TECHNICAL SPECIFICATIONS

MOVEMENT

The Grand Seiko Mechanical Hi-Beat 36000 GMT Caliber 9S86 is a high-precision movement that delivers exceptional accuracy, operating within a range of +5 to -3 seconds per day and featuring a power reserve of approximately 55 hours. This movement includes a GMT function, allowing travelers to adjust the hour hand independently without stopping the seconds hand, ensuring continuous precise timekeeping. With a frequency of 36,000 vibrations per hour, the Caliber 9S86 embodies Grand Seiko’s commitment to precision and craftsmanship, combining advanced technology with traditional watchmaking techniques to create a reliable and practical timepiece.

THE BASICS 

The Grand Seiko Sport Collection Caliber 9S 25th Anniversary Limited Edition SBGJ275 is a commemorative watch inspired by a sea of clouds at daybreak, featuring a striking blue dial and a rotating sapphire bezel that allows for reading three time zones simultaneously. Powered by the precise Caliber 9S86, this limited edition includes a titanium oscillating weight anodized to a sky-blue color and boasts a 20-bar water resistance, making it the first Grand Seiko mechanical watch with an exhibition case back. With only 2,000 pieces available, this watch beautifully merges artistic design with high-performance engineering.

CASE
44.2 mm

HEIGHT 
14.8 mm

GLASS 
Sapphire

POWER RESERVE
55 Hours

STRAP
Bracelet