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 310.304.25.001.002 ♦️Like New 2022♦️

Omega Speedmaster Moonwatch 310.304.25.001.002 ♦️Like New 2022♦️

This Omega Speedmaster Moonwatch is a recent 2022 model, in excellent condition and comes with the full set of box and papers.

  • Condition: Like New
  • Year Of Manufacture: 2022
  • Calibre: Calibre 65
  • Payment Methods: Bank Wire, Credit card (+4.9%), Crypto
Posted at
Apr 7, 2026, 12:17 AM
Active
[WTS] Omega Speedmaster 40 3211.31

Omega Speedmaster 40 3211.31

Omega - 3211.31 · $2,499
This Omega Speedmaster is a watch only, featuring a 40mm case and a 7-inch bracelet with a minor scratch on the crystal.

  • Condition: Minor scratch on crystal
  • Case size: 40mm
Posted at
Apr 6, 2026, 8:13 PM
Active
[WTS][US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW

[US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW

Omega - 310.30.42.50.01.004 · $10,950
This Omega Speedmaster Moonwatch Professional features a 42mm case and is part of the Reverse Panda collection.

  • Condition: Brand new, unworn, and in pristine condition
  • Case Size: 42mm diameter
Posted at
Apr 6, 2026, 3:53 PM
Active
[WTS] Omega Speedmaster Reduced Champagne Dial – Strong Timegrapher, Running Well – $2,500 OBO

Omega Speedmaster Reduced Champagne Dial – Strong Timegrapher, Running Well – $2,500 OBO

Omega - 3510/3310 · $2,500
A Omega Speedmaster Reduced in champagne dial configuration, with a clean design and good performance.

  • Condition: Very good condition with normal wear for its age
  • Bracelet type: Aftermarket flatlink-style
  • Bracelet size: Not specified
  • Movement performance: Running well with +5 sec/day, ~291° amplitude, and 0.22 ms beat error
Posted at
Apr 6, 2026, 2:52 PM
Active
[WTS] 1969 Omega Speedmaster 145022 69- Dot Close To 70 Bezel

1969 Omega Speedmaster 145022 69- Dot Close To 70 Bezel

Omega - 145022-69 · $10,950
A 1969 Omega Speedmaster, reference 145022-69, a highly coveted collector's item featuring an original Dot Close To 70 Bezel and all-original components.

  • Condition: Very good condition with honest signs of previous wear
  • Case size: 42 mm
  • Bezel condition: Faded to a nice greyish black with a few contact marks
  • Dial condition: Original Omega black dial in very attractive condition with even patina
Posted at
Apr 6, 2026, 12:58 PM
Active
[WTS] Omega 3511.80.00 Speedmaster Automatic Blue Dial — Full Set (Box/Card/Instructions) — $2,100 Shipped (Tariff Covered)

Omega 3511.80.00 Speedmaster Automatic Blue Dial — Full Set (Box/Card/Instructions) — $2,100 Shipped (Tariff Covered)

Omega - 3511.80.00 · $2,100
This Omega Speedmaster Automatic ref. 3511.80.00 features a blue dial and is offered as a full set with box, instructions, and card.

  • Condition: Good overall, with light signs of wear consistent with use
  • Case dimensions: 39mm x 43.5mm x 13.5mm
  • Lug width: 18mm
  • Movement: Omega Cal. 1152 (based on the Valjoux 7750)
Posted at
Apr 6, 2026, 12:29 PM
Active
[WTS] Omega Speedmaster Dark Side of the Moon ‘Team Alinghi’ - 311.92.44.30.01.002

Omega Speedmaster Dark Side of the Moon ‘Team Alinghi’ - 311.92.44.30.01.002

Up for sale is my Omega Speedmaster Dark Side of the Moon ‘Team Alinghi’, reference 311.92.44.30.01.002, featuring a modern and technical look with a black ceramic case, partially skeletonized dial, and manual-wind calibre 1865.

  • Case size: 44.25mm
  • Movement type: manual-wind
  • Calibre: 1865
Posted at
Apr 6, 2026, 9:33 AM
Active
[WTS] Omega Speedmaster Reduced 3510.12.00 “Michael Schumacher” Racing — Fresh Service — $2,800 Shipped (Tariff Covered)

Omega Speedmaster Reduced 3510.12.00 “Michael Schumacher” Racing — Fresh Service — $2,800 Shipped (Tariff Covered)

Omega - 3510.12.00 · $2,800
A rare Omega Speedmaster Reduced with a vibrant yellow racing dial and classic layout, featuring a 39mm case with 45mm lug-to-lug and powered by the Omega Cal. 1141 automatic chronograph movement.

  • Condition: Pre-owned, serviced with minor wear consistent with age
  • Case size: 39mm diameter
  • Lug width: 18mm
  • Thickness including crystal: 11.5-12mm
Posted at
Apr 6, 2026, 7:32 AM
Active
[WTS] Omega Speedmaster Moonwatch White Dial 310.30.42.50.04.001 - $7150

Omega Speedmaster Moonwatch White Dial 310.30.42.50.04.001 - $7150

For sale is an Omega Speedmaster Moonwatch White Dial in excellent condition, complete with all original packaging and accessories.

  • Condition: Overall mint condition with minor marks
  • Case size: 42mm diameter
  • Box and papers: full set
Posted at
Apr 5, 2026, 4:52 PM
Active