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 Date ref. 3212.80.00 40mm | Great Condition (with Box, Booklet, Cards & Serviced) | $2750

Omega Speedmaster Date ref. 3212.80.00 40mm | Great Condition (with Box, Booklet, Cards & Serviced) | $2750

Omega - 3212.80.00 · $2,750
The Omega Speedmaster Date ref. 3212.80.00 features a versatile and often overlooked chapter in the Speedmaster lineage that blends classic chronograph functionality with everyday wearability. The watch is housed in a well-proportioned 40mm stainless steel case, making it suitable for a wide range of wrist sizes.

  • Condition: Great condition with little sign of wear
  • Case size: 40mm
  • Bracelet length: up to 19cm (7.5inches)
  • Water resistance: 100m
Posted at
May 26, 2026, 12:42 AM
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[WTS] Omega Speedmaster Moonphase Chronograph 44mm, 2025, Complete Set, $8,500

Omega Speedmaster Moonphase Chronograph 44mm, 2025, Complete Set, $8,500

Omega - Speedmaster Moonphase Chronograph · $8,500
This Omega Speedmaster Moonphase Chronograph features a black sun brushed dial and ceramic tachymeter bezel. The watch includes a microstructured metallic crystal disc that shows actual lunar detail.

  • Condition: Excellent
  • Movement: Calibre 9904
  • Bracelet material: Steel
Posted at
May 26, 2026, 12:32 AM
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[WTS] Rare Vintage Omega Speedmaster Teutonic Gray Dial Bead-Blasted Case Hand Wound Ref Ref 145.0044

Rare Vintage Omega Speedmaster Teutonic Gray Dial Bead-Blasted Case Hand Wound Ref Ref 145.0044

Omega - 145.0044 · $2,750
A rare vintage Omega Speedmaster Teutonic ref 145.0044 in a unique gray dial with a bead-blasted case, manual wound cal 861 movement, and an integrated stainless steel bracelet.

  • Condition: Pre-owned, with wear (scratches and nicks) but still looks great while wearing
  • Case Size: 42MM diameter
  • Movement Type: Manual wound Omega cal 861
  • Bracelet Length: fits up to app 7.25 inches
Posted at
May 25, 2026, 7:54 PM
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[WTS] Omega Speedmaster Professional - Apollo XVII 17 Limited 45th Anniversary - 311.30.42.30.03.001

Omega Speedmaster Professional - Apollo XVII 17 Limited 45th Anniversary - 311.30.42.30.03.001

Omega - 311.30.42.30.03.001 · $7,695
This is the highly collectible Apollo XVII 45th Anniversary Limited Edition, featuring the striking blue dial and unique commemorative caseback design.

  • Condition: Good overall pre-owned condition with normal wear throughout
  • Size: 42mm diameter
  • Caseback Design: Commemorative
Posted at
May 25, 2026, 6:39 PM
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[WTS] Omega Speedmaster Professional "Hesalite" 311.30.42.30.01.005 - $3999

Omega Speedmaster Professional "Hesalite" 311.30.42.30.01.005 - $3999

Omega - 31130423001005 · $3,999
For sale is my beloved Omega Speedmaster Professional Hesalite Moonwatch, a discontinued model with a caliber 1861 movement, running within spec at +7s/d.

  • Condition: Pre-owned with wear on the clasp
  • Caliber: 1861
  • Box Contents: inner, outer boxes, manuals
Posted at
May 25, 2026, 4:42 PM
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[WTS] Omega Speedmaster "Grey Side of the Moon” – 311.93.44.51.99.001 – Full Set

Omega Speedmaster "Grey Side of the Moon” – 311.93.44.51.99.001 – Full Set

Omega - 311.93.44.51.99.001 · $7,750
This Omega Speedmaster features a grey ceramic case and sandblasted platinum 'Lunar Dust' dial, giving it a stealthy and futuristic look while still feeling classic and classy.

  • Condition: Excellent
  • Case Size: 44.25mm
  • Movement: Omega Co-Axial Caliber 9300 chronograph movement
Posted at
May 25, 2026, 4:25 PM
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[WTS][US] Omega Speedmaster Moonwatch Professional - White Dial - 42mm- 310.30.42.50.04.001 - Full Set

[US] Omega Speedmaster Moonwatch Professional - White Dial - 42mm- 310.30.42.50.04.001 - Full Set

Omega - 310.30.42.50.04.001 · $8,175
Omega Speedmaster Moonwatch Professional - White Dial in 42mm case size.

  • Condition: pristine with minor hairlines on clasp, case, or bracelet
  • Case Size: 42mm
Posted at
May 25, 2026, 1:55 PM
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[WTS] Omega Speedmaster 3590.50 Serviced with Extra Omega Straps

Omega Speedmaster 3590.50 Serviced with Extra Omega Straps

Omega - 3590.50 · $4,950
The Omega Speedmaster 3590.50 is a vintage classic from the 1994/95 collection, featuring an original tritium dial and historic caliber 861 movement.

  • Condition: Good
  • Case width: 42mm
  • Year produced: 1994/95
  • Movement manual included: yes
Posted at
May 25, 2026, 1:35 PM
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[WTS] Omega Speedmaster Reduced 3310.10 Vintage 18K Yellow Gold with Steel ($1999)!

Omega Speedmaster Reduced 3310.10 Vintage 18K Yellow Gold with Steel ($1999)!

Omega - 3310.10 · $1,999
A vintage Omega Speedmaster Reduced in 18K yellow gold with a 39mm case, featuring an upgraded 175.0033 dial and running in healthy condition.

  • Condition: Pre-owned with wear, healthy running condition
  • Case size: 39mm diameter
  • Serial date: 1989
Posted at
May 25, 2026, 1:08 PM
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