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 Schumacher Legend Edition - 42mm Red Dial - 3506.61 - Reduced!

Posted at

Aug 31, 2025, 7:20 PM

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Omega Speedmaster CK2998 Limited Edition “Blue Panda” - Full Set - Reduced!

Omega - CK2998 · $7,795

This Omega Speedmaster CK2998 Limited Edition 'Blue Panda' is a modern classic with a striking design. It features an opaline silver dial with blue subdials and a manual winding OMEGA calibre 1861. The watch comes in its complete set, including the outer box, inner box, instruction manual, card sleeve, international warranty card, and pictograms card.

Condition: Excellent, barely worn
Case size: 40mm
Movement caliber: 1861

Posted at

Aug 31, 2025, 6:08 PM

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Vintage Omega Speedmaster Mark 40 Triple Calendar 175.0084 Watch 39MM $2500

Omega - 175.0084 · $2,500

A vintage Omega Speedmaster Mark 40 Triple Calendar watch in good condition, featuring an automatic movement and all functions working.

Condition: Minimal signs of use
Case Size: 39mm
Movement Condition: fresh
Lug To Lug: 45mm

Posted at

Aug 31, 2025, 5:33 PM

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Omega Speedmaster. CK2998. Blue Panda. Like New. Clean..

Posted at

Aug 31, 2025, 4:44 PM

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Omega Speedmaster Professional “Replica” 3594.50 – Broad Arrow Reissue

Omega - 3594.50 · $8,000

The listing is about an Omega Speedmaster Professional "Replica" 3594.50 – Broad Arrow Reissue.

Movement: Calibre 1861
Bracelet: Leather strap with metal buckle

Posted at

Aug 31, 2025, 3:37 PM

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Omega Speedmaster. MK40. Triple Date. 🔥

Posted at

Aug 31, 2025, 1:29 PM

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Omega Speedmaster Triple Date calendar chronograph

Posted at

Aug 31, 2025, 1:00 PM

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Omega Speedmaster Moonwatch Professional Hesalite Black Dial 8/21 Ref: 310.30.42.50.01.001 $4899.00

Omega - 310.30.42.50.01.001 · $4,899

This Omega Speedmaster Moonwatch Professional features a black lacquered dial, manual winding mechanism, and 50M water resistance. It's a beautiful timepiece with a domed Hesalite crystal and closed case back.

Condition: Great pre-owned condition, some hairlines on case, bracelet and clasp.
Size: 42mm
Movement: 3861
Water Resistance: 50m

Posted at

Aug 31, 2025, 12:45 PM

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