The Grand Seiko 5645-7010, produced in the early 1970s, is part of the prestigious 56GS series, renowned for its design and precision. Its angular case with zaratsu polishing, designed according to the "Grammar of Design" established by Taro Tanaka, is characteristic of Grand Seiko pieces from this era. With a sober yet formidably well-executed refinement, this piece was not simply an alternative to fine Swiss watches — it held its own against them. Today, the 5645-7010 captivates discerning collectors with its discreet beauty, remarkable precision, and historical importance in Seiko's conquest of worldwide watchmaking legitimacy. A pure connoisseur's watch.
Japan, 1973
Dial: Ivory dial
Case: Steel
Diameter: 36 mm
Movement: Seiko 5645 automatic, hacking seconds, quick date change
Strap: Leather 18 mm
Condition : The watch is in exceptional condition — and what a dial! The crystal is very slightly marked on its edge. The gold "Seiko GS" medallion is in impeccable condition, which is very rare. The movement has been checked and regulated — this Seiko runs perfectly.
