Grand Seiko Spring Drive Heritage Collection-SBGA467

Exterior

• Case and Band Material: Stainless Steel

• Glass Material: Dual-curved sapphire crystal

• Glass Coating: Anti-reflective coating on inner surface

• Case size: Diameter 40mm

• Lug to Lug: 46mm

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

Movement

• Caliber No: 9R65

• Movement Type: Spring Drive

• Power reserve: Approx. 72 hours

• Accuracy: ±15 seconds per month