Grand Seiko SBGN013 - Quartz GMT - Black and Silver

Article code SBGN013
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  • Overview
  • Everlasting time that never fades... The first 9F quartz movement with GMT function from the Heritage collection. A classic silver design and black dial with red hand for a subtly sporty accent.


Case: Stainless steel
Glass Material: Dual-curved sapphire
Glass Coating: Anti-reflective coating on inner surface
Case size: Diameter 40 mm × Thickness 12,2 mm
Clasp type: Three-fold clasp with push button release
Calibre no.: 9F86
Movement: Quartz
Power reserve: /
Accuracy: ±10 seconds per year
Water resistance: 10 BAR / 100 M / 330 FT
Weight: 150 g
Other details / Features: Magnetic resistance, 24-hour hand (dual time display function), Adjustment function for time difference with calendar, Date display, Stop second hand function, Back with lion logo.

Product details

Caliber 9F

In 1993 the first 9F-caliber was released. It yielded progress in every aspect. The hands were as long as those of any other Grand Seico watch, the calendar change was immediate and the durability and reliability were improved. Calibre 9F included major innovations such as an automatic backlash adjustment mechanism to eliminate the vibration of the second hand, a double-pulse control system for higher torque, and a special construction to minimize the risk of dust coming into contact with the gearing and pedaling motor. No effort was spared and to this day Calibre 9F can claim to be the best performing quartz watch in the world.

"A model with a date display with GMT function"

With the same functionality as the standard Calibre 9F, this Calibre 9F86 is equipped with the first GMT function of Grand Seiko.