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.
Only a small number of watches can be produced per year, as a finished product that meets these high precision standards must be adjusted by a skilled watchmaker many times longer than a normal mechanical watch.
The 18K pink gold case that protects the special core with an average daily difference of +4 seconds to -2 seconds (static accuracy) harmonizes with the dark brown crocodile strap for an adult man who values quality time. It has a stylish look that is suitable for
The back cover is a see-through back, and you can enjoy watching the movement of the mechanical movement that spins the minute time.
Exterior: 18K pink gold Case back: 18K pink gold and sapphire glass
Back cover: Screw see-through back cover
Glass material: dual curve sapphire
Coating: Inner non-reflective coating
Case size: Width 38.0mm Height 44.5mm Thickness 13.4mm
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: Reinforced waterproof for everyday life (10 bar)
Antimagnetic: can be
Other: ・Number of stones: 37 ・Special standard: average daily difference +4 seconds to -2 seconds ・Nakadome 18K pink gold