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

2021 Omega Speedmaster Chronoscope Blue Dial Panda 329.30.43.51.03.001

Omega - 329.30.43.51.03.001 · $7,200.007

The Omega Speedmaster Chronoscope blends vintage-inspired design with modern mechanical performance. It features a rich blue dial and polished steel case, making it suitable for both formal and casual settings.

Condition: Excellent, minimal signs of wear
Movement: Omega Co-Axial Master Chronometer Caliber 9908
Case size: 43mm diameter
Power reserve: 60 hours

Posted at

May 7, 2025, 6:19 PM

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NEW 2025 Omega Speedmaster Silver Snoopy Award 310.32.42.50.02.001 - $15,000

Omega - 310.32.42.50.02.001 · $15,000

This is a NEW 2025 Omega Speedmaster Silver Snoopy Award, a limited edition watch celebrating the 50th anniversary of the Silver Snoopy Award. It features a stainless steel case on a blue nylon fabric strap and comes with various accessories.

Condition: Brand new/unworn
Case Size: 42mm diameter
Band Type: Blue nylon fabric strap
Strap Adjustable: Yes

Posted at

May 7, 2025, 3:32 PM

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Omega Speedmaster Professional Moonwatch Sapphire Sandwich 310.30.42.50.01.002 Full Set

Omega - 310.30.42.50.01.002 · $5,375

Additional Details: Model: Speedmaster Professional Ref# 310.30.42.50.01.002

Condition: Has Some Very Light Scratches on the Case, Bracelet and Buckle. One very small ding in the bezel
Case material: Stainless Steel
Case dimensions: 42 mm diameter
Bezel: Black Bezel

Posted at

May 7, 2025, 2:47 PM

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Omega Speedmaster Reduced 3510.50

Omega - 3510.50 · $1,850

A Omega Speedmaster Reduced 3510.50 watch on a replacement strap with a dot on the dial.

Condition: Pre-owned, serviced, and runs perfect
Caseback status: Replaced
Crystal condition: Clean

Posted at

May 7, 2025, 1:39 PM

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2000 Omega Speedmaster 'Reduced' Ref. 3510.50 with Box & Papers

Omega - 3510.50 · $3,250

The Omega Speedmaster Reduced Automatic is a great entry into Omega, measuring 39mm in diameter and featuring a Luminova dial. The watch is in excellent pre-owned condition with minimal flaws.

Condition: Excellent (very little to no signs of wear)
Case width: 39mm
Strap length: 7.25 inches
Movement type: Automatic

Posted at

May 7, 2025, 12:15 PM

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2013 Omega Speedmaster 'Reduced' Ref. 3539.50 with Papers | Serviced 2025

Omega - 3539.50 · $4,250

The Omega Speedmaster Reduced Automatic is a great entry into the brand, measuring 39mm in diameter and featuring a scratch-resistant sapphire crystal and an upgraded fold-over clasp. The watch has excellent pre-owned condition with little to no signs of wear on the dial and hands.

Condition: Excellent
Case width: 39mm
Movement: Automatic
Scope: Papers & Service Card

Posted at

May 7, 2025, 12:14 PM

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Omega Speedmaster Dark Side of the Moon Vintage Full Set 311.92.44.51.01.006

Omega - 311.92.44.51.01.006 · $8,095

Up for sale is a Omega Speedmaster Moonwatch - Dark Side of the Moon - Vintage, made in 2022.

Condition: Excellent condition with minimal signs of wear
Year: 2022
Contents: Watch, Inner & Outer Box, International Warranty Card, Pictograms Card, Card Holder, Operating Instructions Manual, Extra Brown Strap
Strap Condition: brand new

Posted at

May 7, 2025, 11:44 AM

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Omega Speedmaster Moonwatch Professional 311.30.42.30.01.005 - $4,700

Omega - 31130423001005 · $4,700

This Omega Speedmaster Moonwatch Professional comes with a complete set, including a large box and is in good condition.

Condition: Good pre-owned condition
Box: Complete set including large box
Condition: Pre-owned
Crystal: Light marks on hesalite crystal

Posted at

May 7, 2025, 11:15 AM

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Omega Speedmaster Date Olympic Chronograph White Dial 3515.20

Omega - 3515.20 · $2,080.002

This Omega Speedmaster Date Olympic Chronograph features a white dial and measures 39mm in size. It has a mechanical automatic movement and is a chronograph with date function.

Condition: 95%
Case material: Stainless Steel
Size: 39mm diameter
Movement type: Mechanical Automatic

Posted at

May 7, 2025, 10:31 AM

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