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Vintage 1986 Seiko watch
Vintage 1986 Seiko watch
Regular price
$110.00 USD
Regular price
Sale price
$110.00 USD
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Vintage Seiko SQ Quartz Day/Date 5H23-7B79 — March 1986 — Classic Dress Watch
Up for sale is a beautiful, classic mid-1980s Seiko SQ (Seiko Quartz) dress watch, reference 5H23-7B79. Manufactured in March 1986 by Seiko's renowned Daini factory, this timepiece features a sharp retro profile that effortlessly bridges casual and formal wear.
Specifications
- Brand: Seiko
- Line: SQ (Seiko Quartz)
- Caliber-Case: 5H23-7B79
- Production Date: March 1986
- Movement: Japanese 3-Jewel Analog Quartz (highly reliable, dual motor layout)
- Complications: Day & Date window at 3 o'clock (Quick-set function)
- Dial: Classic analog display with applied silver/gold baton indices and the iconic raised metallic SEIKO logo
- Crystal: Vintage-accurate 30.0mm flat acrylic tension ring crystal (Part: 300T44AN) - light surface scratches that are only noticeable at the right angle/lighting.
- Case Size: ~35mm diameter (excluding crown) — perfect classic dress proportions
- Battery Type: Takes standard SR920SW / 371 - replace in September 2026
Currently sized to ~7.25” and can be expanded to ~7.75” and there is also room to remove links if needed.
