Grand Seiko Spring Drive Limited Edition
SBGA 103 

Limited Edition of 500pcs

Each Grand Seiko Spring Drive is unique, SBGA103 is rather elegantly sporty unique, and limited to 500pcs worldwide. SBGA103 is a tribute to the Self-Dater design made in 1966. The lugs of the SBGA103 significantly represent its Grand Seiko’s traditional accent. The stainless steel and the steel color dial coherently make SBGA103 looks contemporary yet premium. 

Movement
Spring Drive
Caliber 9R15
Power reserve: Approx. 72 hours(3 days)
Accuracy: ±0.5 second per day (±10 seconds per month)

Exterior
Case Material: Stainless Steel 
Case size: Diameter 39.9mm, Thickness 13.2mm
Glass Material: Dual-curved sapphire
Glass Coating: Anti-reflective coating on inner surface
Lumi Brite: Lumibrite on hands, indexs and bezel
Serial number engraved on the case back
Clasp type: Three-fold clasp with secure lock & push button release, solid & slide adjuster

Other Details 
Water resistance 10 BAR
Screw case back
Screw-down crown
See-through case back
Magnetic resistance: Equipped
LIMITED EDITION on the case back
Power reserve display
Stop second hand function
30 Jewels

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