Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel - Moonshine Gold / Silver

Reference 310.20.42.50.02.001

About this watch

The Omega Speedmaster Professional Moonwatch 310.20.42.50.02.001 is a stunning blend of classic design and cutting-edge technology, featuring a stainless steel case, Moonshine gold accents, and sophisticated chronograph functionality. At the heart of this timepiece is the Omega caliber 3861 movement, certified as a Master Chronometer by METAS and boasting advanced features like a co-axial escapement, silicon balance spring, and magnetic resistance of up to 15,000 gauss. The Speedmaster's ergonomic design ensures it sits comfortably on the wrist, while its 50-meter water resistance makes it practical for daily wear. This watch is incredibly versatile, adapting effortlessly from formal events to casual days out, and its durability is ensured by top-notch materials like ceramic, stainless steel, and Moonshine gold. With a price point that reflects its quality and heritage, the Omega Speedmaster Professional Moonwatch 3861 is an investment in horological history.
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Key Features

  • Omega caliber 3861 movement with co-axial escapement and silicon balance spring
  • 50-meter water resistance for everyday wear
  • Chronograph functionality with precise timing and intuitive layout
  • Moonshine gold accents and stainless steel case for luxurious appearance
  • Sapphire glass for scratch-resistance and durability
  • Master Chronometer certification by METAS for high accuracy and reliability

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Stainless Steel - Moonshine Gold / Silver
Reference
310.20.42.50.02.001
Movement
3861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
  • Chronometer
Case
42mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET!

OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET!

OMEGA - 311.30.40.30.01.001 · $18,000
The OMEGA Speedmaster Calibre 321 Ref. 311.30.40.30.01.001 is a faithful recreation of the reference 105.003, famously worn by astronaut Ed White during America's first spacewalk. This stainless steel timepiece features the iconic straight lugs and removal of crown guards that defined the early pre-Moon Speedmasters.

  • Condition: UNWORN
  • Size: 39.7mm
  • Movement: Calibre 321 column-wheel chronograph movement
  • Bezel material: black ceramic
Posted at
Dec 15, 2025, 12:00 AM
Active
[WTS] OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET!

OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET!

OMEGA - 311.92.44.30.01.001 · $10,000
The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 is a 44.25mm black ceramic watch that commemorates the 50th anniversary of the Apollo 8 mission, featuring a skeletonized dial and laser-ablated details to represent the lunar surface.

  • Condition: [UNWORN]
  • Case material: black ceramic
  • Diameter: 44.25mm
  • Movement: Calibre 1869
Posted at
Dec 14, 2025, 11:54 PM
Active
[WTS] Omega Speedmaster Moonphase  Ref. 304.33.44.52.01.001 (2024) - Pre-Owned Very Good Condition w/ Box & Papers

Omega Speedmaster Moonphase Ref. 304.33.44.52.01.001 (2024) - Pre-Owned Very Good Condition w/ Box & Papers

This is a stunning example of the iconic black-dial Moonphase Speedmaster with legendary METAS-certified Calibre 9904, photo-realistic moonphase discs, blue liquidmetal tachymeter bezel, and transparent caseback.

  • Condition: Pre-Owned very good condition
  • Case Diameter: 44.25mm
  • Movement: Automatic, Calibre 9904
  • Water Resistance: 10 ATM
Posted at
Dec 14, 2025, 10:29 PM
Active
[WTS] Omega Speedmaster Spiralwinder Ceramic Bezel for 3861

Omega Speedmaster Spiralwinder Ceramic Bezel for 3861

Omega - 3861 · $150
This is a Speedmaster Spiralwinder ceramic bezel insert designed for the 3861 Speedmaster Professional cases. It features a deep black ceramic with crisp white numerals and a DON90 tachymeter layout.

  • Compatible Reference: 3861
  • Bezel Material: ceramic
  • Tachymeter Layout: DON90 (Dot Over 90)
Posted at
Dec 14, 2025, 10:14 PM
Active
[WTS] Omega Omega Speedmaster
38 Co-axial Chronograph  Ref. 324.32.38.50.02.001 (2024) - Pre-Owned Very Good Condition w/ Box & Papers

Omega Omega Speedmaster 38 Co-axial Chronograph Ref. 324.32.38.50.02.001 (2024) - Pre-Owned Very Good Condition w/ Box & Papers

This Omega Speedmaster 38 Coaxial Chronograph features an elegant silver dial, chronograph functionality, and automatic movement in a stainless steel case with 10 ATM water resistance and 38mm diameter.

  • Condition: Pre-Owned very good condition
  • Case material: stainless steel
  • Diameter: 38mm
  • Movement: automatic Calibre 3330
Posted at
Dec 14, 2025, 10:07 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🟤

Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🟤

Omega - 145.022-69 · $15,150
This rare and fully original Omega Speedmaster Moonwatch features a stunning tropical brown dial with deep yellow patina across all indices and matching hands. The original blue bezel has aged attractively, taking on a rich blue tone that pairs perfectly with the tropical dial.

  • Condition: Very rare and fully original, beautiful condition
  • Size: 42mm diameter
  • Year: 1969
  • Case Back Type: flat case back
Posted at
Dec 14, 2025, 7:08 PM
Active
[WTS] Omega Speedmaster Moonphase 2024 Box and Papers with AD Receipt

Omega Speedmaster Moonphase 2024 Box and Papers with AD Receipt

Omega - Moonphase · $10,400
  • Year: 2024
  • Box Papers: yes
Posted at
Dec 14, 2025, 5:06 PM
Active
[WTS] Omega Speedmaster FOIS, Numbered Edition, Very Clean (2017), $4200 shipped

Omega Speedmaster FOIS, Numbered Edition, Very Clean (2017), $4200 shipped

This Omega Speedmaster FOIS is a numbered edition from 2017 with a very clean and smooth action.

  • Condition: Very good
  • Caliber: Omega 1861
  • Power reserve: 48 hours
  • Case dimensions: [object Object]
Posted at
Dec 14, 2025, 3:05 PM
Active
[WTS] Omega Dark Side of the Moon Speedmaster 311.92.44.30.01.001

Omega Dark Side of the Moon Speedmaster 311.92.44.30.01.001

The Omega Speedmaster Dark Side of the Moon features a black zirconium oxide ceramic case, bezel, and crystal, with a black dial and applied indices.

  • Condition: Great overall with light signs of use on the strap
  • Case size: 44.25mm diameter
  • Movement: Omega Co-Axial Calibre 9300 automatic chronograph
Posted at
Dec 14, 2025, 2:45 PM
Active