Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink

Reference 310.20.42.50.99.001

About this watch

The Omega Speedmaster Professional Moonwatch 310.20.42.50.99.001 is a stunning blend of tradition and innovation, featuring a unique Sedna Gold and pink finish. Its 42mm stainless steel case and Sedna Gold accents command attention, while the remarkable Omega caliber 3861 movement boasts a co-axial escapement, reducing friction for enhanced accuracy and longevity. Certified by METAS as a Master Chronometer, this watch can resist magnetic fields reaching an impressive 15,000 gauss. The sunburst pink finish adds sophistication, making it perfect for both casual and formal settings.
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Key Features

  • Omega caliber 3861 movement
  • 42mm stainless steel case
  • Sedna Gold accents
  • Co-axial escapement
  • Master Chronometer certified by METAS
  • 50m water resistance
  • Chronograph function

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink
Reference
310.20.42.50.99.001
Movement
3861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
  • Chronometer
Case
42mm
Dial Color
Pink
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Omega Speedmaster Reduced 3510.50

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
Active
[WTS] Omega Speedmaster Professional. ++ Extras !!

Omega Speedmaster Professional. ++ Extras !!

This Omega Speedmaster Professional is a high-end watch with additional features such as a sapphire caseback and switching tools.

  • Extras: [object Object],[object Object]
Posted at
May 7, 2025, 1:21 PM
Active
[WTS] 2000 Omega Speedmaster 'Reduced' Ref. 3510.50 with Box & Papers

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
Active
[WTS] 2013 Omega Speedmaster 'Reduced' Ref. 3539.50 with Papers | Serviced 2025

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
Active
[WTS] Omega Speedmaster Dark Side of the Moon Vintage Full Set 311.92.44.51.01.006

Omega Speedmaster Dark Side of the Moon Vintage Full Set 311.92.44.51.01.006

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
Active
[WTS] Omega Speedmaster Moonwatch Professional 311.30.42.30.01.005 - $4,700

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
Active
Omega Speedmaster Date Olympic Chronograph White Dial 3515.20

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
Active
[WTS] 1997 Omega Speedmaster Professional Gemini V (Ref. 345.0022)

1997 Omega Speedmaster Professional Gemini V (Ref. 345.0022)

Omega - 345.0022 · $8,999
This Omega Speedmaster Professional commemorates the NASA Gemini V mission, featuring a unique 9 o'clock sub-dial with the mission patch and limited to 150 models.

  • Condition: Excellent
  • Case size: 42mm
  • Bracelet type: Omega 1499 bracelet with 842 end pieces
  • Box/papers included: Original inner/outer boxes and booklets
Posted at
May 7, 2025, 10:16 AM
Active
[WTS] Omega Speedmaster Ceramic Apollo 8 Dark Side Of The Moon DSOTM 311.92.44.30.01.001

Omega Speedmaster Ceramic Apollo 8 Dark Side Of The Moon DSOTM 311.92.44.30.01.001

The Omega Speedmaster Dark Side Of The Moon features a black ceramic case, blackened movement, and laser-ablated dial to depict the moon's surface. It has a deployant strap and comes with a special presentation box and Omega's 5-year warranty.

  • Condition: Truly exceptional
  • Case Size: 44.25mm diameter
  • Movement: Calibre 1869
Posted at
May 7, 2025, 10:02 AM
Active