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

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

This Omega Speedmaster Moonwatch Professional features a white dial and is in excellent condition.

  • Condition: pristine condition
  • Case diameter: 42mm
Posted at
Apr 3, 2026, 8:01 AM
Active
[WTS] Omega Speedmaster Date ref. 3212.80.00 40mm | Great Condition (with Box & Serviced) | $2600

Omega Speedmaster Date ref. 3212.80.00 40mm | Great Condition (with Box & Serviced) | $2600

Omega - 3212.80.00 · $2,600
The Omega Speedmaster Date ref. 3212.80.00 features a deep blue dial with running seconds, a 30-minute counter, and a 12-hour chronograph totalizer, along with a practical date window at 3 o'clock.

  • Condition: Great condition
  • Case size: 40mm diameter
  • Movement: Omega Calibre 1164, automatic chronograph movement based on the Valjoux 7750 architecture
  • Bracelet length: up to 19-19.5cm (7.5-7.7 inches)
Posted at
Apr 3, 2026, 12:21 AM
Active
[WTS]🌕🌒2025 OMEGA Speedmaster Sapphire Like New Full Set🌒🌕

🌕🌒2025 OMEGA Speedmaster Sapphire Like New Full Set🌒🌕

2025 Omega Speedmaster Sapphire full set, like new with complete accessories and a fully linked bracelet.

  • Condition: Like New Excellent
  • Box Set: Full Triple Box Set
  • Bracelet Size: Fully Linked Bracelet
Posted at
Apr 2, 2026, 9:38 PM
Active
[WTS] 2024 Omega Speedmaster Moonwatch Professional White Dial 310.30.42.50.04.001 – Full Set $7,550 Shipped

2024 Omega Speedmaster Moonwatch Professional White Dial 310.30.42.50.04.001 – Full Set $7,550 Shipped

A 2024 Omega Speedmaster Moonwatch Professional with a white dial, featuring a manual-wind chronograph movement and a sapphire crystal.

  • Condition: Mint
  • Case size: 42mm
  • Movement: Manual-wind chronograph (Omega Caliber 3861)
  • Crystal: Sapphire
Posted at
Apr 2, 2026, 6:49 PM
Active
[WTS] Omega Speedmaster Reduced Two Tone - 3310.10 - Stunning Dial - Price Reduced!

Omega Speedmaster Reduced Two Tone - 3310.10 - Stunning Dial - Price Reduced!

Omega - 3310.10 · $2,950
This Omega Speedmaster Reduced Two-Tone features a beautiful dial paired with the classic two-tone configuration on factory omega bracelet, available for sale in good pre-owned condition.

  • Condition: Pre-owned, good condition
  • Size: 39mm diameter
  • Wrist Size: not specified
Posted at
Apr 2, 2026, 1:18 PM
Active
[WTS] Omega Speedmaster Ed White 🔥Brand New March 2026, $15.8k+✈️🔥

Omega Speedmaster Ed White 🔥Brand New March 2026, $15.8k+✈️🔥

Omega - 311.30.40.30.01.001 · $15,800
This Omega Speedmaster Ed White is a brand new watch from March 2026, complete with box and warranty.

  • Condition: Brand New
  • Warranty Period: March 2026
  • Shipping Details: Shipped from Singapore Office with tariffs/duties included in the price
  • Payment Methods: Wire or Credit Card (+4.9% fee)
Posted at
Apr 2, 2026, 1:13 AM
Active
[WTS] Omega Speedmaster Moonwatch Hesalite Ref. 310.32.42.50.01.001 - Full Set + Extras

Omega Speedmaster Moonwatch Hesalite Ref. 310.32.42.50.01.001 - Full Set + Extras

A Omega Speedmaster Moonwatch Professional, ref. 310.32.42.50.01.001, powered by the Co-Axial Master Chronometer Caliber 3861.

  • Condition: Excellent overall condition
  • Crystal material: Hesalite
  • Caliber: Co-Axial Master Chronometer Caliber 3861
Posted at
Apr 1, 2026, 11:48 PM
Active
[WTS] Omega Speedmaster Reduced “Schumacher” – Yellow Dial $2,875

Omega Speedmaster Reduced “Schumacher” – Yellow Dial $2,875

This listing is for a classic 90s racing piece, the yellow dial Schumacher variant of the Omega Speedmaster. The watch features a strong running movement and a clean acrylic crystal with no noticeable scratches or blemishes.

  • Condition: good condition for its age
  • Case Condition: normal wear, some light biting on lugs
  • Bracelet Size: fits a 7" wrist
  • Additional Straps: custom leather strap and several others
Posted at
Apr 1, 2026, 8:42 PM
Active