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 Date 3210.50.00

Omega Speedmaster Date 3210.50.00

Omega - 3210.50.00 · $2,500.003
A pre-owned Omega Speedmaster Date with a date display, chronograph functions, and a stainless steel bracelet.

  • Condition: Excellent condition
  • Bracelet size: 7.5" wrist
  • Links removable: 7
Posted at
Jun 19, 2025, 7:06 PM
Active
[WTS] Omega Speedmaster Date 3210.50.00

Omega Speedmaster Date 3210.50.00

Omega - 3210.50.00 · $2,500
A Omega Speedmaster Date in good working order with a 7.5 inch wrist size and a removable bracelet.

  • Condition: Excellent
  • Bracelet length adjustment: 7 removable links
  • Wrist size compatibility: up to 7.5"
  • Features verified via video conference: true
Posted at
Jun 19, 2025, 6:33 PM
Active
[WTS] 1997 Omega Speedmaster 'Gemini V' LE of 150 PCS (Ref. 345.0022)

1997 Omega Speedmaster 'Gemini V' LE of 150 PCS (Ref. 345.0022)

Omega - 345.0022 · $7,999
The watch commemorates the Gemini V mission, featuring the NASA mission patch in the 9 o'clock sub-dial and is part of a limited release of 150 models. The case is 42mm and features an Omega 1499 bracelet with 842 end pieces.

  • Condition: Excellent/like new
  • Case size: 42mm
  • Bracelet type: Omega 1499 with 842 end pieces
  • Box and papers included: Original inner/outer boxes and booklets
Posted at
Jun 19, 2025, 6:32 PM
Active
[WTS] Omega Speedmaster Reduced Date Annual Calendar Chronograph Silver Dial (Papers/Mint)

Omega Speedmaster Reduced Date Annual Calendar Chronograph Silver Dial (Papers/Mint)

Omega - 3521.30.00 · $2,300
The Omega Speedmaster Reduced Triple Calendar features a compact stainless steel case, silver dial, and automatic movement with chronograph, day, date, and month functions.

  • Condition: mint, minimal signs of wear
  • Case size: 39mm diameter
  • Bracelet size: fits wrists up to 7.5” (19.5 cm)
  • Movement: automatic
Posted at
Jun 19, 2025, 2:22 PM
Active
[WTS] Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 Complete Set 2021

Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 Complete Set 2021

This Omega Speedmaster Moonwatch - Dark Side of the Moon - Apollo 8 is a 2021 model featuring a unique design.

  • Condition: Very Good
  • Year: 2021
  • Warranty: Factory warranty
  • Contents: Watch, Inner & Outer Box, International Warranty Card, Pictograms Card, Operating Instructions Manual, Omega Watch Cloth
Posted at
Jun 19, 2025, 1:58 PM
Active
[WTS] Omega Speedmaster 3511.50

Omega Speedmaster 3511.50

Omega - 3511.50 · $1,700
Up for sale is my Omega Speedmaster date ref 3511.50, a Japan exclusive model with excellent timekeeping and highly reliable ETA7750 movement.

  • Condition: Great condition
  • Movement: ETA7750
  • Bracelet size compatibility: up to 7 inches
Posted at
Jun 19, 2025, 10:08 AM
Active
[WTS] Open Card Omega Speedmaster Dark Side Of The Moon 311.92.44.30.01.001 - Mint Condition With Box and Papers

Open Card Omega Speedmaster Dark Side Of The Moon 311.92.44.30.01.001 - Mint Condition With Box and Papers

Omega - 311.92.44.30.01.001 · $55,000
This Omega Speedmaster Dark Side Of The Moon is a highly sought-after model, known for its unique design and technical capabilities.

  • Condition: Mint condition
  • Box: Yes, comes with box
  • Papers: Yes, comes with papers
Posted at
Jun 19, 2025, 9:30 AM
Active
Pre-Owned Omega Speedmaster Pilot 332.10.41.51.01.002

Pre-Owned Omega Speedmaster Pilot 332.10.41.51.01.002

Omega - 332.10.41.51.01.002 · $9,299.009
This pre-owned Omega Speedmaster Pilot is a stainless steel watch with a black dial and automatic movement. It has a 41mm case size and water resistance of up to 100 meters.

  • Condition: 96% condition with faint marks on the sides and back of the case, 93% condition for the bracelet, and 97% condition for an OEM strap
  • Material: Stainless Steel
  • Dial color: Black
  • Case size: 41mm diameter
Posted at
Jun 18, 2025, 10:00 PM
Active
[WTS] Omega Speedmaster Hesalite 3861 with quick adjust bracelet

Omega Speedmaster Hesalite 3861 with quick adjust bracelet

Omega - 3861 · $4,650
This Omega Speedmaster Hesalite 3861 is in excellent condition, featuring a quick adjust bracelet and minimal wear. It comes with the full kit, including warranty cards, spare links, paperwork, and an original sales receipt.

  • Condition: Excellent
  • Crystal type: Hesalite
  • Bracelet type: Quick adjust
  • Movement accuracy: +0 to +5 seconds per day
Posted at
Jun 18, 2025, 9:02 PM
Active