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

Omega Speedmaster Professional Moonwatch 311.33.42.30.01.001

Omega Speedmaster Professional Moonwatch 311.33.42.30.01.001

Omega - 311.33.42.30.01.001 · $4,300.004
This is a Speedmaster Professional Moonwatch, a classic watch from Omega that features a professional-grade movement and a sleek design.

  • Condition: Excellent condition
  • Cases and accessories included: true
Posted at
Jun 23, 2025, 11:16 PM
Active
Omega Speedmaster “Triple Date” 3521.30

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Omega - 3521.30 · $1,750.002
A beautiful white Omega Speedmaster 'Triple Date' with a 3 date complication showing day, date, and month.

  • Condition: Very good condition, some normal wear on the case bezel and bracelet
  • Size: 39mm diameter
  • Movement: Calibre 1150
Posted at
Jun 23, 2025, 10:41 PM
Active
[WTS] Omega Speedmaster Triple Date 3521.30

Omega Speedmaster Triple Date 3521.30

Omega - 3521.30 · $1,750
A beautiful white Omega Speedmaster Triple Date watch, one of the favorite reduced versions of the Speedmaster, featuring a 3 date complication.

  • Condition: Very good, with some normal wear on the case bezel and bracelet
  • Size: 39mm diameter
  • Movement: 1150
  • Accessories: N/A
Posted at
Jun 23, 2025, 8:45 PM
Active
[WTS] 2001 Omega Speedmaster 32905000 Titanium x33 Mission First – Box and Papers

2001 Omega Speedmaster 32905000 Titanium x33 Mission First – Box and Papers

Omega - 32905000 · $2,280
The Omega Speedmaster X33, reference 329050, is a digital-analog chronograph made from lightweight titanium. It features the pioneering Omega calibre 1666 movement and has been designed to meet the demands of space exploration and professional aviation.

  • Condition: Very good, showing honest signs of previous wear on case, caseback, and bracelet
  • Case size: 42mm diameter
  • Material: Titanium
  • Movement type: Quartz-analog digital chronograph
Posted at
Jun 23, 2025, 7:20 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch (Ref. 310.30.42.50.01.001)

Omega Speedmaster Professional Moonwatch (Ref. 310.30.42.50.01.001)

The Omega Speedmaster Professional Moonwatch features a Master Chronometer Caliber 3861 and is part of the modern hesalite version. It retains classic DNA with major movement upgrades and a beautifully tapered bracelet.

  • Condition: great, with a light scratch on the lower right lug and a faint smudge/finish mark on the left side of the case
  • Case diameter: 42mm
  • Water resistance: 50m
  • Crystal type: Hesalite crystal (with embossed Omega logo)
Posted at
Jun 23, 2025, 3:32 PM
Active
[WTS] 1969 Omega Speedmaster 145022 69 - Straight Writing

1969 Omega Speedmaster 145022 69 - Straight Writing

Omega - 145022-69 · $6,990
A 1969 Omega Speedmaster, reference 145022-69, featuring a straight writing caseback and original components. This watch is a highly coveted collector's item and a testament to human ingenuity and exploration.

  • Condition: Pre-owned with signs of previous wear
  • Case size: 42mm diameter
  • Bezel condition: Attractive with light marks
  • Dial condition: Original black dial with attractive even patina
Posted at
Jun 23, 2025, 3:20 PM
Active
Omega Speedmaster Apollo 8 Dark Side of the Moon Black Watch 311.92.44.30.01.001

Omega Speedmaster Apollo 8 Dark Side of the Moon Black Watch 311.92.44.30.01.001

Omega - 311.92.44.30.01.001 · $7,995.008
The Omega Speedmaster Dark Side of the Moon Apollo 8 special edition is a unique take on Omega's Dark Side archetype, commemorating the 50th anniversary of the Apollo 8 mission.

  • Condition: Excellent pre-owned condition
  • Case diameter: 44mm
  • Case material: Ceramic
  • Bezel material: Ceramic
Posted at
Jun 23, 2025, 1:57 PM
Active
[WTS] Omega Speedmaster Apollo 17 45th Anniversary (2-yr warranty) Ref: 311.30.42.30.03.001

Omega Speedmaster Apollo 17 45th Anniversary (2-yr warranty) Ref: 311.30.42.30.03.001

A limited edition Omega Speedmaster Apollo XVII, commemorating the 45th anniversary of the final moon landing in 1972, featuring a polished blue ceramic bezel and a stainless steel case.

  • Condition: Very good
  • Case Size: 42mm diameter
  • Movement: OMEGA Calibre 1861, Manual-Winding Chronograph Movement
  • Water Resistance: 50 meters / 167 feet depth rating
Posted at
Jun 23, 2025, 1:41 PM
Active
[WTS] OMEGA Speedmaster Panda 40mm 3211.31.00 Box and Papers

OMEGA Speedmaster Panda 40mm 3211.31.00 Box and Papers

Omega - 3211.31.00 · $2,799
The Omega Speedmaster Date/Day-Date 'Panda' is a timeless timepiece that embodies class and sophistication. Its 40mm stainless steel case and bracelet offer enduring elegance, while the crisp white dial delivers a bold yet refined presence.

  • Condition: Preowned, great condition
  • Case size: 40mm diameter
  • Movement type: Self-winding mechanical movement
  • Crystal: Sapphire crystal, clean and scratch-free
Posted at
Jun 23, 2025, 10:26 AM
Active