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 Professional Moonwatch – Ref. 310.30.42.50.01.001 – Excellent Condition – Watch Only

Omega Speedmaster Professional Moonwatch – Ref. 310.30.42.50.01.001 – Excellent Condition – Watch Only

This Omega Speedmaster Professional Moonwatch features the iconic Hesalite crystal and manual-wind Master Chronometer movement, staying true to its heritage while adding updated movement technology and finishing.

  • Condition: Excellent condition, Near mint
  • Case Size: 42mm
  • Movement: Manual-wind Co-Axial Master Chronometer (Cal. 3861)
  • Crystal: Hesalite
Posted at
Apr 3, 2026, 7:15 PM
Active
[WTS] Price Drop Omega SpeedMaster Pilot 40.85mm

Price Drop Omega SpeedMaster Pilot 40.85mm

The Omega Speedmaster Pilot Chronograph is a modern aviation-inspired chronograph that blends legendary Speedmaster DNA with a clean, instrument-driven design.

  • Case Size: 40.85mm
  • Case Material: Stainless Steel
  • Dial: Matte Black
Posted at
Apr 3, 2026, 4:53 PM
Active
[WTS] Omega Speedmaster Professional White Dial - $7,150

Omega Speedmaster Professional White Dial - $7,150

This Omega Speedmaster Professional features a beautiful white lacquered dial with red lettering, sapphire crystal and caseback, and a gorgeous 3861 movement. It comes on a metal band in very good condition and includes an additional OEM Omega black leather band.

  • Condition: Very good condition, minor hairline scratches
  • Movement: 3861
  • Year serviced: 2026
  • Warranty condition: 2024 dated
Posted at
Apr 3, 2026, 3:27 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional Chronograph 42MM “Reverse Panda” - Reference 310.30.42.50.01.004 Box and Papers card dated 2/2026

Omega Speedmaster Moonwatch Professional Chronograph 42MM “Reverse Panda” - Reference 310.30.42.50.01.004 Box and Papers card dated 2/2026

Omega - 310.30.42.50.01.004 · $10,300
This Omega Speedmaster Professional Moonwatch features a 42mm stainless steel case and a black 'reverse panda' dial with crisp white subdials, powered by Omega's Master Chronometer Caliber 3861.

  • Condition: Excellent, minimal signs of wear
  • Case size: 42mm diameter
  • Water resistance: 30m depth rating
  • Movement: Master Chronometer Caliber 3861
Posted at
Apr 3, 2026, 12:14 PM
Active
[WTS] Omega Speedmaster Date 38.5mm 3513.54

Omega Speedmaster Date 38.5mm 3513.54

Omega - 3513.54 · $1,750
For sale is an Omega Speedmaster Date 38.5mm, from 1998, running great and functions properly.

  • Condition: Good condition with minor wear and scratches
  • Year of manufacture: 1998
  • Payment methods accepted: Cryptocurrency with fee, credit/debit card, etc.
  • Location: Southwest FL
Posted at
Apr 3, 2026, 9:55 AM
Active
[WTS] Omega Speedmaster Racing 326.30.40.50.03.001

Omega Speedmaster Racing 326.30.40.50.03.001

For sale is an Omega Speedmaster Racing, reference number 326.30.40.50.03.001. This watch is in great condition there is some light wear around the watch but nothing that big or super noticeable.

  • Condition: great with some light wear
  • Payment Methods Accepted: pretty much every method including crypto
  • Meet Up Locations: southwest FL, locally
Posted at
Apr 3, 2026, 9:53 AM
Active
[WTS] Omega Speedmaster Professional (310.30.42.50.04.001)

Omega Speedmaster Professional (310.30.42.50.04.001)

This Omega Speedmaster Professional features a white dial on a steel bracelet and comes with boxes, booklet, and warranty card dated February 2026.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Bracelet material: Stainless Steel
  • Crystal type: Sapphire
Posted at
Apr 3, 2026, 8:32 AM
Active
[WTS] Omega Speedmaster 3861 Sapphire 🔥Preowned 2021 Complete, $5200+✈️🔥

Omega Speedmaster 3861 Sapphire 🔥Preowned 2021 Complete, $5200+✈️🔥

This Omega Speedmaster is a preowned watch from 2021, complete with its original box and warranty. It's currently mounted on an aftermarket leather strap due to the missing original Omega Strap / Buckle / Clasp.

  • Condition: Preowned
  • Case size: 40mm diameter
  • Missing accessories: original Omega Strap / Buckle / Clasp
  • Shipping details: shipped from Singapore Office
Posted at
Apr 3, 2026, 8:25 AM
Active
[WTS][US] Omega Speedmaster Calibre 321 - Ed White - Black Dial - 39.7mm - 311.30.40.30.01.001 - Full Set

[US] Omega Speedmaster Calibre 321 - Ed White - Black Dial - 39.7mm - 311.30.40.30.01.001 - Full Set

Omega - 311.30.40.30.01.001 · $15,800
This Omega Speedmaster Calibre 321 is a 39.7mm Ed White model featuring a black dial. It comes in full set condition with various accessories.

  • Condition: pristine with minor hairlines
  • Case size: 39.7mm diameter
  • Bracelet condition: pristine
Posted at
Apr 3, 2026, 8:06 AM
Active