Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink

Reference 310.20.42.50.99.001

About this watch

The Omega Speedmaster Professional Moonwatch 310.20.42.50.99.001 is a stunning blend of tradition and innovation, featuring a unique Sedna Gold and pink finish. Its 42mm stainless steel case and Sedna Gold accents command attention, while the remarkable Omega caliber 3861 movement boasts a co-axial escapement, reducing friction for enhanced accuracy and longevity. Certified by METAS as a Master Chronometer, this watch can resist magnetic fields reaching an impressive 15,000 gauss. The sunburst pink finish adds sophistication, making it perfect for both casual and formal settings.
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Key Features

  • Omega caliber 3861 movement
  • 42mm stainless steel case
  • Sedna Gold accents
  • Co-axial escapement
  • Master Chronometer certified by METAS
  • 50m water resistance
  • Chronograph function

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink
Reference
310.20.42.50.99.001
Movement
3861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
  • Chronometer
Case
42mm
Dial Color
Pink
Crystal
Sapphire
Water Resistance
50

Current Listings

[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