While maintaining the performance of the self-winding mechanical Hi-Beat 36000 movement, which is resistant to external disturbances and achieves high accuracy when carried, this model is equipped with the caliber 9S86 with a GMT function.
Grand Seiko, which was born with the aim of producing high-precision mechanical watches, has set its own high-precision standards, the Grand Seiko Standards, which exceed the Swiss Chronometer Excellence Standards. (GSS) standard” and has a history of releasing the “Grand Seiko Special” that passed this standard.
Equipped with a specially-designed movement that has passed the modern Grand Seiko Special Standard, the standard of the time was further improved. , The oscillating weight has an 18K lion emblem.
The 24-hour scale laid out in a circle that makes a statement with fine grains, the sharp dial design, the long slender indexes, the majestic hands, and the black crocodile strap harmonize with the classic 18K white gold case to create a fearless look. It creates a sophisticated look. The blue steel GMT hand further enhances the united exterior design.
The back cover is a see-through back, and you can enjoy watching the movement of the movement, which has been enhanced to the highest precision, spinning the minute time.
Exterior: 18K white gold Case back: 18K white gold + sapphire glass
Back cover: See-through, 6-screw fixed back cover
Glass material: box sapphire
Coating: Inner non-reflective coating
Case size: Width 39.5mm Height 46.9mm Thickness 13.9mm
Clasp: Three fold method
Arm circumference length (longest): 183mm
Driving method: Mechanical automatic winding (with manual winding)
Drive period: Lasts about 55 hours at maximum winding
Accuracy: Average daily difference +5 seconds to -3 seconds
Waterproofing: waterproof for everyday use
Antimagnetic: can be
Other: ・37 stones ・24-hour hand (dual time display function)
・Calendar-linked time difference correction function ・Special standard average daily difference +4 seconds to -2 seconds ・Nakadome 18K white gold