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] 2025 OMEGA Speedmaster Moonwatch Professional White on Black Rubber Deployant 310.32.42.50.04.001 Full Set

2025 OMEGA Speedmaster Moonwatch Professional White on Black Rubber Deployant 310.32.42.50.04.001 Full Set

A 2025 Omega Speedmaster Moonwatch Professional with a white lacquered dial, presented on a black rubber strap with a deployant buckle.

  • Condition: Pristine pre-owned condition, minor wear on case back and clasp
  • Case size: 42mm
  • Case thickness: 13.2mm
  • Movement: Manual-Winding Co-Axial Master Chronometer Calibre 3861 (METAS certified)
Posted at
May 13, 2026, 2:35 PM
Active
[WTS] Omega Speedmaster - 311.92.44.51.01.007 (Dark Side of the Moon)

Omega Speedmaster - 311.92.44.51.01.007 (Dark Side of the Moon)

The Dark Side of the Moon is a limited edition Omega Speedmaster reference 311.92.44.51.01.007.

  • Model name: Dark Side of the Moon
Posted at
May 13, 2026, 2:02 PM
Active
[WTS] OMEGA Speedmaster Moonwatch 3861 Sapphire Sandwich - Very Good Condition - Watch Only on Hirsch Robby Sailcloth - ONLY $4999 SHIPPED CONUS

OMEGA Speedmaster Moonwatch 3861 Sapphire Sandwich - Very Good Condition - Watch Only on Hirsch Robby Sailcloth - ONLY $4999 SHIPPED CONUS

This OMEGA Speedmaster Moonwatch is for sale, a well-cared-for timepiece that runs perfectly and comes with a worn Hirsch Robby sailcloth strap. The watch has been well-maintained and shows minimal signs of wear.

  • Condition: Very Good Condition
  • Strap Material: sailcloth
  • Case Back: sapphire
Posted at
May 13, 2026, 10:13 AM
Active
[WTS] Omega Speedmaster Date (3513.30)

Omega Speedmaster Date (3513.30)

Omega - 3513.30 · $2,425
This Omega Speedmaster date features a silver dial on a steel bracelet, produced from 1998-2010. It comes with the hangtag and an open warranty card.

  • Condition: excellent condition for its age
  • Case Size: 39mm diameter
  • Case Material: stainless steel
  • Bracelet Material: stainless steel
Posted at
May 13, 2026, 8:25 AM
Active
[WTS] Omega Speedmaster 3523.80 39mm - $1,750

Omega Speedmaster 3523.80 39mm - $1,750

Omega - 3523.80 · $1,750
Up for sale is my Omega Speedmaster 3523.80 39mm, an automatic caliber Omega 1151 movement in a steel case on original Omega steel bracelet.

  • Condition: Great condition with minimal hairlines/marks on case, caseback, and bracelet
  • Caliber: Omega 1151 movement
  • Case size: 39mm diameter
  • Bracelet length adjustment: up to 7-7.25 inch wrists
Posted at
May 13, 2026, 4:06 AM
Active
[WTS] Omega. Speedmaster. Reverse Panda. Box and Papers. $1999 Massive Reduction!!

Omega. Speedmaster. Reverse Panda. Box and Papers. $1999 Massive Reduction!!

This Omega Speedmaster Reverse Panda is a high-end watch featuring a unique reverse panda dial. It comes complete with its original box, papers, and warranty.

  • Condition: 7.75/10, has wear around bezel and some flea bites on crystal
  • Bracelet length: ~20 links to fit 7inch wrist
  • Condition rating: 7.75/10
Posted at
May 12, 2026, 9:13 PM
Active
[WTS] Omega Speedmaster 18mm Bracelet Only OEM

Omega Speedmaster 18mm Bracelet Only OEM

Omega - 3513.50 · $399
This listing is for an Authentic Omega 18mm bracelet from a Speedmaster date 3513.50, suitable for small to medium sized wrists.

  • Bracelet type: OEM
  • Links: 19 links
  • Wrist size range: small to medium
Posted at
May 12, 2026, 6:31 PM
Active
[WTS] 2026 New White Omega Speedmaster, $8k

2026 New White Omega Speedmaster, $8k

Omega - Speedmaster · $8,000
2026 New White Omega Speedmaster for sale. Additional details can be found at the provided Imgur link.

  • Year: 2026
  • Color: white
Posted at
May 12, 2026, 5:21 PM
Active
[WTS] Omega Speedmaster Darkside of the Moon 311.92.44.51.01.005

Omega Speedmaster Darkside of the Moon 311.92.44.51.01.005

For sale is a Omega Speedmaster Dark Side of the Moon, which comes in pristine condition as shown in the pics.

  • Condition: mint condition
  • Box and papers: included
  • Cards: none available
Posted at
May 12, 2026, 4:36 PM
Active