he new Sport Collection GMT watch features a dial that illustrates the sea of clouds rarely seen at daybreak, when still, humid air forms dense clouds overlapping to create a beautiful tapestry. The blue colour is inspired by the sky over Mt. Iwate, the peak visible from the Grand Seiko Studio Shizukuishi when blanketed by this sea of clouds.

The clear sapphire crystal case back, meanwhile, provides an invitation to view a titanium oscillating weight, which has been made a light shade of blue through an anodic oxidation process.* This marks the first time a Grand Seiko mechanical watch with water resistance to 20 bar featured an exhibition case back. A rotating bezel with sapphire crystal in blue and white elevates the design while allowing for a total of three time zones to be read at once. And, of course, a tried-and-trusted 9S mechanical movement powers the new creation. In this case, it is the hi-beat GMT caliber 9S86 provides stable accuracy thanks to its frequency of 36,000 vph, equal to ten beats per second or 5 Hz.

This anniversary limited edition of 2,000 will be available exclusively from the Grand Seiko Boutique Online starting in September 2023 before availability extends to the Grand Seiko Boutiques and select retail partners the following month.

Technical Specifications

Model: SBGJ275
Caliber 9S86
Driving system: Automatic
Frequency: 36,000 vibrations per hour (10 beats per second)
Accuracy (mean daily rate): +5 to –3 seconds per day
Power reserve: 55 hours
GMT hand
Number of jewels: 37
Stainless steel case and bracelet
Dual-curved sapphire crystal with anti-reflective coating
See-through screw case back
Three-fold clasp with push-button release
Water resistance: 20 bar
Magnetic resistance: 4,800 A/m
Diameter: 44.2mm
Thickness: 14.8mm
Limited edition of 2,000
Recommended retail price in the United States: $7,600