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 "The One That Actually Fits" – Serviced, & Sharp  ref 3510.50

Omega Speedmaster "The One That Actually Fits" – Serviced, & Sharp ref 3510.50

Omega - 3510.50 · $2,200
This Omega Speedmaster 'Reduced' model features a Triple Date layout and is known for its vintage charm, clean dial, and sharp lugs.

  • Condition: Excellent / Serviced 2025
  • Movement Type: Automatic
  • Bracelet: Original steel with additional links
  • Shipping Location: New York City
Posted at
Mar 6, 2026, 5:51 PM
Active
[WTS] OMEGA Speedmaster Racing 329.30.44.51.04.001 2022 Full Set

OMEGA Speedmaster Racing 329.30.44.51.04.001 2022 Full Set

This Omega Speedmaster Racing is a complete set with inner and outer boxes, manual, COSC card, warranty card, and hang tag.

  • Condition: Excellent
  • Warranty Expiration: May 2027
  • Size: for 7.5” wrist
Posted at
Mar 6, 2026, 4:31 PM
Active
[WTS] Omega Speedmaster 3511.50 Reverse Panda JAPAN EDITION

Omega Speedmaster 3511.50 Reverse Panda JAPAN EDITION

Omega - 3511.50 · $2,150
For sale is an Omega Speedmaster Reduced 3511.50, running great and all functions work properly.

  • Condition: great condition with light signs of wear
Posted at
Mar 6, 2026, 4:01 PM
Active
[WTS] OMEGA SPEEDMASTER 145.022-69 PREMOON

OMEGA SPEEDMASTER 145.022-69 PREMOON

OMEGA - 145.022-69 · $6,000
A charming vintage chronograph with a great dial and original DO90 bezel, sold with an original Omega bracelet.

  • Condition: Pre-owned, with signs of wear
  • Bracelet type: Original 1039
  • Clasp type: Omega clasp
Posted at
Mar 6, 2026, 3:05 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina 1978 (Serviced)

Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina 1978 (Serviced)

Omega - 145.022-78 · $5,050
This Omega Speedmaster Professional Moonwatch features a black tritium dial with even yellow patina and is presented in its original state with period-correct details.

  • Condition: Very good overall shape, original condition with some polishing on the case
  • Year: 1978
  • Size: 42mm diameter
Posted at
Mar 6, 2026, 10:46 AM
Active