Seiko 1F20-5040 | Rectangular Quartz | Blue-Black Dial | Two-Tone Case
There’s a quiet confidence to the Seiko rectangular quartz of the late 1980s that mainstream
dress watches rarely match at any price. The 1F20-5040 delivers it without pretense: a deep
blue-black lacquered dial, gold-tone baton indices, and a two-tone case that splits the difference
between sport and formal. The Seiko caliber 1F20 — slim, accurate, and utterly unfussy — has
been keeping time reliably for decades and has no intention of stopping. Dressed on a fresh
hand-stitched brown leather strap, this piece is ready to wear today.
Specifications
- Reference: 1F20-5040
- Movement: Seiko Caliber 1F20 — 2-hand quartz
- Case: Base metal, gold-tone finish; stainless steel caseback; rectangular profile
- Dial: Deep blue-black lacquer; gold-tone baton hour indices; silver-tone hands; “SEIKO QUARTZ” printed at 12
- Bezel: Two-tone — gold-tone outer, polished silver inner ring
- Bracelet/Strap: Aftermarket brown leather with contrast stitching; gold-tone pin buckle
- Crystal: Acrylic
- Water Resistance: Not rated — vintage piece, water exposure not recommended
- Origin: Japan
Condition
Good vintage condition consistent with age. The acrylic crystal shows light surface wear; the dial
is intact with original finish and no missing indices. Case carries expected patina on the gold-tone
surfaces — no deep gouges. Fresh aftermarket leather strap installed. Movement functions normally.
Includes
Watch only.



















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