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.
Exterior
Exterior: Stainless steel case back: stainless steel and sapphire glass
Back cover: Screw see-through back cover
Glass material: dual curve sapphire
Coating: Inner non-reflective coating
Case size: Width 40.0mm Length 46.6mm Thickness 12.9mm
Bandwidth: 20mm
Clasp: One-push three-fold method
Arm circumference length (longest): 195mm
Movement
Movement: 9S65
Driving method: Mechanical automatic winding (with manual winding)
Drive period: About 72 hours (about 3 days) at maximum winding
Accuracy: Average daily difference +5 seconds to -3 seconds
Functions
Waterproofing: Reinforced waterproof for everyday life (10 bar)
Antimagnetic: can be
Weight: 156g
Other: ・Number of stones: 35 ・Screw lock type crown
