GRAND SEIKO

SBGD202J

Grand Seiko Spring Drive Eight Day Power Reserve SBGD202J

Grand Seiko Spring Drive  Eight Day Power Reserve SBGD202J

Caliber 9R01, created by the Micro Artist Studio, shows the full potential of Spring Drive at its very best. Not only does it offer a remarkable precision rate of 10 seconds per month but it also delivers a power reserve of eight days, thanks to the use of three barrels, to the unique design of the movement and to the craftsmanship of its manufacture.

SPECIFICATIONS

Exterior

Case Material 

18k rose gold

Glass Material 

Box shaped sapphire crystal

Glass Coating 

Anti-reflective coating on inner surface

Case size 

Diameter 43mm  Lug-to-lug 51.8mm  Thickness 13.2mm

Band Material 

Leather

The perimeter of Band 

195mm

Clasp type 

Three-fold clasp with push button release

Movement

Caliber no. 

9R01   

Accuracy

±10 seconds per month (±0.5 second per day)

Functions

Water resistance

10 bar

Magnetic resistance

Equipped

Weight 

150.0 g

Other details / Features 

  • ・56 jewels
  • ・Power reserve display
  • ・Screw case back
  • ・See-through case back
  • ・Stop seconds hand function
  • ・Time difference adjustment function

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