This timepiece achieves unparalleled functionality as the rotating 24-hour bezel—simultaneously displays three different time zones. The design has a profound presence, while still maintaining the traditional shine of a classic Grand Seiko model. Combined with a tough exterior, water resistant down to 20 bar and highly resistant to shocks, this timepiece has been perfected as the ideal luxurious sports watch for those active on the global stage. The high-quality sapphire glass on the surface of the ring provides a strong sense of transparency, breadth and depth.
The vintage green dial and black/white bezel made of sapphire crystal gives the appearance of a vintage watch.
This model incorporates Caliber 9S86, the high-specification movement that delivers the same accuracy (-5 to 3 seconds a day) and the same power reserve (55 hours) as the core Caliber 9S85, while also offering the GMT function that the international traveler needs to ensure that the accuracy of the time shown is not compromised when the time zone is changed. The red GMT hand shows the time in the home time zone.

Reference Number - SBGJ239

Exterior

Case Material - Stainless steel

Glass Material - Dual-curved sapphire crystal

Glass Coating - Anti-reflective coating on inner surface

LumiBrite - Lumibrite on hands, indexes and bezel

Case Size - Diameter 44.2mm x Thickness 14.4mm

Band Material - Crocodile leather

Clasp type - Three-fold clasp with push button release

Movement

Caliber no. - 9S86

Movement Type - Automatic with manual winding

Power reserve - Approx. 55 hours

Accuracy - 5 to -3 seconds per day 9when static) / 8 to -1 seconds per day (normal usage accuracy)

Functions

Water resistance - 20 bar

Magnetic resistance - Equipped

Weight - 122.0 g

Other details / Features - 24-hour hand (dual time display function), 37 jewels, Calendar-linked time difference adjustment function, Case back with lion emblem, Date display, Rotating bezel (24-hour display), Screw case back, Screw-down crown, Stop seconds hand function