The Grand Seiko GMT watch celebrates ever-changing seasons.
In Japan, each of the four seasons of the year is experienced in six phases and all have their own distinct characters. The subtle changes from one to the next bring the nature of time ever closer to our senses. The GMT watch celebrates one of the year’s 24 seasonal phases or sekki.
Kanro. The evenings draw in and the first frosts appear. There is chill in the morning air. The Spring Drive glide motion seconds hand moves smoothly, silently and mysteriously, like the moon across the calm night sky. Autumn is at its height.
Case Material : Stainless steel Glass Material : Box shaped sapphire crystal Glass Coating : Anti-reflective coating on inner surface Case size : Diameter 40.2mm Lug-to-lug 48.5mm Thickness 14mm The perimeter of Band : 192mm Clasp type : Three-fold clasp with push button release
Movement
Calibre no. : 9R66 Instructions Movement Type : Spring Drive Power reserve : Approx. 72 hours(3 days) Accuracy : ±15 seconds per month (±1 second per day)
Functions
Water resistance : 10 bar Magnetic resistance : 4,800 A/m Weight : 152.0 g Other details / Features :
・24-hour hand (dual time display function) ・30 jewels ・Calendar-linked time difference adjustment function ・Case back with 6 screws ・Case back with lion emblem ・Date display ・Power reserve indicator ・See-through case back ・Stop seconds hand function