Case Material : Stainless steel Glass Material : Dual-curved sapphire Glass Coating : Anti-reflective coating on inner surface Case size : Diameter 40mm × Thickness 13mm The perimeter of Band : 195mm Clasp type : Three-fold clasp with push button release
Caliber no. : 9S65 Movement Type : Automatic with manual winding capacity 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 Other details / Features :
- ・35 jewels
- ・Case back with lion emblem
- ・Date display
- ・Screw case back
- ・Screw-down crown
- ・See-through case back
- ・Stop seconds hand function
The simple silver dial brings to life the identity of Grand Seiko enhancing visibility by suppressing radiation. The strong three-dimensional indexes are tightly arranged to the outside of the calendar frame, creating harmony with the presence of the case, balance and a stately profile. The case design has a sense of presence and luxury following the standard design of Grand Seiko.
The caliber 9S65 "Mechanical automatic winding 3 Days" lasts 72 hours at maximum winding, adopting the latest hydraulic spring and escapement by MEMS method, creating greater stability and improved accuracy. The back of the see-through case, allows the owner to enjoy the precise movement.
This model combines the presence and wearability in a well-balanced manner with high legibility. This model can endure generations as a lifetime timepiece that carves important moments together.