Omega Speedmaster Speedmaster Professional Moonwatch Apollo-Soyuz 20th Anniversary

Reference 3691.50.31

About this watch

The Omega Speedmaster Professional Moonwatch Apollo-Soyuz 20th Anniversary is a rare and luxurious timepiece that blends history with exceptional craftsmanship. Crafted from yellow gold, this watch boasts a closed case back, sapphire glass, and a hand-wound movement, the Omega caliber 1863. Its chronograph functionality allows for accurate elapsed time measurement, while its water resistance rating of up to 50 meters ensures durability. The classic black dial with stick and dot indexes ensures readability, and the combination of gold accents creates a striking contrast. With only 200 units produced, this limited edition piece is a coveted collector's item that captures the essence of what a luxury watch should be.
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Key Features

  • Yellow Gold Case
  • Sapphire Glass
  • Omega Caliber 1863 Hand-Wound Movement
  • Chronograph Functionality
  • Water Resistance up to 50 Meters
  • Limited Edition Piece (200 units produced)
  • Luxurious Yellow Gold Design

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch Apollo-Soyuz 20th Anniversary
Reference
3691.50.31
Movement
1863
Movement Features
  • Hours, Minutes, Small Seconds
  • Chronograph
Case
Yellow Gold 42mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
50

Current Listings

Omega Speedmaster Mark II / Mark 2 145.014 Vintage

Omega Speedmaster Mark II / Mark 2 145.014 Vintage

Omega - 145.014 · $2,975.003
Early Speedmaster Mark 2 from 1970 in all original condition with no evidence of polishing or touching up. Hands and dial are in great shape with clean and consistent lume.

  • Condition: All original condition with hairline scratches on case, one gouge on bracelet.
  • Case size: 40mm diameter
  • Bracelet size: 6.9 inches
  • Bracelet type: 1158
Posted at
May 1, 2025, 11:48 AM
Active
[WTS] Omega Speedmaster Dark Side of the Moon “Apollo 8” Slider

Omega Speedmaster Dark Side of the Moon “Apollo 8” Slider

This Omega Speedmaster Dark Side of the Moon 'Apollo 8' is a limited edition timepiece that honors the historic Apollo 8 mission, with a laser-ablated blackened movement and skeletonized dial. The watch features a manual-winding Caliber 1869 movement and is made from ultra-light and scratch-resistant black ceramic.

  • Condition: MINT
  • Case Material: black ceramic
  • Diameter: 44.25mm
  • Movement Type: manual-winding
Posted at
May 1, 2025, 10:41 AM
Active
[WTS] Omega Speedmaster premoon 105.012- 66CB Serviced

Omega Speedmaster premoon 105.012- 66CB Serviced

Omega - 105.012- 66CB · $8,900
This pre-moon Speedmaster features an original dial with tritium intact and a great bezel with minimal wear. The case has sharp edges and clear polished and brushed parts.

  • Condition: Serviced, good condition with original parts and slight wear on the dial and hands
  • Movement: 321 movement
  • Caseback: Spiralwinder display caseback
Posted at
May 1, 2025, 9:11 AM
Active
[WTS] New 2025 Omega Speedmaster Moonwatch Professional Hesalite Black Dial Full 4/25 Ref: 310.30.42.50.01.001

New 2025 Omega Speedmaster Moonwatch Professional Hesalite Black Dial Full 4/25 Ref: 310.30.42.50.01.001

This Omega Speedmaster Moonwatch Professional features a black lacquered dial and is powered by the manual-winding 3861 movement.

  • Condition: 10/10, Unworn with stickers
  • Movement: Manual wind
  • Diameter: 42mm
  • Water resistance: 50M
Posted at
May 1, 2025, 9:01 AM
Active
[WTS] Omega Speedmaster Apollo 17 45th Anniversary (2-yr warranty) Ref: 311.30.42.30.03.001

Omega Speedmaster Apollo 17 45th Anniversary (2-yr warranty) Ref: 311.30.42.30.03.001

The Omega Speedmaster Apollo XVII is a limited edition timepiece commemorating the 45th anniversary of the final moon landing in 1972. This watch features a polished blue ceramic bezel with tachymeter scale, a dial with 18K yellow gold indexes and hour-minute hands coated in Super-LumiNova, and an engraved caseback.

  • Condition: Very good
  • Case size: 42mm
  • Water resistance: 50 meters / 167 feet
  • Movement: Manual-Winding Chronograph
Posted at
May 1, 2025, 8:44 AM
Active
[WTS] Omega Speedmaster Automatic Triple Calendar Chronograph 3220.50 $2199

Omega Speedmaster Automatic Triple Calendar Chronograph 3220.50 $2199

Omega - 3220.50 · $2,199
A beautiful Omega Speedmaster 3220.50 Triple Calendar Chronometer Chronograph with a 40mm steel case and Valjoux 7751 based automatic movement.

  • Case size: 40mm
  • Movement: Valjoux 7751 based automatic
  • Crystal coating: AR coated sapphire
Posted at
May 1, 2025, 5:41 AM
Active
[WTS] Omega Speedmaster Moonwatch White Dial (310.30.42.50.04.001)

Omega Speedmaster Moonwatch White Dial (310.30.42.50.04.001)

This Omega Speedmaster Moonwatch features a white dial and is sold with its original boxes, papers, warranty card, pictogram card, and Master chronometer certificate.

  • Condition: Mint condition
  • Accessories included: boxes, papers, warranty card, pictogram card, Master chronometer certificate
Posted at
Apr 30, 2025, 10:55 PM
Active
[WTS] Omega Speedmaster Reduced Two Tone

Omega Speedmaster Reduced Two Tone

Omega - 3714.20.80 · $2,500
A rare two-tone Omega Speedmaster Reduced, in overall good condition for its age, with a white dial and 18k gold bezel.

  • Condition: good condition with some wear on the case and bezel
  • Movement: Cal 1140
  • Size: 39mm diameter
  • Case material: two tone
Posted at
Apr 30, 2025, 8:55 PM
Active