Omega Speedmaster Speedmaster Professional Moonwatch 3861 Moonshine Gold / Green

Reference 310.63.42.50.10.001

About this watch

The Omega Speedmaster Professional Moonwatch 3861 Moonshine Gold / Green is a remarkable piece of horology that blends luxury, functionality, and a storied legacy. This timepiece not only pays homage to the brand's legendary association with space exploration but also introduces cutting-edge technology and luxurious materials. The round case with a diameter of 42.00 mm and height of 13.18 mm is a comfortable fit for various wrist sizes, while the ceramic bezel with a tachymeter scale nods to its chronograph capabilities. The manual-winding chronograph movement features a co-axial escapement and silicon balance spring, offering exceptional precision and reliability. With a water resistance of up to 50 meters, this watch can handle everyday occurrences like washing your hands or getting caught in the rain. Its stunning aesthetics, versatility, and rich history make it a worthy addition to any collection.
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MSRP: $30,200
Market Price: $19,309

Key Features

  • Omega caliber 3861 manual-winding chronograph movement
  • Master Chronometer certification by METAS
  • Co-axial escapement and silicon balance spring for exceptional precision and reliability
  • 50-hour power reserve with no daily winding required
  • Ceramic and Moonshine Gold materials for durability and luxury
  • Green sunburst dial finish for a captivating look
  • Scratch-resistant sapphire crystal for protection

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Moonshine Gold / Green
Reference
310.63.42.50.10.001
Movement
3861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
  • Chronometer
Case
42mm
Dial Color
Green
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Omega Speedmaster 42MM “Silver Snoopy Award” - Ref 310.32.42.50.02.001 (NEW / UNWORN COMPLETE SET • Dated Christmas Eve 25’)

Omega Speedmaster 42MM “Silver Snoopy Award” - Ref 310.32.42.50.02.001 (NEW / UNWORN COMPLETE SET • Dated Christmas Eve 25’)

Omega - 310.32.42.50.02.001 · $14,950
This Omega Speedmaster 'Silver Snoopy Award' is a commemorative timepiece that pays tribute to the brand's contributions to space exploration, including the Apollo 13 mission. It features a 42MM case and comes with a complete set of accessories.

  • Condition: New / Unworn
  • Case size: 42mm
  • Included items: outer box, inner box, all cards, x2 manuals, Omega microfiber, Omega loupe, travel case
Posted at
Jan 9, 2026, 8:45 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Cal. 3861 310.30.42.50.01.001 $4,799

Omega Speedmaster Professional Moonwatch Cal. 3861 310.30.42.50.01.001 $4,799

The Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case with a hesalite front and solid case back powered by the updated caliber 3861 movement. It offers enhanced durability, accuracy, and visibility of the dial, making it a modern interpretation of the iconic Moonwatch.

  • Condition: Excellent
  • Case Size: 42mm diameter
  • Case Thickness: 13.2mm
  • Lug Width: 20mm
Posted at
Jan 9, 2026, 6:21 PM
Active
[WTS] 1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

Omega - 3590.50 · $4,000
This 1991 Omega Speedmaster Moonwatch is in excellent condition with an original tritium dial and hands, and a correct Omega hesalite crystal.

  • Condition: Excellent vintage condition, unpolished
  • Serial number: 482774XX
  • Movement: caliber 861
  • Bracelet size: 1479/812, currently sized for a 6.8" wrist
Posted at
Jan 9, 2026, 5:57 PM
Active
[WTS] Omega Speedmaster Reduced — $2500 USD

Omega Speedmaster Reduced — $2500 USD

Omega - 3510.50 · $2,500
For sale is my Omega Speedmaster Reduced with a 39mm case size and automatic movement.

  • Condition: Excellent
  • Case Size: 39mm
  • Movement Type: Automatic
Posted at
Jan 9, 2026, 5:55 PM
Active
[WTS] Omega Speedmaster Reduced, ref. 175.0032.1, Factory Service Papers, Box, Accessories

Omega Speedmaster Reduced, ref. 175.0032.1, Factory Service Papers, Box, Accessories

Omega - 175.0032.1 · $2,700
The Omega Speedmaster Reduced is a beautiful watch in excellent condition, with factory service papers and box included.

  • Condition: Excellent
  • Service cost: $850
  • Year of service: 2019
Posted at
Jan 9, 2026, 5:34 PM
Active
[WTS] Omega Speedmaster Moonphase BOX AND PAPERS 304.33.44.52.03.001

Omega Speedmaster Moonphase BOX AND PAPERS 304.33.44.52.03.001

For sale is an Omega Speedmaster Moonphase, this watch features a black leather strap with quick release function and comes double boxed with cards including warranty card.

  • Condition: Excellent condition with minimal wear on the straps
  • Straps: black leather omega strap with quick release function
  • Payment Methods Accepted: all payment methods except PayPal, crypto with small fee
  • Trading Brands: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
Jan 9, 2026, 4:52 PM
Active
[WTS] Omega Speedmaster Sapphire Sandwich

Omega Speedmaster Sapphire Sandwich

Omega - 31030425001002 · $6,000
A Omega Speedmaster Sapphire Sandwich, a manual winding watch featuring an original box and papers. The watch has a 42mm size.

  • Year: 2025
  • Size: 42mm diameter
  • Bracelet condition: barely used
Posted at
Jan 9, 2026, 4:22 PM
Active
[WTS] OMEGA SPEEDMASTER PROFESSIONAL [WHITE][EXCELLENT CONDITION AND BARELY WORN] $7,700 OBO

OMEGA SPEEDMASTER PROFESSIONAL [WHITE][EXCELLENT CONDITION AND BARELY WORN] $7,700 OBO

A well-maintained Omega Speedmaster Professional in excellent condition, barely worn.

  • Condition: EXCELLENT CONDITION AND BARELY WORN
  • Payment methods: PayPal, Zelle, Venmo
Posted at
Jan 9, 2026, 4:13 PM
Active