Grand Seiko Heritage
72 hour power reserve
With an upgraded Caliber 9S55 mechanical movement, this watch typifies the high quality in the Grand Seiko collection.
The watch has a 3-day power reserve and combines the latest in hairspring technology with an escapement developed through the MEMS technology to achieve high accuracy and stability when worn.
The case's mirror finish has the lustrous shine that only multi-faceted Zaratsu polishing can achieve.
The delicacy, strength and beauty of the movement can be enjoyed through the exhibition case back.
Case Material : Stainless steel
Glass Material : Dual-curved sapphire crystal
Glass Coating : Anti-reflective coating on inner surface
Case size : Diameter 39.4mm × Thickness 13.5mm
The perimeter of Band : 206mm
Clasp type : Three-fold clasp with push button release
Caliber no. : 9S65 Instructions
Movement Type : Automatic with manual winding
Power reserve : Approx. 72 hours(3 days)
Accuracy : +5 to -3 seconds per day (when static) / +10 to -1 seconds per day (normal usage accuracy)
Water resistance : 10 bar
Magnetic resistance : Equipped
Weight : 160.0 g
Other details / Features :
・Case back with lion emblem
・Screw case back
・See-through case back
・Stop second hand function