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Grand Seiko
50th Anniversary Commemorative Edition

Out of catalogue

As SEIKO's premier watch brand, Grand Seiko has pursued the essence of wristwatches since its birth in 1960: high precision, legibility, ease in use, wearability and operability. From the very first one, every Grand Seiko watch has shared the functional beauty and design purity that are now its hallmark.The year 2010 is the 50th anniversary of Grand Seiko. This commemorative limited model for the 50th anniversary is equipped with a Spring Drive movement tuned for enhanced accuracy. Among watches powered by a mainspring, it is the most accurate watch in the world.Spring Drive is SEIKO's original and proprietary movement in which the mechanical and the quartz system are fused together. It is based on the foundation of all mechanical watch technology, but it uses an entirely original system for time regulation: the Tri-synchro regulator controls and releases the mechanical, electrical and electro-magnetic energy generated by the mainspring. It replaces the escapement, delivering the equivalent of one-second-per-day accuracy, and uniquely features glide-motion hands that express the natural and continuous flow of time. 9R15 is equipped with quartz crystals which are specially selected with time and care, and the enhanced accuracy of -/+10 seconds per month (-/+ 0.5 second per day) is realized.In celebration of the 50th anniversary of Grand Seiko, lion emblems in 18K-gold are applied to the dial and the oscillating weight. This lion emblem symbolizes Grand Seiko's tradition and quality and its determination to be the “King of Watches.”

Référence du produit


  • SBGA055
  • Limited edition of 300 watch(es)
  • Limited edition
Boîtier du produit


  • Material : Steel
  • Diameter : 41.00mm
  • Back : Sapphire
  • Water resistance : 100m
Mouvement du produit


  • Type : Electromechanical
  • Power reserve : 72h
Cadran du produit


  • Date
  • Hours
  • Minutes
  • Power reserve
  • Seconds
Cadran du produit


  • Material : Leather
  • Buckle type : Folding buckle

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The brand

The history of Seiko is a more than 130 year story of innovation. From the very start, Kintaro Hattori was determined to be at the forefront of the industry and his oft-repeated credo was that Seiko should be “Always one step ahead of the rest.”

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