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 - Dark Side of the Moon - 311.92.44.51.01.007 ( new / 2025 )
Up for sale is a brand new Omega Speedmaster Moonwatch Dark Side of the Moon / DSOM with Titanium Deployment Clasp, reference # 311.92.44.51.01.007 It comes complete with all boxes, papers, booklets, hang tag and Omega Warranty Card dated April 2025.
- Condition: Brand New
- Case material: Ceramic
- Case size: 44.25mm
- Movement type: Omega Co-Axial Calibre 9300
Omega Speedmaster Moonwatch Professional Co-Axial Master Chronometer Chronograph 42mm 310.30.42.50.04.001
This Omega Speedmaster Moonwatch Professional is a modern version of the classic chronograph, featuring a 42mm steel case and a sapphire crystal.
- Condition: Like New/Unworn
- Case material: Steel
- Bracelet material: Steel
- Crystal material: Sapphire
![[WTS] Omega Speedmaster X-33 *Full Service 6/25*](https://external-preview.redd.it/gL47Twey7_Z8nbIvzhhYnObVKaCPG9y9SA7pl8aG25I.jpeg?auto=webp&s=764dbed31f9423c6e2091f654be06d642ec7c52b)
Omega Speedmaster X-33 *Full Service 6/25*
This Omega Speedmaster X-33 is a recent service with a complete overhaul, making it ready to wear and backed by a 2-year warranty from Omega.
- Condition: pristine condition
- Service Date: 6/25
- Warranty Expires: 6/4/2025
Omega Speedmaster Tuetonic - Black dial (in UK)
This Omega Speedmaster Teutonic features a black dial, manual wind movement, and an integrated bracelet. The watch has a case width of 45mm and a thickness of 12.5mm.
- Condition: Good condition for age, with some scratches and minor wear
- Case Width: 45mm
- Bezel Diameter: 39mm
- Lug To Lug Width: 46mm
![[WTS] Omega Speedmaster Moonwatch Professional 311.30.42.30.01.006 - Box & Papers](https://preview.redd.it/32fw5srema7f1.jpeg?auto=webp&s=78c60453519792365c7d5c9a561b9f2331828b72)
Omega Speedmaster Moonwatch Professional 311.30.42.30.01.006 - Box & Papers
The Omega Speedmaster blends iconic style with top-tier performance. Its 42mm stainless steel case and black tachymeter bezel create a bold, timeless look.
- Condition: great overall condition with minor wear only seen upon close inspection
- Box Papers: true
- Movement: 1863 manual-winding movement
- Case Back Engraving: The First Watch Worn on The Moon
![[WTS] Omega Speedmaster Apollo 17 45th Anniversary (2-yr warranty) Ref: 311.30.42.30.03.001](https://external-preview.redd.it/aWk2OGZrYXJnYTdmMUJDdS0Gi9b6to9zH50ooRDilk955RZG063oY1hvbkQ0.png?format=pjpg&auto=webp&s=f8990b3c97b2062b7246e998bd70578cef64e1f9)
Omega Speedmaster Apollo 17 45th Anniversary (2-yr warranty) Ref: 311.30.42.30.03.001
A rare and exquisite Omega Speedmaster Apollo XVII, a limited edition timepiece that commemorates the 45th anniversary of the final moon landing in 1972. The watch features a polished blue ceramic case, bezel, and dial, as well as 18K yellow gold indexes and hour-minute hands coated in Super-LumiNova.
- Condition: Very good condition with slight imperfections on the dial
- Case size: 42mm diameter
- Water resistance: 50m / 167ft depth rating
- Movement: OMEGA Calibre 1861, Manual-Winding Chronograph Movement
![[WTS] Omega Speedmaster 145.022-74 ST Moonwatch](https://external-preview.redd.it/q-1A_0NaPB6t4ttIVj0IVs1FYG5Sq4sBCFJk5QK7kYw.jpg?auto=webp&s=c8ec868145f5d72ab944eb9f36217524eba644a9)
Omega Speedmaster 145.022-74 ST Moonwatch
A vintage, pristine Omega Speedmaster Professional with a Calibre 861 movement, featuring a moonphase complication and a 1171 bracelet.
- Condition: Vintage Pristine
- Movement: Calibre 861
- Bracelet: Omega 1171
- Crystal: Original
Omega Speedmaster Professional 3861 Hesalite Full set
This Omega Speedmaster Professional is in excellent condition, with a 42mm diameter and Hesalite crystal. It's dated May 2023 and has a screw-in steel caseback.
- Condition: Very good
- Case size: 42mm diameter
- Crystal type: Hesalite
- Water resistance: 50 meters
![[wts] Omega Speedmaster racing 9900 44.25mm 329.33.44.51.01.001 under warranty](https://external-preview.redd.it/56inruo0U9TH7RAHZB4IO4AQEK7NXSCXLYvwbeZm1BE.jpeg?auto=webp&s=369d23c9c54f719b626c6646dca12638ee160895)
Omega Speedmaster racing 9900 44.25mm 329.33.44.51.01.001 under warranty
This Omega Speedmaster racing watch features a 44.25mm case size, under warranty until OCT 2024, and is available with various references.
- Condition: Good condition
- Warranty Status: Factory warranty under warranty until OCT 2024
- Shipping Method: FedEx