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

FSO Like New Omega Speedmaster Professional Moonwatch - $4,650 - Ref 310.30.42.50.01.001

FSO Like New Omega Speedmaster Professional Moonwatch - $4,650 - Ref 310.30.42.50.01.001

Omega - 310.30.42.50.01.001 · $4,650.005
The Omega Speedmaster Professional Moonwatch is a high-end watch with a hesalite crystal, running within spec and featuring a flawless design.

  • Condition: Like New
  • Crystal type: hesalite
  • Bracelet adjustment: on the fly adjustment clasp
  • Warranty: no warranty included
Posted at
Jun 7, 2025, 10:09 AM
Active
FSO Like New Omega Speedmaster Professional Moonwatch - $4,550 - Ref 310.30.42.50.01.001

FSO Like New Omega Speedmaster Professional Moonwatch - $4,550 - Ref 310.30.42.50.01.001

Omega - 310.30.42.50.01.001 · $4,550.005
This Omega Speedmaster Professional Moonwatch is a few weeks old, purchased new from Watchmaxx, and has been worn only a dozen times carefully. It looks amazing and includes all original packaging and accessories.

  • Condition: Like new
  • Hesalite crystal: true
  • On the fly adjustment clasp: yes
  • Bracelet: new
Posted at
Jun 7, 2025, 10:09 AM
Active
FSO Like New Omega Speedmaster Professional Moonwatch - $4,450 - Ref 310.30.42.50.01.001

FSO Like New Omega Speedmaster Professional Moonwatch - $4,450 - Ref 310.30.42.50.01.001

Omega - 310.30.42.50.01.001 · $4,450.004
This Omega Speedmaster Professional Moonwatch features a hesalite crystal and is in flawless condition, with no scratches or marks of any kind. It has been worn carefully only a dozen times and runs within spec.

  • Condition: Like New
  • Age: a few weeks old
  • Bracelet: new bracelet with on the fly adjustment clasp
  • Crystal: hesalite crystal
Posted at
Jun 7, 2025, 10:09 AM
Active
FSO - Omega Speedmaster Professional Moonwatch - Ref 310.30.42.50.01.001

FSO - Omega Speedmaster Professional Moonwatch - Ref 310.30.42.50.01.001

Omega - 310.30.42.50.01.001 · $5,500.006
A brand-new Omega Speedmaster Professional Moonwatch with hesalite crystal, purchased only a few weeks ago from Watchmaxx.

  • Condition: Flawless and like new
  • Warranty: No warranty included
  • Crystal type: Hesalite crystal
Posted at
Jun 7, 2025, 10:09 AM
Active
Withdrawn Omega Speedmaster Professional Moonwatch - Ref 310.30.42.50.01.001

Withdrawn Omega Speedmaster Professional Moonwatch - Ref 310.30.42.50.01.001

Omega - 310.30.42.50.01.001 · $5,250.005
This Omega Speedmaster Professional Moonwatch is a few weeks old, purchased from Watchmaxx on May 19th of this year, and has been worn only a dozen times carefully. It is running within spec and looks amazing.

  • Condition: Like new
  • Material: Hesalite crystal
  • Warranty: No warranty included
Posted at
Jun 7, 2025, 10:09 AM
Active
[wts] MINT JAN 2025 Omega Speedmaster racing 9900 44.25mm 329.30.44.51.01.001

MINT JAN 2025 Omega Speedmaster racing 9900 44.25mm 329.30.44.51.01.001

This Omega Speedmaster racing is a really clean piece with a 44.25mm case size, featuring a January 2025 production date and coming with the full set of accessories. It's available for sale at a discounted price.

  • Condition: Mint
  • Case size: 44.25mm diameter
  • Warranty status: Full
Posted at
Jun 7, 2025, 12:08 AM
Active
[wts] Omega Speedmaster racing 9900 44.25mm 329.33.44.51.01.001 under warranty

Omega Speedmaster racing 9900 44.25mm 329.33.44.51.01.001 under warranty

This Omega Speedmaster racing watch is a 44.25mm model with factory warranty, dated OCT 2024.

  • Condition: good
  • Warranty: factory
  • Size: 44.25mm diameter
Posted at
Jun 6, 2025, 10:52 PM
Active
Omega Speedmaster - Silver Snoopy - 310.32.42.50.02.001 ( excellent )

Omega Speedmaster - Silver Snoopy - 310.32.42.50.02.001 ( excellent )

Omega - 310.32.42.50.02.001 · $14,950.001
This Omega Speedmaster Moonwatch Silver Snoopy Award 50th Anniversary is a stainless steel watch with a 42mm case and an Omega Master Chronometer Movement.

  • Condition: Excellent
  • Case material: stainless steel
  • Case size: 42mm
Posted at
Jun 6, 2025, 3:22 PM
Active