An automatic mechanical in a new 40mm case design
A black dial gives a more compact look. 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
The caliber 9S65 "Mechanical automatic winding 3 Days" lasts 72 hours at maximum winding, adopting the latest hydraulic spring and escapement (MEXT) 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.
|Case back:||See-through & Screw case back|
|Glass Material:||Dual-curved sapphire crystal|
|Glass Coating:||Anti-reflective coating on inner surface|
|Case size:||Diameter 40.0mm Lug-to-lug 46.6mm Thickness 13.0mm|
|Clasp type:||Three-fold clasp with push button release|
|The perimeter of Band:||195mm|
|Caliber no.:||9S65 Instructions|
|Movement Type:||Automatic with manual winding capacity|
|Power reserve:||Approx. 72 hours(3 days)|
|± seconds per month:||
+5 to -3 seconds per day
|Water resistance:||10 bar|
|Magnetic resistance:||4,800 A/m|
|Other details / Features:||
The three movements at the heart of Grand Seiko
One of the world's foremost mechanical movements, the culmination of high-precision micro-engineering and the attention to detail of Seiko's expert watchmakers.
Spring Drive is a unique movement that delivers one-second-a-day precision, using just the power of a mainspring.