Seiko SQ Datejust 5Y23-8A60 Roman DIal Quartz 1990 Watch 1995 featuring the Seiko Cal

featuring the Seiko Cal

Nivada's profits continued to decline as quartz watches dominated the market

allowing smooth adjustments of both time and day/date

this Vintage Seiko Chronos Watch is a perfect example of that

Twin-Quartz means the caliber has a dual-quartz crystals at 32 KHz + 40 KHz - this is making the ±20 seconds/year accuracy possible

Seiko SQ Datejust 5Y23-8A60 Roman DIal Quartz 1990 Watch 1995 featuring the Seiko CalBeautiful Seiko SQ watch reference 5Y23 8A60 intended for the export market in a bi color version, very similar to a datejust case with gold colored fluted bezel and white dial with Roman hour markers. Watch was produced in the Daini factory, as can be seen by the Daini lighting bolt on the case back and at 6 o'clock on the dial. SQ stands for Seiko Quartz and was intended for the export market outside Japan, where in the 1990s this was a popular