Omega Speedmaster Speedmaster Professional Moonwatch Apollo-Soyuz 20th Anniversary

Reference 3691.50.31

Omega Speedmaster Professional Moonwatch Apollo-Soyuz 20th Anniversary

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
50

Current Listings

[WTS] Omega Speedmaster Professional Sapphire Sandwich ref. 310.30.42.50.01.002 Full Set w/ Original Receipt

Omega Speedmaster Professional Sapphire Sandwich ref. 310.30.42.50.01.002 Full Set w/ Original Receipt

Omega - 310.30.42.50.01.002 · $6,700
A great example of the classic Omega Speedmaster Professional 'Sapphire Sandwich' in 42mm size, purchased new from an Omega store.

  • Condition: Near new, one owner
  • Size: 42mm
  • Bracelet clasp wear: Minor
  • Box and papers included: Yes
Posted at
May 14, 2026, 4:41 PM
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[WTS] Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )

Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )

Omega - 310.30.42.50.01.002 · $7,250
This Omega Speedmaster Moonwatch Professional is a brand new watch with all original packaging and papers, featuring a stainless steel case and Master Chronometer movement.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement type: Master Chronometer
Posted at
May 14, 2026, 2:59 PM
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[WTS] Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )

Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )

Omega - 310.30.42.50.01.001 · $6,250
This Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case and is powered by the 3861 Omega Master Chronometer movement.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement: 3861 Omega Master Chronometer
  • Crystal material: Hesalite
Posted at
May 14, 2026, 2:53 PM
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[WTS] Omega Speedmaster '57 Manual Wound 332.10.41.51.01.001 $5,299

Omega Speedmaster '57 Manual Wound 332.10.41.51.01.001 $5,299

Omega - 332.10.41.51.01.001 · $5,299
The Omega Speedmaster '57 is a modern watch that balances vintage charm with sophisticated technology, ideal for those who want a dressier, traveler-friendly Speedmaster.

  • Condition: great condition with a few swirls on the bracelet clasp
  • Case Size: 40.5mm diameter
  • Lug To Lug: 49.6mm length
  • Lug Width: 20mm width
Posted at
May 14, 2026, 2:06 PM
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[WTS] omega speedmaster reduced 3511.50, perfectly functional, no box and papers, 2100$

omega speedmaster reduced 3511.50, perfectly functional, no box and papers, 2100$

Omega - 3511.50 · $2,100
A 39mm Omega Speedmaster Reduced 'reverse panda' with a 1-year warranty from an Italian shop.

  • Condition: Perfectly functional
  • Case size: 39mm
  • Wrist size: 18cm maximum
Posted at
May 14, 2026, 1:43 PM
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[WTS] 2023 Omega Speedmaster Moonphase Blue Side of the Moon 304.93.44.52.03.001 Full Set - $9,395

2023 Omega Speedmaster Moonphase Blue Side of the Moon 304.93.44.52.03.001 Full Set - $9,395

Omega - 304.93.44.52.03.001 · $9,395
The Omega Speedmaster Moonwatch - Blue Side of the Moon is a 2023 model, featuring a moonphase display and a blue dial.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2023
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
  • Shipping: Fully insured in the USA through Fedex
Posted at
May 14, 2026, 12:58 PM
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[WTS] 2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995

2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995

Omega - 304.30.44.52.01.001 · $7,995
Up for sale is a Omega Speedmaster Moonphase Black, a watch that features the moon phase function, and it's in excellent condition.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2020
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Posted at
May 14, 2026, 12:51 PM
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[WTS] Omega Speedmaster Reduced 3510.50 Bracelet Set - 22 Links, Full size, 94/100 Condition, OEM 1469/811

Omega Speedmaster Reduced 3510.50 Bracelet Set - 22 Links, Full size, 94/100 Condition, OEM 1469/811

Omega - 3510.50 · $549
A full-size Omega Speedmaster Reduced bracelet set in excellent condition, featuring a stainless steel finish and an original Omega folding clasp.

  • Condition: Excellent vintage condition (94/100)
  • Model compatibility: Omega Speedmaster Reduced 3510.50
  • Bracelet reference: 1469
  • Endlinks reference: 811 (pair included)
Posted at
May 14, 2026, 8:54 AM
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[WTS] OMEGA Speedmaster 311.63.44.51.06.001 Dark Side of the Moon Matte Grey w/Box and cards

OMEGA Speedmaster 311.63.44.51.06.001 Dark Side of the Moon Matte Grey w/Box and cards

OMEGA - 311.63.44.51.06.001 · $11,000
This Omega Speedmaster Dark Side of the Moon Sedna Gold Accent features a laser ablated matte grey dial, ceramic case, and black leather strap. It comes as a complete set with warranty and pictogram card.

  • Condition: Good
  • Case material: Ceramic
  • Diameter: 44mm
  • Strap type: Black leather with deployment clasp
Posted at
May 14, 2026, 7:08 AM
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