Grand Seiko Spring Drive "Skyflake" Watch-SBGA407

Exterior

• Case Material: Stainless steel

• Glass Material: Dual-curved sapphire

• Band Material: Crocodile leather

• Glass Coating: Anti-reflective coating on inner surface

• Case size: Diameter 40.2mm × Thickness 12.8mm

• Clasp type: Three-fold clasp with push button release

Movement

• Caliber No: 9R65

• Movement Type: Spring Drive

• Power reserve: Approx. 72 hours

• Accuracy: ±1 second per day / ±15 seconds per month