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 Speedmaster 311.93.44.51.99.001 Grey Side of the Moon 2018 Year

Omega Speedmaster 311.93.44.51.99.001 Grey Side of the Moon 2018 Year

This Omega Speedmaster Grey Side of the Moon is a 2018 model, featuring a pre-owned watch in excellent condition with minimal scratches.

  • Condition: Preowned, minor hairline scratches and possibly a clean crystal with marks under strong magnification
  • Year: 2018
  • Shipping method: FedEx, insured, 2-day shipping
Posted at
Oct 23, 2025, 1:25 AM
Active
[WTS] Omega OEM Speedmaster Black Rubber Strap OEM Deployant Clasp (Reserved Post)

Omega OEM Speedmaster Black Rubber Strap OEM Deployant Clasp (Reserved Post)

A black rubber strap for the Omega Speedmaster Professional with a stainless steel deployant clasp, available for sale.

Posted at
Oct 22, 2025, 9:28 PM
Active
[WTS] Omega Speedmaster. Mother of pearl dial. 39mm. Sapphire Crystal. Auto. 🔥

Omega Speedmaster. Mother of pearl dial. 39mm. Sapphire Crystal. Auto. 🔥

Omega - Speedmaster · $2,650
A rare Omega Speedmaster with a mother of pearl dial and sapphire crystal, available for sale in excellent condition.

  • Diameter: 39mm
  • Movement: auto
Posted at
Oct 22, 2025, 8:45 PM
Active
[WTS] 2023 Omega Speedmaster Moonwatch Professional 310.32.42.50.01.001 - Full Set

2023 Omega Speedmaster Moonwatch Professional 310.32.42.50.01.001 - Full Set

A beautiful example of the iconic Omega Speedmaster Moonwatch Professional from 2023, featuring a clean and sporty design.

  • Condition: Excellent preowned condition
  • Material: Hesalite
  • Size: 42mm diameter
  • Scope of delivery: Complete set, inner/outer boxes, all 3 cards, hang tag, extra strap
Posted at
Oct 22, 2025, 8:28 PM
Active
[WTS]🔥OMEGA SPEEDMASTER MOONWATCH PROFESSIONAL SAPPHIRE SANDWICH 310.30.42.50.01.002 COMPLETE 10/2025 WITH STICKERS!!!🔥

🔥OMEGA SPEEDMASTER MOONWATCH PROFESSIONAL SAPPHIRE SANDWICH 310.30.42.50.01.002 COMPLETE 10/2025 WITH STICKERS!!!🔥

A brand new, unworn OMEGA Speedmaster Moonwatch Professional Sapphire Sandwich with a black dial and stainless steel case.

  • Condition: Brand new/unworn
  • Case Size: 42mm diameter
  • Material: Stainless Steel
Posted at
Oct 22, 2025, 8:18 PM
Active
[WTS] Omega Speedmaster Chronograph Broad Arrow Tokyo Olympic 2020

Omega Speedmaster Chronograph Broad Arrow Tokyo Olympic 2020

The Omega Speedmaster Chronograph Broad Arrow Tokyo Olympic 2020 features a stainless steel case with a clean white dial, bold legible arabic numerals, and broad arrow hands. The chronograph hand reveals the Olympic rings, and the watch is powered by an automatic Co-Axial calibre 3313.

  • Condition: Minimal wear and light polish on bracelet and clasp
  • Case size: 42mm diameter x 48 height
  • Lug width: 20mm
  • Wrist size recommendation: 7.8in
Posted at
Oct 22, 2025, 8:07 PM
Active
[WTS] Omega Speedmaster Two Tone Reduced

Omega Speedmaster Two Tone Reduced

Omega - 3714.20.80 · $2,500
A two tone Omega Speedmaster with a white dial and gold subdials, featuring an 18k gold bezel.

  • Condition: Good, some wear on the case and bezel
  • Movement: Cal 1140
  • Size: 39mm diameter
Posted at
Oct 22, 2025, 7:51 PM
Active
[WTS] Omega Speedmaster Reduced - Mother of Pearl - White

Omega Speedmaster Reduced - Mother of Pearl - White

A super rare and unique Omega Speedmaster with a Mother of Pearl dial that 'pops like no other watch' is for sale. The crystal looks clean, but the case and bezel could benefit from polishing.

  • Condition: Decent condition, light scratching on case, hairlines on bezel
  • Case material: Steel
  • Dial color: Mother of Pearl White
Posted at
Oct 22, 2025, 5:03 PM
Active
[WTS] Omega Speedmaster CK2998 Limited Edition “Blue Panda” - Full Set - Price Reduced ‼️✈️

Omega Speedmaster CK2998 Limited Edition “Blue Panda” - Full Set - Price Reduced ‼️✈️

Omega - CK2998 · $7,395
This Omega Speedmaster CK2998 Limited Edition 'Blue Panda' is a modern classic with a striking design. It features a 40mm stainless steel case and an opaline silver dial with blue subdials. The watch comes complete with its outer box, inner box, instruction manual, card sleeve, international warranty card, and pictograms card.

  • Condition: Excellent, barely worn
  • Case Size: 40mm diameter
  • Movement: Manual winding OMEGA calibre 1861
Posted at
Oct 22, 2025, 4:35 PM
Active