Grand Seiko Heritage
Movement
Calibre no: 9S86
Movement type: Automatic with manual winding capacity
Power reserve: Approx. 55 hours
Accuracy: ±5 to -3 second per day (when static)
Exterior
Case Material: Stainless steel
Case size: Diameter 40mm
Thickness 14mm
Glass Material: Dual-curved sapphire crystal
Glass Coating: Anti-reflective coating on inner surface
Clasp type: Three-fold clasp with push button release