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 Dark Side of the Moon Apollo 8 - BOX & PAPERS 311.92.44.30.01.001

Omega Speedmaster Dark Side of the Moon Apollo 8 - BOX & PAPERS 311.92.44.30.01.001

A textured chronograph featuring a lunar motif and exhibition caseback, with a black ceramic case and 50m water resistance.

  • Condition: Good condition with little to no visible wear, minor wear on strap
  • Case material: Black Ceramic
  • Case diameter: 44.25mm
  • Water-resistance: 50m
Posted at
Aug 29, 2025, 9:38 AM
Active
[WTS] Omega Speedmaster Professional Moonwatch 310.32.42.50.01.001

Omega Speedmaster Professional Moonwatch 310.32.42.50.01.001

This Omega Speedmaster Professional Moonwatch is a high-end timepiece in excellent condition, featuring a forester bracelet and original nylon strap.

  • Condition: amazing condition with hardly any signs of wear
  • Bracelet: forester
  • Strap: original nylon
  • Box: missing outer box
Posted at
Aug 29, 2025, 9:03 AM
Active
[WTS] 2025 Omega Speedmaster Professional Moonwatch ‘Silver Snoopy Award’ 50th 310.32.42.50.02.001 Complete Set Mint

2025 Omega Speedmaster Professional Moonwatch ‘Silver Snoopy Award’ 50th 310.32.42.50.02.001 Complete Set Mint

Omega - 310.32.42.50.02.001 · $16,750
The Omega Speedmaster Professional Moonwatch ‘Silver Snoopy Award’ 50th Anniversary celebrates Omega’s historic recognition from NASA astronauts for its role in the Apollo 13 mission.

  • Condition: Mint
  • Case size: 42mm diameter
  • Straps included: bracelet and rubber straps
Posted at
Aug 29, 2025, 5:20 AM
Active
[WTS] 2015 Omega Speedmaster Grey Side of Moon Platinum 311.93.44.51.99.001 Full Set

2015 Omega Speedmaster Grey Side of Moon Platinum 311.93.44.51.99.001 Full Set

This is a 2015 Omega Speedmaster Grey Side of Moon Platinum, featuring a grey ceramic case and a platinum dial.

  • Condition: Very nice condition!
  • Case material: Grey Ceramic
  • Bezel material: Grey Ceramic Tachymeter Bezel
  • Dial color: Platinum
Posted at
Aug 28, 2025, 7:44 PM
Active
[WTS] 2023 Omega Speedmaster Hesalite $5250

2023 Omega Speedmaster Hesalite $5250

A 2023 Omega Speedmaster (Hesalite) in excellent condition, with a pristine bracelet and still under warranty. It was bought from a local AD in 2023 and only worn a handful of times.

  • Condition: Excellent
  • Year: 2023
  • Warranty: 2+ years remaining
Posted at
Aug 28, 2025, 6:34 PM
Active
[WTS] Omega Speedmaster Date 3210.52 - Casino Dial

Omega Speedmaster Date 3210.52 - Casino Dial

Omega - 3210.52.00 · $2,600
The Omega Speedmaster Date ref. 3210.52.00, nicknamed the 'Casino Dial', is a striking timepiece with red-and-black roulette-style subdials on a black dial.

  • Condition: Excellent (light wear only)
  • Case size: 40mm
  • Movement type: automatic chronograph
  • Crystal material: sapphire
Posted at
Aug 28, 2025, 5:57 PM
Active
[WTS] Omega Speedmaster 38 324.30.38.50.01.001

Omega Speedmaster 38 324.30.38.50.01.001

A Omega Speedmaster 38 purchased in September 2023, with box and papers included.

  • Origin: Goldsmiths
  • Includes: box, papers, date change tool, instruction book, OMEGA outer box, Watches of Switzerland outer box
Posted at
Aug 28, 2025, 3:35 PM
Active
[WTS] Horus Omega Fitted Rubber Straps - Speedmaster, Seamaster, etc

Horus Omega Fitted Rubber Straps - Speedmaster, Seamaster, etc

· $35
Horus Omega Fitted Rubber Straps for Speedmaster and other modern Omega models are available for sale. These curved straps come in various colors and fit 20mm bands.

  • Condition: Like New
  • Colors: 10 different color options (Royal Blue, Light Blue, Lime Green, Red, Hot Pink, Pink, Orange, Yellow, Lavender, Gray)
Posted at
Aug 28, 2025, 2:57 PM
Active
[WTS] Omega Speedmaster Reduced Date Annual Calendar Chronograph Silver Dial (Papers/Mint)

Omega Speedmaster Reduced Date Annual Calendar Chronograph Silver Dial (Papers/Mint)

Omega - 3521.30.00 · $2,300
This Omega Speedmaster Reduced Triple Calendar Ref. 3521.30.00 is a compact and highly functional chronograph presented in all-original condition.

  • Condition: Mint, minimal signs of wear
  • Case size: 39mm diameter
  • Bracelet length: up to 7.5 inches (19.5 cm)
  • Movement tested: yes
Posted at
Aug 28, 2025, 12:48 PM
Active