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 "First Omega in Space" (FOIS) w/ Box & Papers

Omega Speedmaster "First Omega in Space" (FOIS) w/ Box & Papers

A Omega Speedmaster 'First Omega in Space' watch with original box and papers.

  • Condition: Very good condition, some light signs of wear
  • Year Of Purchase: 2025
  • Box And Papers Included: Yes
Posted at
Feb 1, 2026, 6:49 PM
Active
[WTS] Omega Speedmaster Racing - 329.30.44.51.01.001 - Box and Papers!

Omega Speedmaster Racing - 329.30.44.51.01.001 - Box and Papers!

This Omega Speedmaster Racing Chronograph is a pre-owned timepiece in good condition, featuring a 44.25mm diameter case and a stainless steel bracelet.

  • Condition: Pre-owned with minor wear
  • Case Size: 44.25mm
  • Bracelet Material: stainless steel
Posted at
Feb 1, 2026, 5:51 PM
Active
[WTS] 2025 Omega Speedmaster Racing 44mm - 329.32.44.51.01.001 - Price Reduced!

2025 Omega Speedmaster Racing 44mm - 329.32.44.51.01.001 - Price Reduced!

This Omega Speedmaster Racing Co-Axial Master Chronometer Chronograph features a modern Caliber 9900 movement and bold orange racing accents.

  • Condition: Fantastic preowned condition, barely worn
  • Strap material: black micro-perforated leather with orange rubber lining
  • Movement type: Caliber 9900 Master Chronometer, Co-Axial, anti-magnetic, column-wheel chronograph
  • Power reserve: approximately 60-hour
Posted at
Feb 1, 2026, 5:02 PM
Active
[WTS] Omega Speedmaster Professional White Dial 42mm

Omega Speedmaster Professional White Dial 42mm

For sale is a 42MM Omega Speedmaster Professional White - Ref 310.30.42.50.04.001, complete with presentation box, booklets, Meta Chronometer card, pictogram certificate card, and warranty card.

  • Condition: preowned, fantastic condition with desk marks on the bracelet/clasp
  • Case size: 42mm diameter
  • Water resistance: no specified value
  • Box and papers: yes, included
Posted at
Feb 1, 2026, 4:58 PM
Active
[WTS] Omega Speedmaster “Silver Snoopy Award” 50th Anniversary Ref. 310.32.42.50.02.001 | 2025 | Brand New | Full Set

Omega Speedmaster “Silver Snoopy Award” 50th Anniversary Ref. 310.32.42.50.02.001 | 2025 | Brand New | Full Set

Omega - 310.32.42.50.02.001 · $14,959
The Omega Speedmaster Silver Snoopy Award 50th Anniversary is a highly collectible modern Speedmaster celebrating NASA's Silver Snoopy Award and Omega's pivotal role in space exploration.

  • Condition: Brand new, unworn
  • Year: 2025
  • Case Size: 42mm
  • Movement Type: manual wind
Posted at
Feb 1, 2026, 4:14 PM
Active
[WTS] Omega Speedmaster Two Counters Chronograph 44mm – BOX & PAPERS – 311.90.44.51.03.001

Omega Speedmaster Two Counters Chronograph 44mm – BOX & PAPERS – 311.90.44.51.03.001

The Omega Speedmaster Two Counters Chronograph is a 44mm watch with a chronograph function.

Posted at
Feb 1, 2026, 3:58 PM
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! 🔥$10,000🔥

OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 🔥$10,000🔥

OMEGA - 311.92.44.30.01.001 · $10,000
The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 watch commemorates the 50th anniversary of the Apollo 8 mission, featuring a black ceramic case and laser-ablated dial to represent the lunar surface. It has a Calibre 1869 movement with blackened bridges and mainplate.

  • Condition: UNWORN
  • Case material: black ceramic
  • Case size: 44.25mm
  • Movement: Calibre 1869
Posted at
Feb 1, 2026, 1:57 PM
Active
[WTS] OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET! 🔥$17,500🔥

OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET! 🔥$17,500🔥

OMEGA - 311.30.40.30.01.001 · $17,500
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.

  • Condition: UNWORN
  • Maker: OMEGA
  • Model name: Speedmaster Calibre 321 'Ed White'
  • Case size: 39.7mm diameter
Posted at
Feb 1, 2026, 1:45 PM
Active
[WTS] OEM OmegaSpeedmaster Moonwatch Black Rubber Strap and Deployant Clasp - $575

OEM OmegaSpeedmaster Moonwatch Black Rubber Strap and Deployant Clasp - $575

Omega - 032Z017245 · $575
Additional Details: Selling my rubber strap and deployant clasp for the Omega Speedmaster as I rarely use it since I prefer the bracelet.

  • Origin: purchased direct from an Omega boutique
  • Original Accessory: yes, OEM
Posted at
Feb 1, 2026, 12:49 PM
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