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 40 3211.31

Omega - 3211.31 · $2,175

A used Omega Speedmaster 40mm model 3211.31, featuring a minor scratch on the crystal.

Condition: Minor scratch on crystal
Bracelet length: 7 inches

Posted at

May 1, 2026, 3:33 PM

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Omega Speedmaster Professional. Moonwatch. 3570.50. Very nice condition...

Omega - 3570.50 · $4,100

This Omega Speedmaster Professional Moonwatch is a high-end timepiece with a rich history and design.

Condition: Very nice condition
Location: NJ USA
Shipping: included

Posted at

May 1, 2026, 3:30 PM

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🚀🌗Brand New 2026 Full Set - Omega Speedmaster Moonphase Reference: 304.30.44.52.01.001 🚀🌗

Omega - 304.30.44.52.01.001 · $10,995

This listing is for a brand new Omega Speedmaster Moonphase watch, full set with warranty card, double box, and other included items.

Condition: Brand New
Bracelet length: fully linked

Posted at

May 1, 2026, 1:49 PM

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Omega OEM Integrated Speedmaster Moonwatch Rubber Straps - One with OEM Clasp - One Without Clasp (Both Backordered thru Omega)

Omega - 032Z017245, STZ007387 · $275

Additional details are about Omega OEM integrated Speedmaster Moonwatch rubber straps, one with an OEM clasp and one without.

Condition: Very Good
Clasp type: stainless steel deployant clasp (16mm)
Lug size: 20mm
Condition of strap 1: with clasp

Posted at

May 1, 2026, 1:32 PM

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BNIB 2026 Omega Speedmaster Professional White $7,890

Omega - 310.30.42.50.04.001 · $7,890

The Omega Speedmaster Moonwatch Professional features a glossy white lacquered dial and is powered by the updated 3861 hand-wound movement.

Condition: Brand new in box
Case Size: 42mm diameter
Case Thickness: 13.2mm
Lug Width: 20mm

Posted at

May 1, 2026, 1:24 PM

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Omega Speedmaster 323.10.40.40.04.001 Specialities 2012 Olympic Games Collection Blue Red Hands | Good Condition | Serviced| 2100$

Omega - 323.10.40.40.04.001 · $2,100

This Omega Speedmaster features a white dial with blue and red hands, making it an eye-catching piece.

Condition: Good Condition
Case size: 39mm
Crystal type: Sapphire
Lug width: 20mm

Posted at

May 1, 2026, 11:42 AM

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Omega Speedmaster Date 38.5mm 3513.54

Omega - 3513.54 · $1,550

For sale is an Omega Speedmaster Date 38.5mm reference number 3513.54, the watch is in good condition.

Condition: good condition with small normal wear
Year: 1998
Case size: 38.5mm

Posted at

May 1, 2026, 11:05 AM

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Omega Speedmaster Racing 326.30.40.50.03.001

Omega - 326.30.40.50.03.001 · $2,350

This Omega Speedmaster Racing is available for sale in excellent working order, and its condition allows it to be barely noticeable despite having some slight wear.