A watch that captures the quiet confidence of late 1980s Japan — the Seiko SQ 100 Ref. 7N43-801M pairs timeless simplicity with the precision and reliability of Seiko’s quartz craftsmanship.
The silver sunburst dial reflects light beautifully, giving off a subtle metallic glow under natural light. Its minimalist design, framed by a brushed stainless-steel case and paired with the original Seiko bracelet, creates a look that’s refined, balanced, and effortlessly wearable.
Powered by Seiko’s dependable 7N43 quartz calibre, this model offers both day and date display with quick-set functionality — a hallmark of Seiko’s engineering excellence from the period that redefined modern watchmaking. Measuring 36mm (including crown), it wears with perfect versatility and everyday comfort.
Every component remains 100% original — dial, hands, crystal, case, and bracelet — preserved in excellent vintage condition.
A clean and understated expression of Seiko’s quartz design era — minimal, durable, and quietly elegant.
Reference: Seiko SQ 100 7N43-801M
Year: 1980s
Movement: Seiko 7N43 Quartz (Day-Date Quickset)
Case Diameter: 36mm (including crown)
Case Material: Stainless steel
Bracelet: Original Seiko stainless-steel bracelet
Dial: Silver sunburst with black indices and hands
Crystal: Hardlex mineral
Condition: Excellent, all original parts
Country of Manufacture: Japan
This example is in excellent vintage condition throughout, showing only light signs of careful wear consistent with age.
The silver dial remains bright and clean, the indices sharp, and the hands pristine. The case retains its original brushing, and the bracelet wears comfortably with minimal stretch.
A refined, reliable Seiko from the brand’s golden quartz era — fully verified and tested by Vintage Watch HQ.
Tracked & insured UK delivery.
