Grand Seiko Sport Collection 9R Spring Drive Chronograph
SBGB003
The SBGB003 is a Spring Drive Chronograph produced by Grand Seiko, this model is powered by the Caliber 9R84, a unique caliber designed to combine the motive force of a mainspring with the high precision of a quartz-powered watch. The power reserve indicator is nicely placed at the 7th position. This is a rare piece available now to complete your collection.
SBGB003 Specifications:
Movement
Calibre: 9R84
Type: Spring Drive (with Manual Winding)
Power Reserve: 72 hours
Jewel: 41
Exterior
Case Material: Stainless steel
Glass Material: Dual-curved Sapphire crystal
Glass Coating: Anti-reflective coating
Strap/Bracelet: Stainless steel bracelet
Clasp Type: Stainless steel with three-fold clasp with push button release
Other Details
Tachymeter
Water Resistance 10 Bar
Date display
Power reserve display
Screw down crown
See-through case back
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