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

2023 Omega Speedmaster Professional Moonwatch Sapphire 310.30.42.50.01.002
A personal Omega Speedmaster Professional Moonwatch with Sapphire crystal in excellent condition, worn only a few times.
- Condition: Excellent
- Year Purchased: 2024
- Warranty Remaining Years: 3
- Included Accessories: Outer/Inner Box,Warranty Cards,Booklets/Manual,Links
Omega Tokyo Olympics 'Yellow Ring' Speedmaster 522.20.42.30.01.001
This Omega Speedmaster Tokyo Olympics 'Yellow Ring' features a unique design and is in good condition, with watch and box included.
- Condition: Good condition all around
- Shipping: Free shipping within the US, possible options for overseas shipping

Omega Speedmaster FOIS 31030405006001 First Omega In Space 2024 Soleil Blue
A 2024 Omega Speedmaster FOIS in Soleil Blue, purchased at an Omega Boutique and sized to a 7 inch wrist.
- Condition: Pre-owned, lightly worn
- Purchase Year: 2024
- Warranty: No mention of warranty
Omega Speedmaster Triple Date Calendar Moonphase 18k Ref. 175.0034
Omega's Speedmaster Day-Date Moonphase features a white dial, chronograph, date, day, and moon phase functions in an 18K yellow gold case with a size of 39mm.
- Condition: 90%
- Case material: 18K Yellow Gold
- Movement type: Mechanical Automatic
2021 OMEGA Speedmaster Racing - 326.30.40.50.01.001326.30.40.50.01.001
A 2021 OMEGA Speedmaster Racing, featuring a 40mm stainless steel case with scratch-resistant sapphire crystal and 100m water resistance.
- Condition: Like New
- Case Size: 40mm diameter
- Material: stainless steel
- Crystal: scratch-resistant sapphire crystal

Omega Speedmaster Racing - White Dial - 329.30.44.51.04.001 ( new / 2025 )
This Omega Speedmaster Racing Master Co-Axial features a white dial and stainless steel case.
- Condition: Brand new
- Case size: 44.25mm
- Movement type: Master Co-Axial 9900 Chronometer
Omega Speedmaster Professional Man on The Moon 3572.50
This Omega Speedmaster Professional Man on the Moon watch is approximately 20 years old, featuring nice patina hour markers and an open case back to view the manual wind movement.
- Age: around 20 years
- Case size: 42mm diameter
- Box included: true

Omega SPEEDMASTER PROFESSIONAL MOONWATCH 3861 SAPPHIRE 2023 COMPLETE SET
A 42mm stainless steel Omega Speedmaster Professional Moonwatch with a 3861 movement and sapphire crystals, purchased from an authorized dealer in 2023.
- Condition: Excellent Condition
- Movement: Manual-Winding Chronograph 3861 with Co-Axial Escapement
- Case size: 42mm
- Crystals: Sapphire Crystals

>>ReDuCeD<< OMEGA SPEEDMASTER PROFESSIONAL PRE-MOON 145.022-69
This is a pre-moon Omega Speedmaster Professional with calibre 861, featuring a 42mm diameter case and generic tan strap.
- Condition: Good vintage condition
- Movement: Omega calibre 861
- Case size: 42mm in diameter
- Serial number: 29 million from 1970