Vintage 1986 Seiko SQ100 men’s quartz wristwatch, reference 5H23-8010 A4, featuring a black dial, day/date display and original stainless-steel Seiko bracelet.
Serial number 610443 dates this example to January 1986, placing it firmly within Seiko’s classic mid-1980s quartz era.
Features include: • Seiko SQ100 • Reference 5H23-8010 A4 • Serial 610443 • January 1986 production • Quartz movement • Black dial • Day/date display • Stainless-steel case and bracelet • Signed Seiko clasp • 100M / 10 Bar water-resistance marking • Seiko presentation box included
The watch is listed as Used and shows visible surface scratches, handling marks and age-related wear to the case and bracelet. Please inspect all photographs carefully for exact cosmetic condition.
Due to the age of the watch, no guarantee is made regarding current water resistance despite the original 100M / 10 Bar marking.
A very appealing surviving example of the Seiko SQ100 5H23-8010 with strong 1980s styling and collector appeal.