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

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

Omega - 3506.61 · $3,850
This Omega Speedmaster Legend Red Schumacher LE is a part of Omega's 'Legend Collection' designed to celebrate the brand partnership with F1 driver Michael Schumacher. It comes in 42mm size, making it suitable for anyone.

  • Condition: Preowned with very light scratches and small dings on bezel
  • Case Size: 42mm
  • Wrist Fit: 7inch
Posted at
Aug 22, 2025, 7:00 PM
Active
[WTS]🔥NEW OMEGA SPEEDMASTER MOONWATCH PROFESSIONAL SAPPHIRE SANDWICH 310.30.42.50.01.002 COMPLETE 8/2025 WITH STICKERS!!!🔥

🔥NEW OMEGA SPEEDMASTER MOONWATCH PROFESSIONAL SAPPHIRE SANDWICH 310.30.42.50.01.002 COMPLETE 8/2025 WITH STICKERS!!!🔥

A brand new, unworn Omega Speedmaster Moonwatch Professional Sapphire Sandwich with a black dial and stainless steel case.

  • Condition: BRAND NEW/UNWORN WITH STICKERS
  • Case Size: 42mm diameter
  • Material: Stainless Steel
Posted at
Aug 22, 2025, 4:48 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 rare and exquisite Omega Speedmaster Apollo XVII, a limited edition timepiece that commemorates the 45th anniversary of the final moon landing in 1972.

  • Condition: Very good condition with slight imperfections on the dial
  • Case size: 42mm
  • Bezel material: Polished Blue Ceramic
  • Dial material: Polished Blue Ceramic
Posted at
Aug 22, 2025, 10:15 AM
Active
[WTS] Omega Speedmaster Professional Quartz Digital with box - Fully Functional - ST 186.0004 - Cal.1620 -  $1999

Omega Speedmaster Professional Quartz Digital with box - Fully Functional - ST 186.0004 - Cal.1620 - $1999

Omega - ST 186.0004 · $1,999
This is an Omega Speedmaster Professional Quartz Digital watch, featuring a Cal.1620 movement and a ST 186.0004 reference number.

  • Condition: Fully functional
  • Movement: Cal.1620 quartz
  • Box: yes
Posted at
Aug 22, 2025, 1:32 AM
Active
[WTS] Omega Speedmaster “Triple Date” 33523.80

Omega Speedmaster “Triple Date” 33523.80

Omega - 33523.8 · $1,999
The Omega Speedmaster 'Triple Date' features a 3 date complication showing day, date and month.

  • Condition: Very good condition, some oxidation on hands
  • Size: 39mm diameter
  • Movement: 1150
  • Bracelet size fits: 7"
Posted at
Aug 21, 2025, 9:21 PM
Active
[WTS] Omega Speedmaster Apollo 11 30th Anniversary

Omega Speedmaster Apollo 11 30th Anniversary

Omega - 3560.50 · $3,700
A limited edition Omega Speedmaster Apollo 11 30th Anniversary watch, one of a run of 9,999 pieces worldwide, commemorating the historic mission.

  • Condition: Overall good condition with some normal wear on the case, bracelet and some light scuffs on the hesalite crystal
  • Case size: 42mm diameter
  • Movement type: 1861
  • Bracelet fit: 7 inches
Posted at
Aug 21, 2025, 9:13 PM
Active
[WTS] Omega Speedmaster Date

Omega Speedmaster Date

  • Condition: Fair with small marks and scratches
  • Dimensions: 40mm diameter
  • Bracelet links: remaining
  • Warranty status: expired
Posted at
Aug 21, 2025, 8:15 PM
Active

2022 Omega Speedmaster Moonwatch Sapphire 42mm 310.30.42.50.01.002 Mint Complete

This 2022 Omega Speedmaster Moonwatch Sapphire 42mm is a first watch worn on the moon, featuring photos and a video on the seller's website.

  • Condition: Minty fresh
  • Case size: 42mm
  • Year: 2022
  • Contents: watch,inner & outer boxes,warranty card,pictogram,master chronometer,instruction booklet,black travel case,hang tag,cleaning cloth,Moonwatch Booklet
Posted at
Apr 7, 2025, 2:59 PM
Active
Omega Speedmaster Chronograph  - Blue - Stainless Steel - 38mm - Mint

Omega Speedmaster Chronograph - Blue - Stainless Steel - 38mm - Mint

This Omega Speedmaster Chronograph features a 38mm stainless steel case, blue dial, and automatic movement.

  • Condition: Pre-Owned - Mint
  • Case size: 38mm diameter
  • Bracelet type: Stainless Steel
  • Dial color: Blue
Posted at
Apr 5, 2025, 6:13 PM
Active