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 Triple Date Speedmaster - Automatic - Silver Dial - 3523.30.00

Omega Triple Date Speedmaster - Automatic - Silver Dial - 3523.30.00

Omega - 3523.30.00 · $2,100
The Omega Triple Date Automatic features a 39mm stainless steel case, silver dial, and classic triple calendar chronograph layout.

  • Condition: Very good overall
  • Case size: 39mm diameter
  • Movement: Omega Caliber 1151
Posted at
Jul 31, 2025, 2:46 PM
Active
[WTS] Omega Speedmaster Professional -Neo-Vintage Clean Example.

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Omega - 3590.50 · $4,500
This is the Omega Speedmaster Professional Moonwatch, an iconic watch that stayed true to the one worn on the moon. It features a Hesalite crystal and solid caseback.

  • Condition: excellent and unpolished with light signs of wear
  • Crystal type: Hesalite
  • Bracelet included: true
  • Other bracelet available: true
Posted at
Jul 31, 2025, 12:31 PM
Active
[WTS] Omega Speedmaster Reduced 3210.50

Omega Speedmaster Reduced 3210.50

Omega - 3210.50 · $5,500
The Omega Speedmaster Reduced is a smaller version of the classic Speedmaster watch, with a 40mm case diameter and a 14mm thickness.

Posted at
Jul 30, 2025, 11:19 PM
Active
[WTs] Omega Speedmaster LE CK2998

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Omega - CK2998 · $6,750
A beautiful Omega Speedmaster Anniversary CK2998 Limited Edition with a navy/cream color combination. It's inspired by the original 1959 Speed-master ref. 2998 and is an absolute stunner on the wrist.

  • Condition: Very good, minimal wear on the case
  • Movement: 1861
  • Size: 40mm diameter
  • Bracelet: Am uncle Seiko flat link bracelet
Posted at
Jul 30, 2025, 9:49 PM
Active
[WTS] Omega Speedmaster Chronoscope. $5350. Excellent like new condition. Ref: 329.30.43.51.02.002

Omega Speedmaster Chronoscope. $5350. Excellent like new condition. Ref: 329.30.43.51.02.002

A rare Omega Speedmaster Chronoscope is being listed for sale.

  • Condition: Excellent, like new condition
Posted at
Jul 30, 2025, 9:45 PM
Active
[WTS] Omega Speedmaster Racing (REDUCED)

Omega Speedmaster Racing (REDUCED)

The Omega Speedmaster Racing is a black dial watch with textured subdials, featuring a stainless steel bracelet and minor cosmetic flaws.

  • Condition: Pre-owned, minor scratches on bezel and hairline scratches on bracelet
  • Bezel condition: minor scratches at the 12 o'clock position
  • Bracelet size: 7.5mm
  • Bracelet material: stainless steel (full links)
Posted at
Jul 30, 2025, 7:06 PM
Active
[WTS] Omega Speedmaster Reduced “Albino Dial” 3510.20.00

Omega Speedmaster Reduced “Albino Dial” 3510.20.00

Omega - 3510.20.00 · $4,699
This rare Omega Speedmaster Reduced features an 'Albino' dial and is available for purchase in good condition, having been polished to retail readiness.

  • Condition: pre-owned, good condition
Posted at
Jul 30, 2025, 1:49 PM
Active
[WTS] Omega Speedmaster Professional 3570.50 3450$

Omega Speedmaster Professional 3570.50 3450$

Omega - 3570.50 · $3,450
This Omega Speedmaster Professional Ref 3570.50 features a 42mm dial and manual winding movement, running well and keeping time.

  • Condition: Very nice condition with no significant wear signs
  • Movement type: Manual winding
  • Diameter: 42mm
Posted at
Jul 30, 2025, 1:32 PM
Active
[WTS] Omega Speedmaster Moonphase c.2005 (Ref. 3576.50.00) - Box and Papers, 1-Year Warranty

Omega Speedmaster Moonphase c.2005 (Ref. 3576.50.00) - Box and Papers, 1-Year Warranty

Omega - 3576.50.00 · $6,700
The Omega Speedmaster Moonphase c.2005 combines the classic Speedy design with a moonphase and date complication, as well as a sapphire exhibition case back.

  • Condition: like new
  • Year: 2005
  • Box and papers included: true
  • Warranty included: 1-Year Mechanical Warranty
Posted at
Jul 30, 2025, 12:22 PM
Active