[WTS] Seiko Chronograph "UFO" (Ref. 6138-0017)

Seiko Chronograph "UFO" (Ref. 6138-0017)

Seiko - 6138-0017 · $1,050
The Seiko 6138-0017 UFO Chronograph is a 1970s timepiece with a distinct race-inspired aesthetic featuring a large, rounded case and asymmetric sub-dials.

  • Condition: Excellent (dial) Very Good (case)
  • Movement: 6138
  • Case size: 44mm diameter
  • Material: Stainless steel
Posted at
May 21, 2026, 10:02 AM
Active
[WTS] Seiko Chronograph "UFO" (Ref. 6138-0017)

Seiko Chronograph "UFO" (Ref. 6138-0017)

Seiko - 6138-0017 · $1,050
The Seiko 6138-0017 UFO Chronograph features a distinct race-inspired aesthetic with its large, rounded case and asymmetric sub-dials. This timepiece was produced in the 1970s.

  • Condition: Excellent (dial) / Very Good (case)
  • Movement: 6138
  • Case diameter: 44mm
  • Material: Stainless steel
Posted at
May 14, 2026, 4:12 PM
Active
[WTS] Seiko 6138-0017 “UFO” Chronograph (repost/reduce)

Seiko 6138-0017 “UFO” Chronograph (repost/reduce)

Seiko - 6138-0017 · $500
A Seiko 6138-0017 'UFO' automatic two-register chronograph from February 1973. This watch is big at 44mm but wears well and features a strong power reserve.

  • Condition: Very good working condition with minor functional quirks
  • Case diameter: 44mm
  • Bracelet size: adjustable to fit 7.25inch wrist
  • Bracelet links available: false
Posted at
Jan 16, 2026, 10:50 AM
Sold
[WTS] 🛸Seiko 6138-0017 UFO/Yachtsman automatic chronograph 👽

🛸Seiko 6138-0017 UFO/Yachtsman automatic chronograph 👽

Seiko - 6138-0017 · $550
A 44mm automatic two-register chronograph from February 1973 with correct chrono functions and strong power reserve. Includes original signed bracelet, papers, and a later Seiko box.

  • Condition: Pre-owned with minor issues (second hand resets slightly past top)
  • Bracelet Size: sized for 7.25" wrist
  • Adjustment Holes Left: a few adjustment holes left on bracelet
  • Power Reserve: strong power reserve
Posted at
Jan 8, 2026, 10:58 AM
Expired
1972 Seiko UFO Chronograph Ref 6138-0017

1972 Seiko UFO Chronograph Ref 6138-0017

Seiko - 6138-0017 · $600
This Seiko UFO Chronograph features a stainless steel case and black dial with silver sub-dials and a day/date window. The chronograph automatic movement powers the watch.

  • Condition: Pre-owned, consistent with the age of the watch
  • Case size: 44mm diameter
  • Movement: chronograph automatic 6138B
Posted at
Feb 8, 2025, 2:01 PM
Expired