1978 Seiko Grand Quartz 9256-8010

Serviced 1978 Daini twin quartz Seiko Grand Quartz high end, high accuracy watch in very good condition. Caliber 9256 was short lived, only 3 years, Daini developed twin quartz caliber, similar to Suwa 9943. Both use dual quartz to compensate for changes in temperature that affect accuracy. Both were rated at +/- 10 secs per year. This model was quite expensive in 1979 with a price tag of 85,000 yen. Case is sharp with mostly brushed finish and mirror polished accents. There are some small scratches here and there, but overall condition is very good. Integrated bracelet is off high quality and in great condition. Fits up to 17.5cm wrist. Light grey textured dial is flawless. Original clearlex crystal has no noticeable scratches Calendar has weekdays in Kanji and English. Watch has been completely disassembled and cleaned. New battery and rubber gaskets on crown, battery hatch and around the dial. SKU# S2363 Model 9256-8010 Movement Twin quartz Caliber 9256 Jewels Case Stainless steel Case size 37mm x 42mm Lugs Dial light grey textured Crystal original clearlex Bracelet original stainless steel 17.5cm Serial # 893233 Service July 23, 2026