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 FOIS “First Omega in Space”. 310.32.40.50.06.002. Full Kit.

Omega Speedmaster FOIS “First Omega in Space”. 310.32.40.50.06.002. Full Kit.

Omega - 310.32.40.50.06.002 · $6,295
  • Model name: Speedmaster FOIS 'First Omega in Space'
  • Shipping: Fedex with insurance worldwide
Posted at
May 23, 2026, 10:50 AM
Active
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[WTS] Memorial Day Weekend Sale – Omega Speedmaster Professional 3861 Sapphire (2022) – Full Set – Original Clasp + Micro-adjust Clasp – $6375 + shipping obo

Memorial Day Weekend Sale – Omega Speedmaster Professional 3861 Sapphire (2022) – Full Set – Original Clasp + Micro-adjust Clasp – $6375 + shipping obo

Omega - 3861 Sapphire · $6,375
This is the latest generation Omega Speedmaster Professional Moonwatch with a Co-Axial Master Chronometer movement and sapphire crystal front and back, available in excellent overall condition.

  • Condition: Excellent overall condition, very light wear from normal use
  • Movement: Co-Axial Master Chronometer
  • Crystal: sapphire crystal, both front and back
Posted at
May 23, 2026, 9:56 AM
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[WTS] Omega Speedmaster Professional (310.30.42.50.01.002)

Omega Speedmaster Professional (310.30.42.50.01.002)

Omega - 310.30.42.50.01.002 · $6,550
This Omega Speedmaster Professional features a black dial, sapphire crystal on a steel bracelet, and is in excellent condition with only a few light marks.

  • Condition: Excellent condition with a few light marks
  • Case Size: 42mm diameter
  • Case Material: Stainless Steel
  • Bracelet Material: Stainless Steel
Posted at
May 23, 2026, 7:27 AM
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[WTS] Omega Speedmaster Professional "Hesalite" 311.30.42.30.01.005 - $4500

Omega Speedmaster Professional "Hesalite" 311.30.42.30.01.005 - $4500

Omega - 31130423001005 · $4,500
For sale is a beloved Omega Speedmaster Professional Hesalite Moonwatch with a discontinued model caliber 1861. It has never been polished or serviced and comes with inner, outer boxes, and all manuals.

  • Condition: Pre-owned with wear on the clasp
  • Caliber: Calibre 1861
  • Movement accuracy: +7s/d
  • Box set: Comes with inner and outer boxes, manuals
Posted at
May 22, 2026, 10:38 PM
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[WTS] Memorial Day Weekend Sale – Omega Speedmaster Professional 3861 Sapphire (2022) – Full Set – Original Clasp + Micro-adjust Clasp – $6375 + shipping obo

Memorial Day Weekend Sale – Omega Speedmaster Professional 3861 Sapphire (2022) – Full Set – Original Clasp + Micro-adjust Clasp – $6375 + shipping obo

Omega - 3861 Sapphire · $6,375
A classic Omega Speedmaster Professional Moonwatch from 2022, featuring a Co-Axial Master Chronometer movement and sapphire crystal front and back. It's in excellent condition, with clean crystal and a great-bracelet.

  • Condition: Excellent overall condition
  • Case size: 40mm diameter
  • Water resistance: 50m water resistant
Posted at
May 22, 2026, 10:36 PM
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[WTS] Memorial Day Weekend Sale – Omega Speedmaster Reduced “Red Schumacher” 3510.61 – OG Bracelet – $2945 + shipping OBO

Memorial Day Weekend Sale – Omega Speedmaster Reduced “Red Schumacher” 3510.61 – OG Bracelet – $2945 + shipping OBO

Omega - 3510.61 · $2,945
This Omega Speedmaster Reduced ‘Red Schumacher’ is a unique and collectible variant of the Speedmaster line, featuring a bright red dial, original bracelet, and late 90s / early 2000s Omega styling.

  • Condition: Very nice condition for its age with normal light wear consistent with use
  • Bracelet size: ~6.75 inch wrist diameter
  • Additional links included: 2
  • Movement type: Automatic chronograph
Posted at
May 22, 2026, 10:34 PM
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[WTS] Omega Speedmaster 57’ Co Axial Chronograph 41.5mm Ref. 321.10.42.50.01.001 Full Set $3,895 Shipped

Omega Speedmaster 57’ Co Axial Chronograph 41.5mm Ref. 321.10.42.50.01.001 Full Set $3,895 Shipped

Omega - 321.10.42.50.01.001 · $3,895
This is the modern automatic Speedmaster '57 featuring the Omega Co Axial caliber 9300 chronograph movement, date complication, sapphire crystal, display caseback, and broad arrow handset.

  • Condition: Very clean condition
  • Case size: 41.5mm
  • Movement: Omega Co Axial caliber 9300
Posted at
May 22, 2026, 10:01 PM
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[WTS] Omega Speedmaster Reduced 39mm 3510.50 | Watch and Undated Card

Omega Speedmaster Reduced 39mm 3510.50 | Watch and Undated Card

Omega - 3510.50 · $3,250
This Omega Speedmaster Reduced is a 39mm model featuring a service history unknown and 7 s/d 275 AMP. It comes with an undated card.

  • Condition: Good Pre-Owned with Marks on Hesalite
  • Service History: Unknown
  • Bezel Type: Hesalite
Posted at
May 22, 2026, 9:38 PM
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[WTS] Omega Speedmaster Professional Moonwatch 42MM White Dial Full Set

Omega Speedmaster Professional Moonwatch 42MM White Dial Full Set

Omega - 310.32.42.50.04.002 · $7,700
This Omega Speedmaster Professional Moonwatch features a 42mm steel case, paired with a black aluminum bezel and a skeletonized case back. The crisp white dial showcases luminous hands and three chronograph subdials.

  • Case size: 42mm
  • Bezel material: black aluminum
  • Bezel features: luminous tachymeter scale
Posted at
May 22, 2026, 9:34 PM
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