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

[WTS] Omega Speedmaster Alaska Project 2008, $22k

Omega Speedmaster Alaska Project 2008, $22k

This Omega Speedmaster Alaska Project 2008 is being sold with its original box, warranty, and manuals. It was mostly worn on a NATO strap, leaving the bracelet largely unworn.

  • Condition: Preowned
  • Shipping: free for USA, additional cost for bulkier/heavier boxes
  • Payment methods: Wire or Credit Card (+4.9% & 4 days clearance)
  • Condition of bracelet: largely unworn
Posted at
May 21, 2026, 11:07 AM
Active
[WTS] Omega Speedmaster Triple Date Blue Sunburst Dial Ref. 3523.80.00 | $2,299 Shipped

Omega Speedmaster Triple Date Blue Sunburst Dial Ref. 3523.80.00 | $2,299 Shipped

This Omega Speedmaster Triple Date features a deep sunburst blue dial, steel tachymeter bezel, and full triple-calendar layout.

Posted at
May 21, 2026, 11:05 AM
Active
[WTS] Omega Speedmaster Date Chronometer 3212.80.00 Blue Dial | Full Set, Fresh Service | $2,599 Shipped

Omega Speedmaster Date Chronometer 3212.80.00 Blue Dial | Full Set, Fresh Service | $2,599 Shipped

Omega - 3212.80.00 · $2,599
A Speedmaster Date Chronometer with a blue dial, this listing mentions it is full set and has been recently serviced.

  • Dial color: blue
  • Service status: fresh service
Posted at
May 21, 2026, 10:37 AM
Active
[WTS] OMEGA Speedmaster Date 40mm 18k Bezel Full Kit

OMEGA Speedmaster Date 40mm 18k Bezel Full Kit

Omega Speedmaster Date in good condition, 40mm steel/yellow gold case.

  • Condition: good
  • Material: steel/yellow gold
  • Case diameter: 40mm
Posted at
May 21, 2026, 10:34 AM
Active
[WTS] Omega Speedmaster Professional Moonwatch 310.30.42.50.01.002 Sapphire Sandwitch

Omega Speedmaster Professional Moonwatch 310.30.42.50.01.002 Sapphire Sandwitch

The Omega Speedmaster Professional Moonwatch, also known as the Sapphire Sandwich, features a timeless black dial and is powered by the updated Omega Caliber 3861 Master Chronometer movement.

  • Condition: Excellent pre-owned condition
  • Case size: 42mm diameter
  • Dial color: black
  • Crystal type: sapphire (front & exhibition caseback)
Posted at
May 21, 2026, 2:09 AM
Active
[WTS] Omega Speedmaster Racing White Dial 329.33.44.51.04.001 Co-Axial Master Chronometer Full Set $7495

Omega Speedmaster Racing White Dial 329.33.44.51.04.001 Co-Axial Master Chronometer Full Set $7495

The Omega Speedmaster Racing Master Chronometer features a white 'racing dial' and is powered by the Caliber 9900 Co-Axial Master Chronometer movement.

  • Condition: Excellent, pre-owned with light wear consistent with careful use
  • Case diameter: 44.25mm
  • Depth rating: 50m
  • Movement: Omega Caliber 9900 (Master Chronometer certified)
Posted at
May 20, 2026, 7:16 PM
Active
[WTS] Omega Speedmaster Date (3513.30)

Omega Speedmaster Date (3513.30)

Omega - 3513.30 · $2,425
This Omega Speedmaster date features a silver dial on a steel bracelet, produced from 1998-2010.

  • Condition: excellent for its age
  • Case size: 39mm diameter
  • Case material: stainless steel
  • Bracelet material: stainless steel
Posted at
May 20, 2026, 7:04 AM
Active
[WTS] Omega Speedmaster Date 3211.30 40mm   - $1,890

Omega Speedmaster Date 3211.30 40mm - $1,890

Omega - 3211.30 · $1,890
Up for sale is the Omega Speedmaster 3211.30 in great condition with an automatic movement, measuring 40mm in diameter. The watch has a steel bezel with some light marks/scratches/dents.

  • Condition: great condition for its age with minimal marks/hairlines
  • Case Size: 40mm diameter
  • Bracelet Length: fits up to 7-7.25 inch wrists
  • Movement: automatic Omega Calibre 1164
Posted at
May 19, 2026, 9:27 PM
Active
[WTS] Omega Speedmaster 5313.33

Omega Speedmaster 5313.33

Omega - 5313.33 · $2,500
For sale today is an Omega Triple Date ref. 5313.33 in great pre-owned condition with international warranty card.

  • Condition: Pre-owned, great condition with light wear throughout the case, bracelet, and clasp consistent with age
  • Water Resistance: 30m
Posted at
May 19, 2026, 5:02 PM
Active