Grand Seiko - GRAND SEIKO Spring Drive SBGY003
Grand Seiko - GRAND SEIKO Spring Drive SBGY003

GRAND SEIKO Spring Drive SBGY003

Grand Seiko | 8'200 € Tax inc.

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Shinshu Watch Studio for Spring Drive's birthday.

In the tradition of the Micro Artist Studio, it is in the Shinshu Watch Studio that all other Grand Seiko Spring Drive watches are made. 
 
Wishing to take part in the celebration of the 20th anniversary, he developed a highly refined hand-wound watch equipped with the new Spring Drive 9R31 calibre. With the same cylinder with a double motor spring as the 9R02 calibre, they offer the same daytime running time of +/- one second per day and a 72-hour power reserve. The case, barely 10.2 mm thick, is available in two variants, 18-carat yellow gold or stainless steel, each with a sunray dial dial. 
 
This model is firmly in line with the sober and refined aesthetic emblematic of the Grand Seiko, with facetted hands and hour-markers that restore the slightest reflection.
 

Technical specifications

SBGY003
Spring Drive Movement 9R31
Arming system: manual
Power reserve: 72 hours
Accuracy: ±1 second per day (±15 seconds per month)
Double spring-motor cylinder
Power reserve indicator
Number of rubies: 30
 
stainless steel case and clasp (SBGY003)
High definition curved sapphire crystal with anti-reflective coating
Transparent screwed case back
Water resistance: 3 bar
Magnetic resistance: 4,800 A/m
Diameter: 38.5mm, thickness: 10.2mm
Crocodile leather strap with folding clasp with push button deployment
Limited edition of 700 pieces worldwide 
 

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