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

Current Listings

Omega Speedmaster Professional Hesalite I 310.30.42.50.01.001 | Dated 03/2023 | $5,399

Omega - 310.30.42.50.01.001 · $5,399

This Omega Speedmaster Professional Hesalite I is a manual wind, mechanical watch with a stainless steel case and black dial, featuring hesalite crystal.

Condition: Preowned, Very Good Condition
Case Material: Stainless Steel
Band Material: Stainless Steel
Movement Type: Manual Wind, Mechanical

Posted at

Mar 15, 2026, 3:45 PM

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Omega Speedmaster Japan Edition 3211.50.00

Omega - 3211.50.00 · $2,599

This Omega Speedmaster Japan Edition is in great pre-owned condition with limited signs of wear throughout.

Condition: pre-owned with limited signs of wear
Case Size: 40mm diameter

Posted at

Mar 15, 2026, 1:58 PM

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Omega Speedmaster GSOTM Meterorite, Full Set w/ Extra Strap

Omega - 311.63.44.51.99.001 · $12,000

A mint condition Omega Speedmaster Grey Side of the Moon Meteorite, a limited edition timepiece featuring a solid Sedna gold bezel and ceramic case, available with an original gray alligator leather strap as well as an additional brand new black alligator leather strap.

Condition: Excellent
Case size: 44.25mm
Movement: Automatic
Case material: Ceramic

Posted at

Mar 15, 2026, 1:18 PM

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Omega Speedmaster Date 40 Box Papers Excellent Condition Blue Dial

Omega - 3212.80.00 · $3,198

The Omega Speedmaster Date Chronograph is one of OMEGA's most iconic timepieces, featuring a date window and iconic Seamster logo on the caseback.

Condition: Excellent Condition
Case Material: Steel
Bracelet Material: Bracelet
Box Papers: Yes

Posted at

Mar 15, 2026, 1:14 PM

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Omega Speedmaster Silver 40 Box Papers

Omega - 3212.80.00 · $2,999

The Omega Speedmaster is a chronograph date watch with small seconds and tachymeter, featuring an iconic design.

Condition: Pre-Owned with minor scratches
Case Material: Steel
Bracelet Material: Bracelet
Dimensions: 40 mm diameter

Posted at

Mar 15, 2026, 1:05 PM

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Omega Speedmaster. 39mm. Mother of Pearl Dial. Clean. OEM Strap/Deployant Clasp..

Omega - Speedmaster · $2,350

This Omega Speedmaster features a 39mm case and mother of pearl dial.

Condition: Clean
Case Size: 39mm
Strap Type: OEM Strap/Deployant Clasp

Posted at

Mar 15, 2026, 11:32 AM

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2022 Omega Speedmaster Moonwatch Professional – 310.30.42.50.01.001 - $5899 Shipped

Omega - 310.30.42.50.01.001 · $5,899

For sale is a 2022 Omega Speedmaster Moonwatch Professional in excellent condition, showing light signs of normal wear and running properly.

Condition: Excellent overall condition with light signs of normal wear only
Case size: 42mm
Movement type: Manual wind chronograph
Crystal material: Hesalite

Posted at

Mar 15, 2026, 2:41 AM

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Omega Speedmaster Reduced 39mm Ref. 175.0032 Cal 1140 TRITIUM PATINA

Omega - 175.0032 · $2,550

This Omega Speedmaster Reduced features a beautiful tritium patina on its dial, giving it an authentic vintage character.

Condition: Honest signs of use consistent with its age, scratches on case and bracelet
Movement: Omega Caliber 1140 Automatic (46 jewels)
Case Size: 39mm
Caseback: Solid Omega press on caseback

Posted at

Mar 15, 2026, 1:38 AM

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Omega Speedmaster Professional Moonwatch ref. 145.022 circa 1978

Omega - 145.022 · $4,400

A circa 1978 Omega Speedmaster Professional Moonwatch ref. 145.022, featuring a Lemania based caliber 861 movement, in a classic 42mm case.

Condition: Used, with wear and signs of polish
Movement: Lemania based caliber 861
Case size: 42mm diameter
Lug width: 20mm

Posted at

Mar 14, 2026, 8:50 PM

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