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 Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

This Omega Speedmaster Moonwatch Professional features a white dial and is in perfect working condition, including its full set of accessories.

  • Condition: pristine with minor hairlines on clasp, case, and bracelet
  • Case size: 42mm diameter
Posted at
Mar 27, 2026, 8:01 AM
Active
[WTS] Omega Speedmaster Reduced 39mm Tritium Patina 175.0032 - Cal. 1140

Omega Speedmaster Reduced 39mm Tritium Patina 175.0032 - Cal. 1140

Omega - ST 175.0032 · $2,299
This Omega Speedmaster Reduced features a beautiful tritium patina dial, giving it an authentic vintage character.

  • Condition: Pre-owned with honest signs of use and some scratches
  • Movement: Omega Caliber 1140 Automatic (46 jewels)
  • Case size: 39mm
  • Caseback: Solid Omega press on caseback
Posted at
Mar 27, 2026, 4:43 AM
Active
[WTS] Omega Speedmaster Professional Moonwatch 3570.50

Omega Speedmaster Professional Moonwatch 3570.50

Omega - 3570.50 · $4,000
Additional Details: Omega Speedmaster Professional 3570.00 Full Set Original box, outer box, hang tag, original bracelet with spare link, one piece Velcro strap, integrated rubber strap with deployment clasp.

  • Condition: daily wear condition, case 8/10, original Hesalite 9/10, bracelet 8/10
  • Box Status: full set
  • Bracelet Status: original with spare link
  • Strap Count: 3
Posted at
Mar 26, 2026, 9:38 PM
Active
[WTS] Omega Speedmaster Trilogy 311.10.39.30.01.001 Limited Edition Box & Papers

Omega Speedmaster Trilogy 311.10.39.30.01.001 Limited Edition Box & Papers

Up for sale is a Omega Speedmaster Trilogy Limited Edition watch with manual wind chronograph movement and stainless steel case.

  • Condition: Great condition overall
  • Case size: 39mm diameter
  • Limited pieces: 3557
  • Movement: manual wind chronograph
Posted at
Mar 26, 2026, 7:35 PM
Active
[WTS] 2024 Omega Speedmaster Moonwatch Professional White Dial 310.30.42.50.04.001 – Full Set $7,700 Shipped

2024 Omega Speedmaster Moonwatch Professional White Dial 310.30.42.50.04.001 – Full Set $7,700 Shipped

This modern take on the iconic Moonwatch features a crisp white lacquered dial paired with black subdials and bezel, creating a high-contrast, highly legible design that stands out from the traditional black dial variant. Powered by Omega’s Master Chronometer Caliber 3861, this manual-wind chronograph offers exceptional accuracy, anti-magnetic resistance, and the same heritage as the original Moonwatch.

  • Condition: Mint
  • Case size: 42mm
  • Movement: Manual-wind chronograph (Omega Caliber 3861)
  • Crystal: Sapphire
Posted at
Mar 26, 2026, 5:46 PM
Active
[WTS] Omega Speedmaster First Omega In Space (FOIS)

Omega Speedmaster First Omega In Space (FOIS)

Additional Details: Omega Speedmaster 'First Omega in Space' (FOIS) reference number 311.32.40.30.01.001, Size: 39.7mm

  • Case size: 39.7mm
  • Straps included: 6
Posted at
Mar 26, 2026, 2:52 PM
Active
[WTS] 2019 Omega Speedmaster (FOIS) - 311.32.40.30.01.001 - Box and Papers - $4,295 Shipped ✈️

2019 Omega Speedmaster (FOIS) - 311.32.40.30.01.001 - Box and Papers - $4,295 Shipped ✈️

This Omega Speedmaster 'First Omega in Space' is a highly sought-after model featuring a classic straight-lug case and vintage-inspired design.

  • Condition: Pre-owned, fantastic condition with minimal wear
  • Year: 2019
  • Size: 39.7mm diameter
  • Case type: Straight-lug case
Posted at
Mar 26, 2026, 1:34 PM
Active
[WTS] OMEGA Speedmaster 3520.53 MK40 Chronograph Automatic Cal Ω 1151 SERVICED - 39 mm

OMEGA Speedmaster 3520.53 MK40 Chronograph Automatic Cal Ω 1151 SERVICED - 39 mm

  • Case size: 39mm diameter
  • Movement: Cal Ω 1151 Chronograph Automatic
Posted at
Mar 26, 2026, 12:47 PM
Active