While round cases dominated the early 1980s, Seiko released a select number of avant-garde designs that have now become highly sought-after by vintage collectors. This rarely-seen Seiko SQ 100 is a prime example of that era's experimental aesthetics, featuring a striking integrated octagonal case that draws clear inspiration from the iconic "Genta-style" angular designs. Produced in November 1982, this timepiece represents the peak of Seiko’s early quartz dominance, where high-end movements were paired with robust, architectural case designs meant to rival traditional luxury Swiss sport watches.
The Model & Rarity: The scarcity of this specific reference lies in its unique case geometry and its positioning within the SQ 100 line. Unlike the more common rounded versions, the 8070 reference boasts a sharp, faceted bezel and a seamless transition from the lugs, creating a powerful presence on the wrist. Inside, it is powered by the reliable, jewel-decorated Seiko 6923 in-house quartz calibre, featuring a practical Day-Date function. The sunburst "sand" dial, combined with its 100m water resistance rating (10 ATM), makes it a versatile daily driver with a distinct vintage personality. Finding this reference today, especially with its sharp case edges preserved, is a rare opportunity for any serious Seiko enthusiast or collector.
Case:
o All in stainless steel with minor marks serial 2N1687
o Fine condition with strong geometry
o 39mm without crown / 42mm lug to lug / 8mm thickness / 18mm lug width
Movement:
o Quartz seiko day&date (in spanish and english) cal 8070 - Serviced by watchmaker in March 2026 by watchmaker
Dial:
o Silver in good condition
Bracelet Material:
o All in stainless steel generic (not seiko) - maximum wrist 19cm
Condition:
A rare Seiko guitar from 1982, with an attractive case design, in good working order.
please see photos as they are part of the description.
No box or papers, no water proof test, sold as is, any question feel free for ask...
Keep in mind that it is a vintage watch, it is normal to be 1/2 minute early or late
wrist-treasure
