Seiko 2P20-5A09 — Rectangular Gold-Tone Quartz, Circa 1980
Small watches are having a moment, and few do small better than Seiko’s early-1980s
dress line. The 2P20-5A09 checks every box: a cushion-rectangular case that splits
the difference between a tank and a tonneau, a two-tone dial that pairs a warm
champagne field against a cool slate-grey border, and arrow hands in matched gold-tone
that keep the face uncluttered. At roughly the width of a dime, it wears like jewelry.
Caseback is stamped BASE METAL / ST. STEEL BACK / 2P20-5A09 RO — the RO suffix
denoting rolled gold-tone finish over base metal, standard for this reference.
Specifications
- Reference: 2P20-5A09 RO (serial 596237)
- Movement: Seiko 2P20 quartz (Japan-made)
- Case: Base metal, gold-tone (rolled gold finish); stainless steel caseback
- Case Shape: Cushion rectangular / octagonal-chamfer
- Case Size: ~22 mm × 18 mm
- Dial: Two-tone — champagne center field, slate-grey concentric border ring; Arabic “12” at 12 o’clock; “SEIKO QUARTZ” printed below logo; applied dot indices
- Hands: Gold-tone arrow/dagger, 2-hand (hours and minutes)
- Bezel: Integrated gold-tone case, faceted edges
- Crystal: Mineral (Hardlex) — confirm clarity and scratch status
- Crown: Gold-tone, signed, at 3 o’clock position
- Bracelet/Strap: Original brown leather, white stitch, gold-tone tang buckle; 10 mm lug width
- Lug Width: ~10 mm
- Water Resistance: None rated — vintage dress piece, keep dry
- Origin: Japan
- Production Year: Circa 1980
Condition
Good vintage condition overall. The gold-tone case retains its finish with expected
light surface wear consistent with age; no deep gouges or plate loss visible in ../photos.
Dial presents cleanly with no moisture damage or spotting. Crystal appears clear —
confirm under loupe before shipping. Original leather strap is supple and intact with
normal age patina; no cracking or delamination visible.
Includes
Watch only.
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