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 Pro Sapphire Sandwich 2025 -$5000

Omega Speedmaster Pro Sapphire Sandwich 2025 -$5000

Omega - Speedmaster Professional Moonwatch Sapphire Sandwich 2025 · $5,000
A Speedmaster Professional Moonwatch in the 2025 Sapphire Sandwich model, featuring a very clean case, crystal, and dial.

  • Condition: Very good overall
  • Year: 2025
  • Warranty Cards: 3
Posted at
May 22, 2026, 2:41 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Day Date 3523.80

Omega Speedmaster Day Date 3523.80

Omega - 3523.80 · $2,225
For sale is an Omega Speedmaster Day Date with a beautiful blue dial. The watch is running super solid and comes as watch only.

  • Condition: Excellent
  • Payment methods accepted: crypto, other
  • Local pickup available: true
  • Open to trades for specific brands: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
May 22, 2026, 11:42 AM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Date 3511.50

Omega Speedmaster Date 3511.50

Omega - 3511.50 · $1,975
a super cool reverse panda dial Omega Speedmaster date that was only sold in Japan.

  • Condition: Great condition
  • Location: Southwest FL
  • Payment Methods: cryptocurrency, bank transfer, other methods
Posted at
May 22, 2026, 11:32 AM
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[WTS] 2026 Omega Speedmaster Moonwatch Hesalite 42mm 310.30.42.50.01.001 — Like New Condition, Box & Papers

2026 Omega Speedmaster Moonwatch Hesalite 42mm 310.30.42.50.01.001 — Like New Condition, Box & Papers

Omega - 310.30.42.50.01.001 · $6,100
The Omega Speedmaster Moonwatch Hesalite features a black stepped dial with a hesalite crystal and a manually wound caliber 3861 movement, preserving the iconic design heritage of the classic Moonwatch formula.

  • Condition: Like new
  • Case diameter: 42mm
  • Lug to lug: 47.5mm
  • Thickness: 13.2mm
Posted at
May 22, 2026, 9:30 AM
Active
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[WTS][US] Omega Speedmaster Calibre 321 - Ed White - Black Dial - 39.7mm - 311.30.40.30.01.001 - Full Set

[US] Omega Speedmaster Calibre 321 - Ed White - Black Dial - 39.7mm - 311.30.40.30.01.001 - Full Set

Omega - 311.30.40.30.01.001 · $15,450
Additional Details: Up for sale is an Omega Speedmaster Calibre 321 - Ed White - Black Dial - 39.7mm - Full Set Watch is in pristine condition and functions perfectly mechanically.

  • Condition: pristine condition with minor hairlines
  • Diameter: 39.7mm
Posted at
May 22, 2026, 7:15 AM
Active
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[WTS] 2023 Omega Speedmaster Moonphase Blue Side of the Moon 304.93.44.52.03.001 Full Set - $9,395

2023 Omega Speedmaster Moonphase Blue Side of the Moon 304.93.44.52.03.001 Full Set - $9,395

Omega - 304.93.44.52.03.001 · $9,395
This Omega Speedmaster Moonwatch - Blue Side of the Moon is a 2023 model, featuring a moonphase complication.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2023
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Posted at
May 21, 2026, 7:42 PM
Active
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[WTS] 2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995

2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995

Omega - 304.30.44.52.01.001 · $7,995
Up for sale is a Omega Speedmaster Moonphase Black watch, a 2020 model. It has been thoroughly tested and is running well without the need for service.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2020
  • Contents: watch, inner & outer box, card holder, international warranty card, pictograms card, master chronometer card, instructions manual
Posted at
May 21, 2026, 7:40 PM
Active
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[WTS] 2026 OMEGA Speedmaster Professional MOONWATCH 42mm "REVERSE PANDA" 310.30.42.50.01.004 FULL SET w/BOX & PAPERS

2026 OMEGA Speedmaster Professional MOONWATCH 42mm "REVERSE PANDA" 310.30.42.50.01.004 FULL SET w/BOX & PAPERS

OMEGA - 310.30.42.50.01.004 · $10,485
2026 OMEGA Speedmaster Professional MOONWATCH in stainless steel with a Reverse Panda dial and chronograph complication.

  • Condition: Excellent Condition
  • Case size: 42mm
  • Movement caliber: 3861 Caliber Movement
  • Warranty left: 4 years
Posted at
May 21, 2026, 3:36 PM
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[WTS] Omega Speedmaster Moonwatch 3861 Panda 310.30.42.50.01.004 ( new / 2026 / box and papers )

Omega Speedmaster Moonwatch 3861 Panda 310.30.42.50.01.004 ( new / 2026 / box and papers )

Omega - 310.30.42.50.01.004 · $10,795
This Omega Speedmaster Moonwatch Professional features a stainless steel case and a sapphire crystal. It comes with an adjustable clasp and is complete with all boxes, papers, booklet, hang tag, and Omega Warranty Card.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement: Omega Master Chronometer Movement 3861
  • Shipping cost international: $150
Posted at
May 21, 2026, 12:36 PM
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