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 (310.30.42.50.01.002)

Omega Speedmaster Professional (310.30.42.50.01.002)

This Omega Speedmaster Professional features a black dial, sapphire crystal on a steel bracelet, and is in excellent condition with only a few light marks.

  • Condition: Excellent condition with a few light marks
  • Case Size: 42mm diameter
  • Case Material: Stainless Steel
  • Bracelet Material: Stainless Steel
Posted at
May 23, 2026, 7:27 AM
Active
[WTS] Omega Speedmaster Professional "Hesalite" 311.30.42.30.01.005 - $4500

Omega Speedmaster Professional "Hesalite" 311.30.42.30.01.005 - $4500

Omega - 31130423001005 · $4,500
For sale is a beloved Omega Speedmaster Professional Hesalite Moonwatch with a discontinued model caliber 1861. It has never been polished or serviced and comes with inner, outer boxes, and all manuals.

  • Condition: Pre-owned with wear on the clasp
  • Caliber: Calibre 1861
  • Movement accuracy: +7s/d
  • Box set: Comes with inner and outer boxes, manuals
Posted at
May 22, 2026, 10:38 PM
Active
[WTS] Memorial Day Weekend Sale – Omega Speedmaster Professional 3861 Sapphire (2022) – Full Set – Original Clasp + Micro-adjust Clasp – $6375 + shipping obo

Memorial Day Weekend Sale – Omega Speedmaster Professional 3861 Sapphire (2022) – Full Set – Original Clasp + Micro-adjust Clasp – $6375 + shipping obo

Omega - 3861 Sapphire · $6,375
A classic Omega Speedmaster Professional Moonwatch from 2022, featuring a Co-Axial Master Chronometer movement and sapphire crystal front and back. It's in excellent condition, with clean crystal and a great-bracelet.

  • Condition: Excellent overall condition
  • Case size: 40mm diameter
  • Water resistance: 50m water resistant
Posted at
May 22, 2026, 10:36 PM
Active
[WTS] Memorial Day Weekend Sale – Omega Speedmaster Reduced “Red Schumacher” 3510.61 – OG Bracelet – $2945 + shipping OBO

Memorial Day Weekend Sale – Omega Speedmaster Reduced “Red Schumacher” 3510.61 – OG Bracelet – $2945 + shipping OBO

Omega - 3510.61 · $2,945
This Omega Speedmaster Reduced ‘Red Schumacher’ is a unique and collectible variant of the Speedmaster line, featuring a bright red dial, original bracelet, and late 90s / early 2000s Omega styling.

  • Condition: Very nice condition for its age with normal light wear consistent with use
  • Bracelet size: ~6.75 inch wrist diameter
  • Additional links included: 2
  • Movement type: Automatic chronograph
Posted at
May 22, 2026, 10:34 PM
Active
[WTS] Omega Speedmaster Reduced 39mm 3510.50 | Watch and Undated Card

Omega Speedmaster Reduced 39mm 3510.50 | Watch and Undated Card

Omega - 3510.50 · $3,250
This Omega Speedmaster Reduced is a 39mm model featuring a service history unknown and 7 s/d 275 AMP. It comes with an undated card.

  • Condition: Good Pre-Owned with Marks on Hesalite
  • Service History: Unknown
  • Bezel Type: Hesalite
Posted at
May 22, 2026, 9:38 PM
Active
[WTS] Omega Speedmaster 38MM Cappuccino Dial 18k Sedna Gold Full Set

Omega Speedmaster 38MM Cappuccino Dial 18k Sedna Gold Full Set

A 2023 Omega Speedmaster with a 38mm case size, suitable for both men and women, featuring an 18K Sedna Gold case and Cappuccino Dial.

  • Condition: Great condition
  • Case Size: 38mm
  • Material: 18K Sedna Gold
  • Band Material: Taupe-brown leather
Posted at
May 22, 2026, 9:19 PM
Active
[WTS] Labor Day Weekend Sale – Omega Speedmaster Reduced “Red Schumacher” 3510.61 – OG Bracelet – $2945 + shipping OBO

Labor Day Weekend Sale – Omega Speedmaster Reduced “Red Schumacher” 3510.61 – OG Bracelet – $2945 + shipping OBO

Omega - 3510.61 · $2,945
  • Condition: Very nice condition for its age with normal light wear consistent with use
  • Bracelet Fits Wrist Size: ~6.75 inch wrist depending on preferred fit
  • Bezel Error: 0.1 ms
  • Amplitude: 275-299
Posted at
May 22, 2026, 8:30 PM
Active
[WTS] Labor Day Weekend Sale – Omega Speedmaster Professional 3861 Sapphire (2022) – Full Set – Original Clasp + Micro-adjust Clasp – $6375 + shipping obo

Labor Day Weekend Sale – Omega Speedmaster Professional 3861 Sapphire (2022) – Full Set – Original Clasp + Micro-adjust Clasp – $6375 + shipping obo

Omega - 3861 Sapphire · $6,375
A classic Omega Speedmaster Professional Moonwatch in excellent condition, featuring a sapphire crystal front and back, Co-Axial Master Chronometer movement, and original and upgraded bracelet clasps.

  • Condition: Excellent overall condition, very light wear from normal use
  • Box And Papers: full set
  • Bracelet Length: full links plus additional uncle Seiko 1.5 links
  • Clasp Type: original clasp + micro-adjust clasp
Posted at
May 22, 2026, 8:25 PM
Active
[WTS] Omega Speedmaster '57 Chronograph Watch 332.10.41.51.10.001

Omega Speedmaster '57 Chronograph Watch 332.10.41.51.10.001

Purchased in December 2024, Under warranty until December 2029. The watch functions as normal.

  • Condition: Very good condition, very light wear
  • Water Resistance: 50m
Posted at
May 22, 2026, 6:45 PM
Active