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Grand Seiko 55th Anniversary Spring Drive Chronograph Limited Edition

Japanese watch group Sieko has announced that it will introduce the Grand Seiko 55th Anniversary Spring Drive Chronograph Limited Edition.

The 43.5 mm case is presented in high-intensity titanium with a ceramic bezel and houses an automatic caliber 9R96 Spring Drive Chronograph GMT movement with GMT hand and chronograph up to 12 hours.

Its Spring Drive mechanism and crystal oscillators are individually selected with time and care, providing an accuracy of +/- 0.5 seconds a day (+/- 10 seconds per month). It is resistant to magnetic fields of 4,800 A/m and is water resistant up to a pressure of 10 bar (100 meters or 330 feet). In addition, a minimum power reserve of approximately 72 hours is on offer.

Grand Seiko 55th Anniversary Spring Drive Chronograph Limited Edition

© Seiko.

The deep blue dial – the signature colour of Grand Seiko – is housed within a dual-curved sapphire crystal display with anti-reflective coating and is complemented by chronograph hands in a gold tone. Its caseback is see-through, allowing the wearer to view the very inner workings of the oscillating weight and its infamous lion emblem.

Each piece is supplied on a titanium bracelet that has a three-fold clasp with push-button release and “GS” emblem in 18-carat yellow gold.

The Grand Seiko 55th Anniversary Spring Drive Chronograph Limited Edition will be available in a limited quantity of only 400 timepieces.

Main characteristics.

  • Automatic 9R96 Spring Drive Chronograph GMT movement
  • 43.5 mm case is presented in high-intensity titanium with ceramic bezel
  • GMT hand and chronograph up to 12 hours
  • An accuracy of +/- 0.5 seconds a day (+/- 10 seconds per month)
  • Minimum power reserve of approximately 72 hours
  • Dual-curved sapphire crystal display with anti-reflective coating
  • Transparent caseback showcasing oscillating weight
  • Water resistant up to a pressure of 10 bar (100 m / 330 ft)
  • Resistant to magnetic fields of 4,800 A/m
  • Limited availability of only 400 timepieces

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