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 3523.80.00 - $1800

A used Omega Speedmaster 3523.80.00 in very good condition, kept time well but requires service.

Posted at

Dec 29, 2025, 12:15 PM

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Omega Speedmaster Date 40mm 323.30.40.40.06.001 $2200

Omega - 323.30.40.40.06.001 · $2,200

Selling my Omega Speedmaster 40mm, a watch only with bracelet fitting 18.5cm.

Condition: Good
Case size: 40mm diameter
Bracelet length: 18.5cm

Posted at

Dec 29, 2025, 10:36 AM

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[US] Omega Speedmaster Broad Arrow - White Dial - 42mm - 3551.20.00 - Full Set

Omega - 3551.20.00 · $4,175

Up for sale is an Omega Speedmaster Broad Arrow - White Dial - 42mm - Full Set, which functions perfectly mechanically.

Condition: Fantastic condition with minor hairlines
Case Size: 42mm
Box And Papers: true

Posted at

Dec 29, 2025, 7:27 AM

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Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🟤

Omega - 145.022-69 · $15,150

This rare Omega Speedmaster Moonwatch features a period-correct super tropical brown dial, a deep blue bezel, and a professionally serviced movement. The watch has aged attractively and presents even better in person than in photos.

Condition: Beautiful condition with thick, sharp lugs and heavy patina on the dial
Size: 42mm
Year: 1969
Material: Tropical dial with heavy yellow patina and tritium that glows green under UV light

Posted at

Dec 29, 2025, 1:40 AM

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[USA] Omega Speedmaster Professional 'Sapphire Sandwich' (310.30.42.50.01.002) – 2025 Like-New Complete Set 🚨$6,795🚨

Omega - 310.30.42.50.01.002 · $6,795

A timeless icon, the Omega Speedmaster Professional 'Sapphire Sandwich', powered by Calibre 3861, is offered as a complete set with box, warranty cards, serial tag, and art manual. Originally dated August 2025, it remains covered under Omega's 5-year factory warranty.

Condition: Mint, like-new
Movement: Calibre 3861
Year: 2025
Warranty: 5-year factory warranty through August 2030

Posted at

Dec 28, 2025, 10:27 PM

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1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

Omega - 3590.50 · $4,099

This Omega Speedmaster Moonwatch is a 1991 model with caliber 861 movement and tritium dial and hands. The watch comes with an extract from the Omega archives matching its serial number and a vintage poster.

Condition: Excellent vintage condition, unpolished
Movement: Caliber 861
Serial number: 482774XX
Bracelet size: 6.8"

Posted at

Dec 28, 2025, 6:37 PM

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Omega Speedmaster Pilot Master Chronometer 40.5mm 332.10.41.51.01.002 Automatic

Omega - 332.10.41.51.01.002 · $7,600

This Omega Speedmaster Pilot Automatic watch is a recent release that embodies a tool watch with an unique look and feel, inspired by the 1957 original.

Condition: excellent plus preowned
Case Diameter: 40.8mm
Water Resistance Depth: 100m
Movement Power Reserve: 60 hrs

Posted at

Dec 27, 2025, 10:42 PM

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Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET

Omega - 311.92.44.30.01.001 · $7,850

This Omega Speedmaster Dark Side of the Moon features a full-ceramic case and buckle.

Condition: Mint, like-new
Case material: full-ceramic
Payment methods: Zelle, Venmo, or Western Union

Posted at

Dec 27, 2025, 8:35 PM

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[EU] Omega Speedmaster Olympic games Beijing

Omega - 323.10.40.40.04.001 · $1,800

This Omega Speedmaster Olympic games Beijing is an automatic chronograph with a white dial and tachymeter bezel, featuring 50m water resistance. It comes in a stainless steel case size of approx. 39mm.

Condition: Good - scratches on bezel, scratches on crystal, dents under bezel, small chip on sapphire crystal
Case size: 39mm diameter
Movement type: Automatic
Complications: Chronograph

Posted at

Dec 27, 2025, 2:00 PM

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View listing on r/WatchExchange