Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel - Moonshine Gold / Silver

Reference 310.20.42.50.02.001

Omega Speedmaster Professional Moonwatch 3861 Stainless Steel - Moonshine Gold / Silver

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 White Dial Moonwatch 3861 — Full Kit, Boutique Dated 11/2024, On Bracelet, $7400

Omega Speedmaster White Dial Moonwatch 3861 — Full Kit, Boutique Dated 11/2024, On Bracelet, $7400

Omega - 310.30.42.50.04.001 · $7,400
A white dial Omega Speedmaster Professional Moonwatch with a manual-wind charm and step dial, featuring a brighter and sharper look than the standard black dial.

  • Condition: Very good overall with honest light wear from normal careful use
  • Diameter: 42mm
  • Bracelet type: With push-button micro-adjust introduced in 2023
Posted at
Apr 1, 2026, 9:57 AM
Active
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[WTS] OEM Omega Speedmaster Bracelet 3861 Full links (20mm) Excellent Conditions

OEM Omega Speedmaster Bracelet 3861 Full links (20mm) Excellent Conditions

Omega - 3861 · $680
For sale is an OEM Omega Speedmaster bracelet for the 3861 model, featuring the updated taper and improved comfort of the newer generation.

  • Condition: Excellent overall condition
  • Lug-width: 20mm
  • Material: Stainless steel
  • Clasp-type: Updated Omega clasp with micro-adjustment
Posted at
Apr 1, 2026, 7:51 AM
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[WTS] Incredible Vintage 18K Gold Omega Speedmaster “Tribute to Astronauts” ref BA145.022 Unpolished Collector Example!

Incredible Vintage 18K Gold Omega Speedmaster “Tribute to Astronauts” ref BA145.022 Unpolished Collector Example!

Omega - BA145.022 · $48,500
This is a vintage 18K gold Omega Speedmaster 'Tribute to Astronauts' ref BA145.022, one of only 1014 made in 1969. It features an 18K gold dial, onyx hour markers, and a 42MM solid 18K yellow gold case with a correct DON maroon bezel.

  • Condition: Excellent, unpolished collector's example with patina
  • Case size: 42mm
  • Bezel type: DON (dot over 90) maroon bezel
  • Bracelet length: 7.5 inches
Posted at
Mar 31, 2026, 9:21 PM
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[WTS] 2026 Omega Speedmaster “Milano Cortina” 522.30.38.50.04.002 *7495 SHIPPED*

2026 Omega Speedmaster “Milano Cortina” 522.30.38.50.04.002 *7495 SHIPPED*

Omega - 522.30.38.50.04.002 · $7,495
The Omega Speedmaster Milano Cortina 2026 is a 38mm stainless steel watch with a blue bezel, blending iconic Speedmaster heritage with modern proportions.

  • Condition: Brand New
  • Case size: 38mm diameter
  • Movement type: automatic chronograph
Posted at
Mar 31, 2026, 8:44 PM
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[WTS] 2023 Omega Speedmaster 57 40.5mm Steel Burgundy Dial 332.12.41.51.11.001 Full Set

2023 Omega Speedmaster 57 40.5mm Steel Burgundy Dial 332.12.41.51.11.001 Full Set

Omega - 332.12.41.51.11.001 · $5,700
This is a 2023 Omega Speedmaster 57 featuring a stainless steel case with a burgundy dial and broad arrow hands. It's powered by a manual wind mechanical movement.

  • Condition: Preowned condition with light scratches and minor damage
  • Case material: Stainless Steel
  • Case dimensions: 40.5mm diameter
  • Bezel material: Stainless Steel
Posted at
Mar 31, 2026, 8:37 PM
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[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

Omega - 310.30.42.50.01.001 · $5,499
This Omega Speedmaster Professional Moonwatch features the iconic Hesalite crystal and manual-wind Master Chronometer movement. It's in excellent condition with only extremely light signs of wear, still showing its original caseback sticker intact.

  • Condition: Excellent
  • Movement: Manual-wind Co-Axial Master Chronometer (Cal. 3861)
  • Crystal: Hesalite
  • Case size: 42mm
Posted at
Mar 31, 2026, 7:59 PM
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[WTS] Omega Speedmaster 38 Full Kit

Omega Speedmaster 38 Full Kit

Omega - Speedmaster 38 · $4,500
Personally bought new in January 2022, full kit with original receipts and cards, fresh service from Omega.

  • Condition: pre-owned, scratches from daily wear
  • Bracelet Type: stainless steel
  • Bracelet Price: 700
  • Year Of Purchase: 2022
Posted at
Mar 31, 2026, 7:43 PM
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[WTS] Omega Speedmaster. Moonwatch + Moonphase. Sapphire Sandwich.

Omega Speedmaster. Moonwatch + Moonphase. Sapphire Sandwich.

Omega - Speedmaster Moonwatch · $4,950
The Omega Speedmaster is a legendary watch known for its iconic design and reliability, making it a popular choice among collectors.

  • Condition: Very clean
  • Location: Located in NJ, USA
  • Shipping: Fedex with insurance to global destinations
Posted at
Mar 31, 2026, 6:47 PM
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[WTS] 2025 Omega Speedmaster Dark Side of the Moon “Apollo 8” Rocket Hand | Ref. 310.92.44.50.01.001 | Complete Set | $12,995 + ✈️

2025 Omega Speedmaster Dark Side of the Moon “Apollo 8” Rocket Hand | Ref. 310.92.44.50.01.001 | Complete Set | $12,995 + ✈️

Omega - 310.92.44.50.01.001 · $12,995
The 2025 Omega Speedmaster Dark Side of the Moon “Apollo 8” features a black ceramic case, skeletonized lunar-surface dial, and manual wind movement with impressive visual depth.

  • Condition: Like new
  • Case size: 44.25mm diameter
  • Movement type: Manual Wind (Omega Co-Axial Master Chronometer Calibre 3869)
  • Material: Black Ceramic Case
Posted at
Mar 31, 2026, 5:17 PM
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