Omega Speedmaster Speedmaster Professional Moonwatch Apollo-Soyuz 20th Anniversary

Reference 3691.50.31

Omega Speedmaster Professional Moonwatch Apollo-Soyuz 20th Anniversary

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

[WTS] Omega Speedmaster Professional (310.30.42.50.04.001)

Omega Speedmaster Professional (310.30.42.50.04.001)

Omega - 310.30.42.50.04.001 · $7,600
This Omega Speedmaster Professional features a white dial on a steel bracelet and comes with boxes, booklet, and warranty card dated 8/19/2025.

  • Condition: Excellent
  • Case Size: 42mm diameter
  • Bracelet Links: all links included
  • Movement: Manual Caliber 3861
Posted at
Apr 27, 2026, 6:57 AM
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[WTS] Incredible Vintage 18K Good Omega Speedmaster “Tribute To Astronauts” Ref BA145.022 Unpolished Collector Example!

Incredible Vintage 18K Good Omega Speedmaster “Tribute To Astronauts” Ref BA145.022 Unpolished Collector Example!

Omega - BA145.022 · $47,500
This is a rare and historic Omega Speedmaster 'Tribute to Astronauts' ref BA145.022-69, one of only 1014 made in 1969. It features an 18K gold dial, correct maroon bezel, and solid 18K yellow gold case with patina.

  • Condition: Excellent, unpolished with patina
  • Case size: 42MM
  • Diameter: 42MM case diameter
  • Bracelet length: 7.5 inches
Posted at
Apr 26, 2026, 10:23 PM
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[WTS] Omega Speedmaster Reduced 3510.21 Limited Edition (2,000 Pcs) Marui 39mm , B&P - $5,550

Omega Speedmaster Reduced 3510.21 Limited Edition (2,000 Pcs) Marui 39mm , B&P - $5,550

Omega - 3510.21 · $5,550
Up for sale is my Omega Speedmaster 3510.21 in great shape, measuring 39mm with an automatic movement.

  • Condition: Very good condition
  • Movement: automatic
  • Case size: 39mm diameter
  • Bracelet type: original Omega Steel bracelet
Posted at
Apr 26, 2026, 10:05 PM
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[WTS] Omega / Speedmaster date / Silver Dial / 40mm / Full Set

Omega / Speedmaster date / Silver Dial / 40mm / Full Set

Omega - 3211.30 · $3,500
This Omega Speedmaster features a silver dial, 40mm case size, and is part of the full set.

  • Condition: Excellent Condition
  • Water Resistance: unknown
  • Buckle Size: Fits 7.5"
  • Shipping Included: true
Posted at
Apr 26, 2026, 10:02 PM
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[WTS] Omega Speedmaster Racing - 329.30.44.51.01.001 - Box and Papers - Price Reduced

Omega Speedmaster Racing - 329.30.44.51.01.001 - Box and Papers - Price Reduced

Omega - 329.30.44.51.01.001 · $5,750
This Omega Speedmaster Racing Chronograph is a pre-owned model with a 44.25mm case size, featuring a chronograph function and minor wear throughout.

  • Condition: pre-owned with minor wear
  • Size: 44.25mm diameter
  • Bracelet material: stainless steel
Posted at
Apr 26, 2026, 8:39 PM
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[WTS] Omega Speedmaster Professional Moonwatch Hesalite Ref. 310.30.42.50.01.001 2022

Omega Speedmaster Professional Moonwatch Hesalite Ref. 310.30.42.50.01.001 2022

Omega - 310.30.42.50.01.001 · $5,550
A modern Omega Speedmaster Professional Moonwatch Hesalite with a classic vintage-inspired look and updated Co-Axial Master Chronometer movement, in the reference number 310.30.42.50.01.001.

  • Condition: good pre-owned condition
  • Movement type: Co-Axial Master Chronometer
Posted at
Apr 26, 2026, 7:32 PM
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[WTS] Omega Speedmaster Professional Moonwatch Ref. 310.30.42.50.01.001

Omega Speedmaster Professional Moonwatch Ref. 310.30.42.50.01.001

Omega - Ref. 310.30.42.50.01.001
  • Watch type: Speedmaster Professional Moonwatch
Posted at
Apr 26, 2026, 6:56 PM
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[WTS] Omega Speedmaster Racing Chronograph 44.25mm – BOX & PAPERS – 329.30.44.51.04.001 Active Warranty & Dec 2025 Service Records

Omega Speedmaster Racing Chronograph 44.25mm – BOX & PAPERS – 329.30.44.51.04.001 Active Warranty & Dec 2025 Service Records

Omega - 329.30.44.51.04.001 · $7,500
This Omega Speedmaster Racing Chronograph is a 44.25mm timepiece with additional details available upon request.

  • Case Size: 44.25mm diameter
  • Warranty: Active Warranty
Posted at
Apr 26, 2026, 5:22 PM
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[WTS] 2024 Omega Speedmaster Moonwatch – Full Set – $4850 Shipped

2024 Omega Speedmaster Moonwatch – Full Set – $4850 Shipped

Omega - 310.30.42.50.01.001 · $4,850
This is a 2024 Omega Speedmaster Moonwatch, an iconic timepiece in its latest Hesalite configuration.

  • Condition: Excellent with minor hairline scratches on the clasp
  • Case size: 42mm
  • Crystal type: Hesalite
  • Movement type: Manual-wind Co-Axial Master Chronometer
Posted at
Apr 26, 2026, 1:05 PM
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