Omega Speedmaster Speedmaster Professional Moonwatch 3861 Moonshine Gold / Moonshine Gold / Bracelet

Reference 310.60.42.50.99.002

About this watch

The Omega Speedmaster Professional Moonwatch 3861 Moonshine Gold stands tall among iconic watches, carrying a rich history and showcasing modern innovations. This timepiece combines luxury and functionality, making it a worthy investment for any watch enthusiast. The 42mm round case is crafted from Moonshine Gold, offering a unique champagne hue and sunburst finish. The tachymeter bezel adds a sporty touch while serving a functional purpose for speed calculations. At the core of this timepiece is the Omega caliber 3861, a marvel of horological engineering featuring a Co-Axial escapement that reduces friction and enhances precision. This manual-winding chronograph movement boasts a 50-hour power reserve and is resistant to magnetic fields up to 15,000 gauss, making it a robust choice for active lifestyles. The watch includes a chronograph feature for measuring elapsed time with precision and features a water resistance of up to 50 meters. Its combination of exquisite craftsmanship and state-of-the-art technology makes the Omega Speedmaster Professional Moonwatch 3861 a performance powerhouse.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • 42mm round case in Moonshine Gold
  • Co-Axial escapement for enhanced precision
  • Master Chronometer certification by METAS
  • 50-hour power reserve
  • Resistant to magnetic fields up to 15,000 gauss
  • Chronograph feature for measuring elapsed time
  • Water resistance of up to 50 meters

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Moonshine Gold / Moonshine Gold / Bracelet
Reference
310.60.42.50.99.002
Movement
3861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
  • Chronometer
Case
42mm
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Omega Speedmaster Snoopy New 4/2026, $15.2k!!

Omega Speedmaster Snoopy New 4/2026, $15.2k!!

Omega - 310.32.42.50.02.001 · $15,200
This Omega Speedmaster is a limited edition 'Silver Snoopy Award' 50th Anniversary model, featuring a silver dial with blue accents and a Snoopy medallion.

  • Condition: Brand New In Box (BNIB)
  • Case size: 42mm
  • Movement type: Manual Wind
  • Depth rating: 50m
Posted at
May 8, 2026, 12:50 AM
Active
[WTS] 1971 Omega Speedmaster Ref.145022-69 “ Straight Writing” $10,500 AUD / $7,800USD

1971 Omega Speedmaster Ref.145022-69 “ Straight Writing” $10,500 AUD / $7,800USD

Omega - 145022-69 · $7,800
A clean and honest early 1970s Omega Speedmaster Professional. Fully serviced by LWC in Perth in February 2026.

  • Condition: Honest vintage condition, running well
  • Case Material: Stainless steel
  • Case Size: 42mm diameter
  • Movement Type: Manual wind chronograph (cal. 861)
Posted at
May 7, 2026, 7:26 PM
Active
[WTS] Genuine Omega Leather Strap, Speedmaster

Genuine Omega Leather Strap, Speedmaster

Omega - Speedmaster · $375
Up for sale is a genuine leather Omega Speedmaster band with a stainless steel deployant clasp, characterized by its light and comfortable design.

  • Condition: Genuine leather strap with slight wear
  • Width: 20mm
  • Clasp material: stainless steel
  • Shipping options: US shipping via FedEx or UPS
Posted at
May 7, 2026, 5:52 PM
Active
[wts] 2024 Omega Speedmaster Moonphase
304.33.44.52.03.001 $7299

2024 Omega Speedmaster Moonphase 304.33.44.52.03.001 $7299

This listing features a 2024 Omega Speedmaster Moonphase with two photo-realistic moons, one of OMEGA's most iconic timepieces.

  • Condition: Pre Owned, Cosmetic Condition: 9/10
  • Case Size: 44mm diameter
  • Movement: 9904
  • Power Reserve: 60 Hours
Posted at
May 7, 2026, 4:44 PM
Active
[WTS] Omega Speedmaster Reduced 3510.50 Bracelet Set - 22 Links, Full size, excellent, OEM 1469/811

Omega Speedmaster Reduced 3510.50 Bracelet Set - 22 Links, Full size, excellent, OEM 1469/811

Omega - 3510.50 · $575
A vintage Omega Speedmaster Reduced bracelet set with 22 links, made of stainless steel and featuring an original Omega folding clasp.

  • Condition: Excellent (94/100)
  • Material: Stainless steel
  • Metal finish: Original Omega finish
  • Clasp type: Omega folding clasp
Posted at
May 7, 2026, 3:47 PM
Active
[WTS] BNIB Omega Speedmaster Professional 310.30.42.50.01.001 $6,790

BNIB Omega Speedmaster Professional 310.30.42.50.01.001 $6,790

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.

  • Condition: Brand new in box with warranty
  • Case size: 42mm diameter
  • Case thickness: 13.2mm
  • Lug width: 20mm
Posted at
May 7, 2026, 2:49 PM
Active
[WTS] Omega Speedmaster Racing 44.25mm White Dial 329.33.44.51.04.001 Co-Axial Master Chronometer. Full Set $6,955

Omega Speedmaster Racing 44.25mm White Dial 329.33.44.51.04.001 Co-Axial Master Chronometer. Full Set $6,955

This Omega Speedmaster Racing Master Chronometer features a white 'racing dial' with black sub-dials, powered by the Caliber 9900 Co-Axial Master Chronometer movement.

  • Condition: Pre-owned, excellent condition
  • Case size: 44.25mm
  • Water resistance: 50m
  • Movement: Automatic Caliber 9900 (Master Chronometer certified)
Posted at
May 7, 2026, 2:40 PM
Active
[WTS] (OEM) Omega Speedmaster 20 mm Flat Link Bracelet

(OEM) Omega Speedmaster 20 mm Flat Link Bracelet

This is an OEM Omega Speedmaster bracelet with a flat link design, suitable for various Speedmaster models. It features a stainless steel construction and a vintage-style foldover clasp.

  • Condition: Great, lightly used
  • Lug width: 20mm
  • Taper: 20mm to 15mm
  • Material: Stainless Steel
Posted at
May 7, 2026, 2:29 PM
Active
[wts] 2026 Omega Speedmaster “Reverse Panda”
310.30.42.50.01.004 $9599

2026 Omega Speedmaster “Reverse Panda” 310.30.42.50.01.004 $9599

A 2026 Omega Speedmaster "Reverse Panda" with a 42mm steel case and black dial.

  • Condition: Preowned, Cosmetic Condition: 9.9/10, Fully Functional
  • Warranty card date: February 2026
  • Case size: 42mm diameter
  • Movement: 3861 caliber
Posted at
May 7, 2026, 1:58 PM
Active