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] 2025 Omega Speedmaster “First Omega in Space” FOIS – 39.7mm – Grey-Blue Dial – Leather Strap – Ref. 310.32.40.50.06.001 – Complete Set – $7,200 +🚢

2025 Omega Speedmaster “First Omega in Space” FOIS – 39.7mm – Grey-Blue Dial – Leather Strap – Ref. 310.32.40.50.06.001 – Complete Set – $7,200 +🚢

The Omega Speedmaster “First Omega in Space” FOIS is a leather strap variant, designed to tribute the CK 2998, with a grey-blue CVD-coated dial and vintage Super-LumiNova indices. This reference honors Walter Schirra’s Speedmaster worn on the Mercury Sigma 7 mission in 1962.

  • Condition: Excellent
  • Case size: 39.7mm
  • Water resistance: 50m depth rating
  • Movement: Co-Axial Master Chronometer Cal. 3861, METAS certified, 15,000 gauss anti-magnetic
Posted at
May 13, 2026, 9:21 PM
Active
[WTS] 2025 OMEGA Speedmaster Moonwatch Professional White on Black Rubber Deployant 310.32.42.50.04.001 Full Set

2025 OMEGA Speedmaster Moonwatch Professional White on Black Rubber Deployant 310.32.42.50.04.001 Full Set

A 2025 Omega Speedmaster Moonwatch Professional with a white lacquered dial, presented on a black rubber strap with a deployant buckle.

  • Condition: Pristine pre-owned condition, minor wear on case back and clasp
  • Case size: 42mm
  • Case thickness: 13.2mm
  • Movement: Manual-Winding Co-Axial Master Chronometer Calibre 3861 (METAS certified)
Posted at
May 13, 2026, 2:35 PM
Active
[WTS] Omega Speedmaster - 311.92.44.51.01.007 (Dark Side of the Moon)

Omega Speedmaster - 311.92.44.51.01.007 (Dark Side of the Moon)

The Dark Side of the Moon is a limited edition Omega Speedmaster reference 311.92.44.51.01.007.

  • Model name: Dark Side of the Moon
Posted at
May 13, 2026, 2:02 PM
Active
[WTS] OMEGA Speedmaster Moonwatch 3861 Sapphire Sandwich - Very Good Condition - Watch Only on Hirsch Robby Sailcloth - ONLY $4999 SHIPPED CONUS

OMEGA Speedmaster Moonwatch 3861 Sapphire Sandwich - Very Good Condition - Watch Only on Hirsch Robby Sailcloth - ONLY $4999 SHIPPED CONUS

This OMEGA Speedmaster Moonwatch is for sale, a well-cared-for timepiece that runs perfectly and comes with a worn Hirsch Robby sailcloth strap. The watch has been well-maintained and shows minimal signs of wear.

  • Condition: Very Good Condition
  • Strap Material: sailcloth
  • Case Back: sapphire
Posted at
May 13, 2026, 10:13 AM
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. It comes with the hangtag and an open warranty card.

  • Condition: excellent condition for its age
  • Case Size: 39mm diameter
  • Case Material: stainless steel
  • Bracelet Material: stainless steel
Posted at
May 13, 2026, 8:25 AM
Active
[WTS] Omega Speedmaster 3523.80 39mm - $1,750

Omega Speedmaster 3523.80 39mm - $1,750

Omega - 3523.80 · $1,750
Up for sale is my Omega Speedmaster 3523.80 39mm, an automatic caliber Omega 1151 movement in a steel case on original Omega steel bracelet.

  • Condition: Great condition with minimal hairlines/marks on case, caseback, and bracelet
  • Caliber: Omega 1151 movement
  • Case size: 39mm diameter
  • Bracelet length adjustment: up to 7-7.25 inch wrists
Posted at
May 13, 2026, 4:06 AM
Active
[WTS] Omega. Speedmaster. Reverse Panda. Box and Papers. $1999 Massive Reduction!!

Omega. Speedmaster. Reverse Panda. Box and Papers. $1999 Massive Reduction!!

This Omega Speedmaster Reverse Panda is a high-end watch featuring a unique reverse panda dial. It comes complete with its original box, papers, and warranty.

  • Condition: 7.75/10, has wear around bezel and some flea bites on crystal
  • Bracelet length: ~20 links to fit 7inch wrist
  • Condition rating: 7.75/10
Posted at
May 12, 2026, 9:13 PM
Active
[WTS] Omega Speedmaster 18mm Bracelet Only OEM

Omega Speedmaster 18mm Bracelet Only OEM

Omega - 3513.50 · $399
This listing is for an Authentic Omega 18mm bracelet from a Speedmaster date 3513.50, suitable for small to medium sized wrists.

  • Bracelet type: OEM
  • Links: 19 links
  • Wrist size range: small to medium
Posted at
May 12, 2026, 6:31 PM
Active
[WTS] 2026 New White Omega Speedmaster, $8k

2026 New White Omega Speedmaster, $8k

Omega - Speedmaster · $8,000
2026 New White Omega Speedmaster for sale. Additional details can be found at the provided Imgur link.

  • Year: 2026
  • Color: white
Posted at
May 12, 2026, 5:21 PM
Active