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 SAPPHIRE SANDWICH 310.30.42.50.01.002 COMPLETE 1/2026 BRAND NEW/UNWORN🔥

🔥OMEGA SPEEDMASTER SAPPHIRE SANDWICH 310.30.42.50.01.002 COMPLETE 1/2026 BRAND NEW/UNWORN🔥

This is a brand new, unworn Omega Speedmaster Sapphire Sandwich watch with a beautiful black dial and stainless steel case.

  • Condition: BRAND NEW/UNWORN
  • Case material: Stainless Steel
  • Case size: 42mm diameter
Posted at
Jan 19, 2026, 8:20 PM
Active
[WTS] Omega Speedmaster. Broadarrow. Automatic. Gorgeous Dial. Blue Hands, Indices. Strong Lume.

Omega Speedmaster. Broadarrow. Automatic. Gorgeous Dial. Blue Hands, Indices. Strong Lume.

Omega - 3551.20 · $3,550
This Omega Speedmaster features a broadarrow dial, automatic movement, and blue hands and indices with strong lume.

  • Shipping: Fedex with insurance
Posted at
Jan 19, 2026, 7:31 PM
Active
[WTS] Omega Speedmaster Pilot 332.10.41.51.01.002

Omega Speedmaster Pilot 332.10.41.51.01.002

The Omega Speedmaster Pilot is a new, unworn watch still in its original packaging with stickers intact.

  • Year: 2025
  • Status: new/unworn
Posted at
Jan 19, 2026, 7:16 PM
Active
[WTS] 2025 Omega Moonwatch Professional Speedmaster Sapphire Sandwich. Full set! Near New! 310.30.42.50.01.002

2025 Omega Moonwatch Professional Speedmaster Sapphire Sandwich. Full set! Near New! 310.30.42.50.01.002

A 2025 Omega Moonwatch Professional Speedmaster Sapphire Sandwich, considered a classic collectors piece with very light hairlines on the clasp. It's been worn only three times and comes with all original packaging.

  • Condition: Near New
  • Worn: 3 times
  • Retail price now: 9k
Posted at
Jan 19, 2026, 1:25 PM
Active
[WTS] Omega Speedmaster FOIS Anniversary Edition 310.30.40.50.06.001Box and Papers 2024 Good Condition - $6900 + 🏷️

Omega Speedmaster FOIS Anniversary Edition 310.30.40.50.06.001Box and Papers 2024 Good Condition - $6900 + 🏷️

This is the anniversary edition for the First Omega in Space Speedmaster, sharing the performance and DNA of an Omega Speedmaster Professional with the same 3861 movement. The watch features chronograph hands contrasting with the watch hands, making it a beautiful conversation piece.

  • Condition: Good Condition
  • Box And Papers: yes
  • Movement: 3861
  • Bracelet Links: spare links
Posted at
Jan 19, 2026, 11:23 AM
Active
[WTS] Omega Speedmaster Aqua Terra 38mm Full Set

Omega Speedmaster Aqua Terra 38mm Full Set

Omega - Aqua Terra 38mm · $4,250
Beautiful Omega Aqua Terra 38mm up for sale. It has a protective film on the case and bracelet, adding scratch protection.

  • Condition: Good pre-owned condition
  • Bracelet length: 6.75in
  • Strap material: rubber
  • Box contents: Inner and Outter Box, cards, tag, OEM bracelet, another set of WatchShell film and tweezers
Posted at
Jan 19, 2026, 10:52 AM
Active
[WTS] Omega Speedmaster Automatic Schumacher Ref. 3810.61.41 - $2995

Omega Speedmaster Automatic Schumacher Ref. 3810.61.41 - $2995

Omega - 3810.61.41 · $2,995
The Omega Speedmaster Automatic Schumacher Ref. 3810.61.41 is a unique limited edition watch.

  • Schumacher edition: limited edition
Posted at
Jan 19, 2026, 9:40 AM
Active
[WTS][US] Omega Speedmaster Broad Arrow - White Dial - 42mm - 3551.20.00 - Full Set

[US] Omega Speedmaster Broad Arrow - White Dial - 42mm - 3551.20.00 - Full Set

Omega - 3551.20.00 · $4,100
This Omega Speedmaster Broad Arrow features a white dial and 42mm case, coming in full set with watch, box, manuals, and triple cards.

  • Condition: Fantastic condition with minor hairlines on bracelet, case, and clasp
  • Case Diameter: 42mm
  • Year: 2006
Posted at
Jan 19, 2026, 8:51 AM
Active
[WTS] Omega Speedmaster ’57 Gold on Leather Strap 2025 MINT FULL 331.22.42.51.01.001

Omega Speedmaster ’57 Gold on Leather Strap 2025 MINT FULL 331.22.42.51.01.001

The Omega Speedmaster ’57 Gold on Leather Strap is a luxury watch for sale. The details of the watch are still coming, but it appears to be in mint condition.

  • Condition: MINT FULL
Posted at
Jan 18, 2026, 10:07 PM
Active