Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire

Reference 310.32.42.50.04.002

About this watch

The Omega Speedmaster Professional Moonwatch 3861 is a masterful blend of style, history, and technical excellence. This watch embodies the essence of luxury with its sleek stainless steel case, striking white dial, and iconic design that transcends fashion trends. With its Master Chronometer certification, exceptional accuracy is guaranteed, while the manual winding movement adds a touch of personal connection to the wearer's wrist. The Speedmaster's rich history and association with NASA's Apollo missions make it a true icon in horology, connecting the wearer to a significant moment in human history. Whether you're a watch collector or simply someone who appreciates fine timepieces, this watch deserves a spot in your collection.
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Key Features

  • Master Chronometer Certified
  • Magnetic Resistance up to 15,000 gauss
  • Manual-Winding Chronograph Movement
  • Free-Sprung Balance with Silicon Balance Spring
  • 42.00 mm Diameter
  • 13.18 mm Height
  • 20.00 mm Lug Width

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire
Reference
310.32.42.50.04.002
Movement
3861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
  • Chronometer
Case
Stainless Steel 42mm
Dial Color
White
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] 2026 Omega Speedmaster Professional White Dial 310.32.42.50.04.002 Full Set $7,300

2026 Omega Speedmaster Professional White Dial 310.32.42.50.04.002 Full Set $7,300

A modern Omega Speedmaster Professional White Dial featuring a lacquered white dial, powered by the Omega Co-Axial Master Chronometer Calibre 3861, with a clean and high-contrast look.

  • Condition: Like new
  • Case size: 42mm diameter
  • Case material: Stainless steel
  • Movement: Manual wind (Omega Calibre 3861 Master Chronometer)
Posted at
May 2, 2026, 9:21 AM
Active
[WTS] 2026 Omega Speedmaster Professional White Dial 310.32.42.50.04.002 Full Set $7,300

2026 Omega Speedmaster Professional White Dial 310.32.42.50.04.002 Full Set $7,300

A modern Omega Speedmaster Professional with a lacquered white dial, powered by the Co-Axial Master Chronometer Calibre 3861, featuring a clean and high-contrast look while maintaining the iconic Speedmaster design.

  • Condition: Like new
  • Case size: 42mm diameter
  • Case material: Stainless steel
  • Movement: Manual wind (Omega Calibre 3861 Master Chronometer)
Posted at
Apr 24, 2026, 12:48 PM
Active
[WTS] Omega Speedmaster Snoopy New 5/2026, $15.5k

Omega Speedmaster Snoopy New 5/2026, $15.5k

Omega - 310.32.42.50.02.001 · $15,500
This is a listing for an Omega Speedmaster Snoopy, a new watch with a reference number of 310.32.42.50.02.001. The watch comes in its original box and has a dated warranty.

  • Condition: New
  • Shipping Cost: $100 Shipping for USA
  • Payment Methods: Wire or Credit Card (+4.9% & 4 days clearance)
  • Warranty Duration: 2 years (2026-2028)
Posted at
May 5, 2026, 9:20 AM
Active
[WTS][US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set

[US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set

This Omega Speedmaster First Omega in Space is a mechanical watch that comes fully linked with its original accessories.

  • Condition: Fantastic condition with few, if any hairlines on case, clasp, and bracelet.
  • Case condition: Few hairlines
  • Comes with: Full set of accessories
Posted at
May 5, 2026, 7:09 AM
Active
[WTS] Omega Speedmaster Professional 🌘 Moonwatch 🌒 Sapphire Sandwich 9/2025 LNIB

Omega Speedmaster Professional 🌘 Moonwatch 🌒 Sapphire Sandwich 9/2025 LNIB

A Omega Speedmaster Professional Sapphire Sandwich with a reference number of 310.30.42.50.01.002, in like new condition.

  • Condition: Like new, with minor cosmetic defect (clasp sticker)
  • Case size: 42mm diameter
Posted at
May 5, 2026, 6:38 AM
Active
[WTS] 2025 Omega Speedmaster Racing Edition Jomashop Full Set $3️⃣,3️⃣5️⃣0️⃣ shipped 🇺🇸

2025 Omega Speedmaster Racing Edition Jomashop Full Set $3️⃣,3️⃣5️⃣0️⃣ shipped 🇺🇸

This is a 2025 Omega Speedmaster Racing Edition with a 40mm case size, coming as a full set including the outer and inner box, links, booklet, hang tag, and Jomashop warranty card.

  • Case size: 40mm
Posted at
May 4, 2026, 10:26 PM
Active
[WTS] Omega Speedmaster Reduced 3510.50

Omega Speedmaster Reduced 3510.50

Omega - 3510.50 · $2,499
This Omega Speedmaster Reduced is a 39mm watch with a 7-inch bracelet.

  • Case size: 39mm
Posted at
May 4, 2026, 9:26 PM
Active
[WTS] Omega Speedmaster Reduced 3510.50 - $2500 SHIPPED

Omega Speedmaster Reduced 3510.50 - $2500 SHIPPED

Omega - 3510.50 · $2,500
This Omega Speedmaster Reduced features a 39mm case size, automatic 3220 movement, and is very wearable on most wrists.

  • Condition: Good overall condition with light scratches from regular use
  • Case size: 39mm
  • Movement: 3220 automatic
  • Bracelet type: Uncle's flat link
Posted at
May 4, 2026, 7:06 PM
Active