference
Born in 1967, the 44GS is the watch that established Grand Seiko’s unique design philosophy, known as the Grand Seiko Style. This contemporary version, a 36.6mm mechanical model, retains the character of the original. Like its 1960s counterpart, its angular design depicts myriad expressions of light and shadow. This new creation, however, adds the warm luster of 18k rose gold. The dial features a stunning pressed pattern inspired by Mt. Iwate, the peak visible through the windows of the Grand Seiko Studio Shizukuishi, where this watch and other Grand Seiko mechanical models are crafted. Its color evokes the tranquil, snowy landscape of Mt. Iwate in winter. The watch is powered by the mechanical Caliber 9S64, visible through the see-through case back. It provides a power reserve of 72 hours and an accuracy of +5/-3 seconds per day. Exterior: Exterior: 18k rose gold; Case back: See-through & Screw case back; Glass Material: Box shaped sapphire crystal; Glass Coating: Anti-reflective coating on inner surface; Case size: Diameter 36.5mm Lug-to-lug 42.7mm Thickness 11.7mm; Band width: 18mm; Band Material: Crocodile leather. Movement: Caliber no.: 9S64 Instructions; Movement Type: Manual winding; Power reserve: Approx. 72 hours(3 days); Mean daily rate: +5 to -3 seconds per day Mean daily rate is a mean value of daily rates in a condition where the movement before assembly in a case is measured in six positions in a fixed manner under artificially controlled environment for 12 days.; Normal usage accuracy: +10 to -1 seconds per day. Functions: Water resistance: 10 bar; Magnetic resistance: 4,800 A/m; Other details / Features: 24 jewels.
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