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] Reduced Price! Omega Speedmaster “Triple Date” 3521.30.00 – Fully Overhauled by Omega Service Center (Jan 2025) – $2,175 OBO Shipped (CONUS)

Reduced Price! Omega Speedmaster “Triple Date” 3521.30.00 – Fully Overhauled by Omega Service Center (Jan 2025) – $2,175 OBO Shipped (CONUS)

Omega - 3521.30.00 · $2,175
For sale is my Omega Speedmaster Chronograph 'Triple Date' (Ref. 3521.30.00), a fully overhauled timepiece with excellent condition and functionality.

  • Condition: Excellent post-service condition — running perfectly
  • Case Material: stainless steel
  • Case Size: 39mm diameter
  • Lug Width: 18mm
Posted at
Oct 23, 2025, 2:49 PM
Active
[WTS] Omega Speedmaster Apollo 17 45th Anniversary (2-yr warranty) Ref: 311.30.42.30.03.001

Omega Speedmaster Apollo 17 45th Anniversary (2-yr warranty) Ref: 311.30.42.30.03.001

This Omega Speedmaster Apollo XVII is a limited edition watch commemorating the 45th anniversary of the final moon landing in 1972, featuring a polished blue ceramic dial and stainless steel case.

  • Condition: Very good condition with slight imperfections on the dial
  • Case Diameter: 42mm
  • Water Resistance: 50m / 167ft
  • Movement Type: Manual-Winding Chronograph Movement
Posted at
Oct 23, 2025, 9:37 AM
Active
[WTS] Omega Speedmaster Moonwatch Professional Moonshine Gold 42mm Complete Set 310.62.42.50.99.001

Omega Speedmaster Moonwatch Professional Moonshine Gold 42mm Complete Set 310.62.42.50.99.001

Omega - 310.62.42.50.99.001 · $23,895
This Omega Speedmaster Moonwatch Professional features a 18kt moonshine gold case with a gold and black dial, anti-magnetic co-axial escapement, and comes in its original box and papers.

  • Condition: Excellent condition with little to no signs of wear
  • Movement: Mechanical (Automatic)
  • Case Size: 42mm diameter
  • Water Resistance: 50m depth rating
Posted at
Oct 23, 2025, 8:43 AM
Active
[WTS] Omega Speedmaster 311.93.44.51.99.001 Grey Side of the Moon 2018 Year

Omega Speedmaster 311.93.44.51.99.001 Grey Side of the Moon 2018 Year

This Omega Speedmaster Grey Side of the Moon is a 2018 model, featuring a pre-owned watch in excellent condition with minimal scratches.

  • Condition: Preowned, minor hairline scratches and possibly a clean crystal with marks under strong magnification
  • Year: 2018
  • Shipping method: FedEx, insured, 2-day shipping
Posted at
Oct 23, 2025, 1:25 AM
Active
[WTS] Omega OEM Speedmaster Black Rubber Strap OEM Deployant Clasp (Reserved Post)

Omega OEM Speedmaster Black Rubber Strap OEM Deployant Clasp (Reserved Post)

A black rubber strap for the Omega Speedmaster Professional with a stainless steel deployant clasp, available for sale.

Posted at
Oct 22, 2025, 9:28 PM
Active
[WTS] Omega Speedmaster. Mother of pearl dial. 39mm. Sapphire Crystal. Auto. 🔥

Omega Speedmaster. Mother of pearl dial. 39mm. Sapphire Crystal. Auto. 🔥

Omega - Speedmaster · $2,650
A rare Omega Speedmaster with a mother of pearl dial and sapphire crystal, available for sale in excellent condition.

  • Diameter: 39mm
  • Movement: auto
Posted at
Oct 22, 2025, 8:45 PM
Active
[WTS] 2023 Omega Speedmaster Moonwatch Professional 310.32.42.50.01.001 - Full Set

2023 Omega Speedmaster Moonwatch Professional 310.32.42.50.01.001 - Full Set

A beautiful example of the iconic Omega Speedmaster Moonwatch Professional from 2023, featuring a clean and sporty design.

  • Condition: Excellent preowned condition
  • Material: Hesalite
  • Size: 42mm diameter
  • Scope of delivery: Complete set, inner/outer boxes, all 3 cards, hang tag, extra strap
Posted at
Oct 22, 2025, 8:28 PM
Active
[WTS]🔥OMEGA SPEEDMASTER MOONWATCH PROFESSIONAL SAPPHIRE SANDWICH 310.30.42.50.01.002 COMPLETE 10/2025 WITH STICKERS!!!🔥

🔥OMEGA SPEEDMASTER MOONWATCH PROFESSIONAL SAPPHIRE SANDWICH 310.30.42.50.01.002 COMPLETE 10/2025 WITH STICKERS!!!🔥

A brand new, unworn OMEGA Speedmaster Moonwatch Professional Sapphire Sandwich with a black dial and stainless steel case.

  • Condition: Brand new/unworn
  • Case Size: 42mm diameter
  • Material: Stainless Steel
Posted at
Oct 22, 2025, 8:18 PM
Active
[WTS] Omega Speedmaster Chronograph Broad Arrow Tokyo Olympic 2020

Omega Speedmaster Chronograph Broad Arrow Tokyo Olympic 2020

The Omega Speedmaster Chronograph Broad Arrow Tokyo Olympic 2020 features a stainless steel case with a clean white dial, bold legible arabic numerals, and broad arrow hands. The chronograph hand reveals the Olympic rings, and the watch is powered by an automatic Co-Axial calibre 3313.

  • Condition: Minimal wear and light polish on bracelet and clasp
  • Case size: 42mm diameter x 48 height
  • Lug width: 20mm
  • Wrist size recommendation: 7.8in
Posted at
Oct 22, 2025, 8:07 PM
Active