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] Omega Speedmaster Professional Moonwatch "Sapphire Sandwich" 310.30.42.50.01.002 Complete Set

Omega Speedmaster Professional Moonwatch "Sapphire Sandwich" 310.30.42.50.01.002 Complete Set

This Omega Speedmaster Professional Moonwatch 'Sapphire Sandwich' is a direct descendant of the Speedmaster worn during all six Apollo lunar landings, featuring a 42 mm stainless steel case with asymmetrical lugs, black anodized aluminum bezel, and a Master Chronometer certified by METAS.

  • Condition: Excellent Pre-Owned Condition
  • Box Papers: Yes, Complete Set
  • Warranty: Until 2030
  • Movement: Omega Co-Axial Master Chronometer Calibre 3861
Posted at
Jan 3, 2026, 9:42 PM
Active
[WTS] Omega Speedmaster 'Gemini 4' | Day 10/12 | 12 Days of Christmas🎄

Omega Speedmaster 'Gemini 4' | Day 10/12 | 12 Days of Christmas🎄

Omega - 145.0229 · $5,500
A tribute to the first American spacewalk (Gemini IV, 1965), this Omega Speedmaster commemorates one of humanity's most defining moments of aspiration, capturing the spirit of courage and vision.

  • Bracelet type: upgraded Omega flat-link
  • Original bracelet swap available: true
  • Shipping method: FedEx fully insured
Posted at
Jan 3, 2026, 9:13 PM
Active
[WTS] Omega Speedmaster Moonphase Blue Dial 44mm 2024 Box & Papers

Omega Speedmaster Moonphase Blue Dial 44mm 2024 Box & Papers

The Omega Speedmaster Moonphase is a complication-driven take on the iconic Speedmaster, combining a classic chronograph layout with a beautifully executed moonphase display and a deep blue dial.

  • Condition: Excellent
  • Size: 44mm diameter
  • Water Resistance: 100m depth rating
  • Movement Type: Co-Axial automatic movement
Posted at
Jan 3, 2026, 8:22 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 in excellent condition, with only minimal wear on the straps.

  • Condition: Excellent
  • Case size: 40mm
  • Strap type: black leather omega strap
Posted at
Jan 3, 2026, 4:41 PM
Active
[WTS] Omega Speedmaster 3510.50 Reduced X2

Omega Speedmaster 3510.50 Reduced X2

Omega - 3510.50 · $2,550
Two Omega Speedmaster Reduced watches in excellent condition for sale.

  • Condition: Excellent
  • Case Size: 40mm diameter
  • Payment Methods: Cash, crypto, most credit cards
Posted at
Jan 3, 2026, 3:45 PM
Active
[WTS] Omega Speedmaster Professional 3861 Hesalite “Sandwich” – Full AD Kit – 6/24 (spiralwinder caseback) Extras!

Omega Speedmaster Professional 3861 Hesalite “Sandwich” – Full AD Kit – 6/24 (spiralwinder caseback) Extras!

Omega - 3861 · $5,995
This Omega Speedmaster Professional Moonwatch is a Hesalite 'sandwich' model with a sapphire display caseback and an original Hesalite caseback included. It features a Cal. 3861 Master Chronometer movement and comes with a full Authorized Dealer kit.

  • Condition: Daily worn, normal wear/use consistent with daily rotation, never polished
  • Movement: Cal. 3861 (Master Chronometer)
  • Bracelet type: Current bracelet with tool-less sliding clasp adjustment
  • Crystal material: Hesalite, Sapphire
Posted at
Jan 3, 2026, 10:52 AM
Active
[WTS] Omega Speedmaster « Broad Arrow » 3594.50

Omega Speedmaster « Broad Arrow » 3594.50

Omega - 3594.50 · $3,600
This Omega Speedmaster Broad Arrow is a highly collectible and historically inspired watch with iconic Broad Arrow hands. It has recently been serviced by a professional watchmaker in France and comes with a 1-year service warranty.

  • Condition: Excellent overall condition
  • Service: Recently serviced by a professional watchmaker in France
  • Warranty: 1-year service warranty from the professional who performed the revision
  • Bracelet: Original Omega bracelet included
Posted at
Jan 3, 2026, 10:20 AM
Active
[WTS] OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET!

OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET!

OMEGA - 311.92.44.30.01.001 · $10,000
The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 commemorates the 50th anniversary of the Apollo 8 mission, crafted from a single block of black ceramic with a sleek modern aesthetic and a technical artistic tribute to space exploration.

  • Condition: [UNWORN]
  • Case material: black ceramic
  • Diameter: 44.25mm
  • Movement: Calibre 1869
Posted at
Jan 3, 2026, 6:21 AM
Active
[WTS] OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET!

OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET!

OMEGA - 311.30.40.30.01.001 · $18,000
This OMEGA Speedmaster Calibre 321 Ref. 311.30.40.30.01.001 is a faithful recreation of the reference 105.003, famously worn by astronaut Ed White during America's first spacewalk.

  • Condition: UNWORN
  • Material: stainless steel
  • Movement: Calibre 321 column-wheel chronograph
  • Caseback: sapphire
Posted at
Jan 3, 2026, 3:15 AM
Active