Seiko - Perpetual Calendar GMT Sport - 8F56-0090 seiko Brand Seiko Model Marvel Diashock

Brand Seiko Model Marvel Diashock REFERENCE 14012 (Case Reference) YEAR 1950s Japan MATERIAL Stainless-Steel WINDING Mechanical (Manual-Wound) CALIBER 560 (19 Jewels- Diashock) SERIAL 0131773 (From Case Back) SKU H1263 CASE SIZE WITHOUT CROWN 33mm - 35mm CASE SIZE WITH CROWN 36mm CASE THICKNESS Approx

a dual Kanji/English day-date wheel

Its technical soul is driven by the ultra-thin Caliber 9521 quartz movement

5mm (Ultra-Slim) BRACELET SIZE Approx

which signaled the height of modern convenience for the 1960s businessman

Seiko - Perpetual Calendar GMT Sport - 8F56-0090 seiko Brand Seiko Model Marvel Diashockhis remarkably engineered instrument is a high tech horological artifact from May 2000, as definitively confirmed by the serial number 050770 stamped on the heavy duty caseback. The reference houses the legendary Caliber 8F56 high accuracy quartz movement, operating at an astonishingly high frequency of 196,608 Hz to deliver a staggering factory accuracy rating of 20 seconds per year. Highly revered by collectors, this high end technical soul