Grand Seiko’s Brilliant Quartz Movement Now Comes With a GMT Function

A beloved, super-accurate movement now gets a useful travel complication.


In 1993, Grand Seiko debuted it’s Caliber 9F, arguably one of the greatest quartz movements ever made, retaining all of the technical goodies that make quartz movements accurate while adding high-end finishing akin to what you’d see on a mechanical movement. Its thermo-compensated, accurate to within seconds a year, and brand claims the watch can run for 50 years without needing a service (save for battery changes). To celebrate 25 years of that remarkable movement, Grand Seiko is debuting the 9F86, which adds a GMT complication to the mix.

Three new references will feature the new movement: the limited edition SBGN001 and the non-limited SBGN003G and SBGN005G. All three feature a 39mm case that’s just over 12mm thick and come with a 24-hour GMT bezel as well as a stainless steel bracelet. The limited edition, though, gets a special version of the movment adjusted to be accurate to within five seconds a year (the standard movement, meanwhile, is 10 seconds a year) and comes with a textured dial and bright yellow accents.

Only 800 of the limited reference will be made and is expected to go on sale in October for $3,500. The two mainstream models, meanwhile, will go on sale early next year, with a $3,200 MSRP.

Learn More: Here

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