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.
Buy Now on Jomashop
This is an affiliate link

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 Sapphire Sandwich 1863 - $3800

Omega Speedmaster Sapphire Sandwich 1863 - $3800

Omega - 1863 · $3,800
A classic watch that works in any situation, comes as watch only, and fits up to 7.5" wrist.

  • Condition: Excellent, works as expected
  • Wrist size compatibility: up to 7.5 inches
Posted at
May 6, 2025, 10:45 PM
Active
Omega Speedmaster Moonphase Two Tone

Omega Speedmaster Moonphase Two Tone

Omega - 175.0038 · $2,950.003
A beautiful Omega Speedmaster triple date, two tone, moon phase watch with a silky white dial and gold bezel.

  • Condition: Good condition with normal wear on the case and bezel
  • Case size: 39mm diameter
  • Movement: Cal 1152
  • Accessories: None
Posted at
May 6, 2025, 10:17 PM
Active
[WTS] Omega Speedmaster Moonphase Two Tone

Omega Speedmaster Moonphase Two Tone

Omega - 175.0038 · $2,950
A beautiful Omega Speedmaster triple date, two tone, moon phase watch with a silky white dial and gold bezel.

  • Condition: overall good condition for its age with some normal wear on the case and bezel
  • Movement: Cal 1152
  • Case size: 39mm diameter
Posted at
May 6, 2025, 10:00 PM
Active
[WTS] Omega Speedmaster Triple Date 3521.30

Omega Speedmaster Triple Date 3521.30

Omega - 3521.30 · $1,700
This Omega Speedmaster Triple Date features a white dial, 3 date complication, and is one of the reduced versions of the speed master.

  • Condition: Very good condition for its age with some normal wear on the case bezel and bracelet
  • Movement: 1150
  • Size: 39mm
  • Accessories: N/A
Posted at
May 6, 2025, 9:54 PM
Active
[WTS] Omega Speedmaster Professional Sapphire 1863 311.30.42.30.01.006 - $4,150

Omega Speedmaster Professional Sapphire 1863 311.30.42.30.01.006 - $4,150

This Omega Speedmaster Moonwatch Professional is a 42mm watch that functions perfectly mechanically and comes in amazing condition.

  • Condition: Amazing condition
  • Bracelet size fits wrist: 6.5 inches
Posted at
May 6, 2025, 7:37 PM
Active
Omega Speedmaster ’57 331.10.42.51.01.002

Omega Speedmaster ’57 331.10.42.51.01.002

Omega - 331.10.42.51.01.002 · $5,670.006
This Omega Speedmaster '57 Co-Axial Chronograph features a 41.5mm stainless steel case, black dial with twin-register chronograph layout, and is powered by Omega's in-house Co-Axial calibre 9300 movement.

  • Condition: Excellent pre-owned condition
  • Case size: 41.5mm diameter
  • Movement: Co-Axial calibre 9300 with 60-hour power reserve
  • Bracelet material: stainless steel
Posted at
May 6, 2025, 5:15 PM
Active
[WTS] Omega Speedmaster Professional 3590.50 - $3495 Shipped ✈️

Omega Speedmaster Professional 3590.50 - $3495 Shipped ✈️

Omega - 3590.50 · $3,495
This Omega Speedmaster Professional features a Tritium dial and Cal 861 movement, with all functions working well.

  • Condition: Excellent (Watch runs well, all functions work)
  • Size: 7.5 inch wrist size
  • Location: Conus (USA)
Posted at
May 6, 2025, 5:12 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch ( 310.30.42.50.01.001 ) - Full Kit - Reduced

Omega Speedmaster Professional Moonwatch ( 310.30.42.50.01.001 ) - Full Kit - Reduced

This Omega Speedmaster Professional is a 42mm watch with a full kit. It has been used but is in great condition, with some small scratches around the watch and on the bracelet.

  • Condition: Great condition, some small scratches
  • Bracelet condition: Little to no scratches
  • Payment methods: Bank Wire, paypal f&f
Posted at
May 6, 2025, 5:04 PM
Active
[WTS] Omega Speedmaster Reduced 3511.12 Yellow JAPAN 🇯🇵 EXCLUSIVE

Omega Speedmaster Reduced 3511.12 Yellow JAPAN 🇯🇵 EXCLUSIVE

Omega - 3511.12 · $2,275
Additional Details: Omega Speedmaster Reduced, watch comes with box and booklet, 7" bracelet

  • Bracelet length: 7 inch
  • Box and papers included: yes
Posted at
May 6, 2025, 4:31 PM
Active