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Seiko 2C20-5840 | Gold-Tone Octagonal Quartz Dress Watch | c.1984 | Pre-Owned

$83.00

A petite 1980s Seiko quartz dress watch in a faceted octagonal tonneau case — all gold-tone with a champagne linen dial, Roman XII, and blued-jewel center seconds hand. Runs well. Ribbed expansion bracelet intact; honest plating wear adds character without obscuring the piece.

Seiko 2C20-5840 | Gold-Tone Octagonal Quartz Dress Watch | c.1984

Early-1980s Seiko formal dressing at its most restrained. The 2C20-5840 pairs a chamfered
octagonal tonneau case with a quietly textured champagne dial — just a single Roman numeral at
twelve, applied baton indices, and a pair of pencil-thin gold hands anchored by a blued jewel.
No seconds subdial, no date, no noise. The integrated ribbed expansion bracelet keeps the
silhouette sleek and period-correct. Sized for a small wrist, it reads as a considered choice
rather than a casual accessory.

Specifications

  • Reference: 2C20-5840 RO
  • Movement: Seiko Cal. 2C20 — analog quartz, Japan
  • Case: Base metal, gold-tone plated; stainless steel caseback
  • Case Shape: Octagonal tonneau
  • Dial: Champagne linen texture; single Roman numeral XII; applied gold baton indices; gold-tone hands; blued jewel at center
  • Bezel: Polished gold-tone, faceted octagonal
  • Bracelet: Integrated ribbed gold-tone expansion bracelet
  • Crystal: Mineral glass (verify condition)
  • Water Resistance: Not rated — vintage dress watch
  • Origin: Japan
  • Production: circa 1984

Condition

Good vintage. Plating wear is visible on case edges and corners — honest age for a ~40-year-old
dress piece. Dial shows light aging consistent with era; no cracks or missing indices. Bracelet
retains its spring and sits flush. Crystal has minor surface scuffs visible under raking light.
Movement runs; keeping time.

Includes

Watch only.

Weight 2 oz
Dimensions 5 × 4 × 2 in
Brand

Seiko

Reference

2C20-5840

Movement Type

Quartz

Complications

None

Case Material

Base metal, gold-tone plated; stainless steel caseback

Case Shape

Octagonal tonneau

Case Size

~24mm (verify with calipers)

Dial Color

Champagne

Crystal

Mineral glass

Strap

Gold-tone ribbed expansion bracelet (integrated)

Lug Width

verify with calipers

Country of Origin

Japan

Production Year

c.1984

Condition

Good — vintage wear, running

Includes

Watch only

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