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

Reference 310.30.42.50.04.001

About this watch

The Omega Speedmaster Professional Moonwatch 3861, reference number 310.30.42.50.04.001, is a stunning timepiece that blends functionality with elegance. Designed for both everyday wear and special occasions, this watch boasts a rich history, a robust build, and a breathtaking aesthetic that easily draws attention. The pristine white dial exudes sophistication, while the stainless steel case measures 42 mm in diameter, striking the perfect balance between presence and wearability. The open case back showcases the intricate workings of the Caliber 3861 movement, highlighting the beauty of Swiss craftsmanship. This watch is more than just a timekeeper; it's a piece of history, a testament to Omega's commitment to precision and style.
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MSRP: $8,100
Market Price: $7,737

Key Features

  • Omega Caliber 3861 Movement
  • Master Chronometer Certification
  • Sapphire Crystal Glass
  • Tachymeter Bezel for Speed Measurement
  • Water Resistance up to 50 meters
  • Co-Axial Escapement for Improved Accuracy and Longevity
  • Manual-Winding Chronograph Movement with Power Reserve of 50 hours

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire / Bracelet
Reference
310.30.42.50.04.001
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 White Dial Complete Set w/ Box, Papers and Warranty!

Omega Speedmaster Professional Moonwatch White Dial Complete Set w/ Box, Papers and Warranty!

  • Box: yes, with box and papers
  • Warranty: still under warranty
  • Dial: white dial
Posted at
Mar 14, 2026, 5:18 PM
Active
[WTS] Omega Speedmaster Moonwatch Sapphire 3861 - full kit bracelet plus leather

Omega Speedmaster Moonwatch Sapphire 3861 - full kit bracelet plus leather

Omega - 3861 · $6,490
A Omega Speedmaster Moonwatch Sapphire Sandwich sold as a full kit with both leather and bracelet included.

  • Condition: Great condition, with some marks on the back of the lugs from strap changes
  • Warranty: Joma shop warranty until Jan 2028
  • Strap: Omega leather strap
  • Bracelet Links: All links included
Posted at
Mar 14, 2026, 4:34 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional - 311.30.42.30.01.006 - 42mm - Big Box - Full Set

Omega Speedmaster Moonwatch Professional - 311.30.42.30.01.006 - 42mm - Big Box - Full Set

Up for sale is an Omega Speedmaster Moonwatch Professional - 42mm - Big Box - Full Set Watch functions perfectly mechanically, without issue.

  • Condition: Fantastic condition with minor hairlines on bracelet, clasp, and case
  • Case size: 42mm
  • Bracelet condition: minor hairlines
Posted at
Mar 14, 2026, 12:02 PM
Active
[WTS][US] Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

[US] Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

A Omega Speedmaster Grey Side Of The Moon, featuring a grey dial and 44mm size.

  • Condition: great condition, small chip on edge of case back
  • Case Size: 44mm diameter
Posted at
Mar 14, 2026, 11:34 AM
Active
[WTS] Omega Speedmaster Professional 3861 Link - $50

Omega Speedmaster Professional 3861 Link - $50

Sealed and unopened OEM genuine Omega Speedmaster 3861 Professional replacement link, pin, and collar set received directly from an Omega Boutique.

  • Origin: directly from Omega Boutique
  • Shipping: free to CONUS with PayPal Friends+Family
Posted at
Mar 14, 2026, 9:21 AM
Active
[WTS] 2026 Omega Speedmaster Moonwatch Professional 310.32.42.50.04.002 – Brand New / Partially Stickered

2026 Omega Speedmaster Moonwatch Professional 310.32.42.50.04.002 – Brand New / Partially Stickered

A 2026 Omega Speedmaster Moonwatch Professional featuring a white dial, classic case, and black bezel, powered by the Master Chronometer Caliber 3861 manual-wind chronograph movement.

  • Condition: Brand new / partially stickered with small nick near lower right lug
  • Case size: 42mm
  • Movement: Omega Caliber 3861, Master Chronometer
  • Crystal: Sapphire
Posted at
Mar 13, 2026, 10:42 PM
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! 🔥$10,000🔥

OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 🔥$10,000🔥

OMEGA - 311.92.44.30.01.001 · $10,000
The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 is a 44.25mm masterpiece crafted from black ceramic, commemorating the 50th anniversary of the Apollo 8 mission.

  • Condition: UNWORN
  • Case material: black ceramic
  • Diameter: 44.25mm
  • Movement: Calibre 1869
Posted at
Mar 13, 2026, 8:27 PM
Active
[WTS] OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET! 🔥$16,000🔥

OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET! 🔥$16,000🔥

OMEGA - 311.30.40.30.01.001 · $16,000
A faithful recreation of the reference 105.003, famously worn by astronaut Ed White during America's first spacewalk, featuring a stainless steel timepiece with a black ceramic bezel and column-wheel chronograph movement.

  • Condition: UNWORN
  • Movement: Calibre 321
  • Diameter: 39.7mm
  • Case material: stainless steel
Posted at
Mar 13, 2026, 8:17 PM
Active
[WTS] Omega Speedmaster Professional “Reverse Panda” 42MM - Ref 310.30.42.50.01.004 (NEW / UNWORN 2026 COMPLETE SET)

Omega Speedmaster Professional “Reverse Panda” 42MM - Ref 310.30.42.50.01.004 (NEW / UNWORN 2026 COMPLETE SET)

Omega - 310.30.42.50.01.004 · $10,800
For sale is a 42MM Omega Speedmaster Professional ‘Reverse Panda’, in true new condition, with all original packaging and documentation.

  • Condition: new, unworn, unsized
  • Warranty date: 03/12/2026
  • Included items: outer sleeve, outer box, inner box, cards, manuals, AD shipping coffin, serialized hangtag, UPC sticker, microfiber, travel case
Posted at
Mar 13, 2026, 3:59 PM
Active