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] 2025 Omega Speedmaster Silver Snoopy Award Full Set

2025 Omega Speedmaster Silver Snoopy Award Full Set

Omega - 310.32.42.50.02.001 · $15,499
The Omega Speedmaster Silver Snoopy Award 50th Anniversary is a highly sought-after model that celebrates the brand's historic relationship with NASA and commemorates the Silver Snoopy Award presented to Omega in 1970 for its contributions to the Apollo 13 mission.

  • Case size: 42mm
  • Movement: Manual Wind, Omega Caliber 3861 (Master Chronometer Certified)
  • Dial color: Silver with blue accents
Posted at
Apr 27, 2026, 4:08 PM
Active
[WTS] Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )

Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )

This Omega Speedmaster Moonwatch Professional Sapphire is a brand new watch with a stainless steel case and 3861 Omega Master Chronometer Movement.

  • Condition: Brand new
  • Case Size: 42mm diameter
  • Movement: 3861 Omega Master Chronometer
Posted at
Apr 27, 2026, 12:53 PM
Active
[WTS] Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )

Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )

A brand new Omega Speedmaster Moonwatch Professional Hesalite, complete with all boxes and papers.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement type: Omega Master Chronometer Movement
Posted at
Apr 27, 2026, 12:46 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch 310.30.42.50.01.002 Full set

Omega Speedmaster Professional Moonwatch 310.30.42.50.01.002 Full set

A fully set Omega Speedmaster Professional Moonwatch in excellent condition, with a rich history and no signs of wear.

  • Condition: Excellent
  • Asking price: $6200 plus shipping
Posted at
Apr 27, 2026, 11:30 AM
Active
[WTS] Omega Speedmaster Date 3513.30 $2,200

Omega Speedmaster Date 3513.30 $2,200

Omega - 3513.30 · $2,200
The Omega Speedmaster Date features a clean sunburst textured silver dial and a classic polished bezel, running on the Omega 1152 automatic chronograph movement.

  • Condition: Preowned - Good
  • Box and papers: yes, dated October 2006
  • Max wrist size: 7.75 inches
Posted at
Apr 27, 2026, 10:40 AM
Active
[WTS] Omega Speedmaster 311.30.42.30.01.006 Full Set

Omega Speedmaster 311.30.42.30.01.006 Full Set

Full set Omega Speedmaster 311.30.42.30.01.006 for sale.

  • Full set: yes
Posted at
Apr 27, 2026, 9:29 AM
Active
[WTS] Omega Speedmaster Moonwatch Sapphire Sandwich (310.30.42.50.01.002)

Omega Speedmaster Moonwatch Sapphire Sandwich (310.30.42.50.01.002)

A 2022 Omega Speedmaster Moonwatch Sapphire Sandwich, described as overall mint condition, with protective stickers on the case and clasp.

  • Condition: mint condition
  • Year: 2022
  • Box And Papers: yes
Posted at
Apr 27, 2026, 8:50 AM
Active
[WTS] Omega Speedmaster 38mm Green Dial Diamond 324.18.38.50.60.001 $11,000 Full Set

Omega Speedmaster 38mm Green Dial Diamond 324.18.38.50.60.001 $11,000 Full Set

Omega - 324.18.38.50.60.001 · $11,000
Selling my Omega Speedmaster 38mm with a green dial and diamonds, dated 2024 December.

  • Condition: Excellent condition, very slight signs of use
  • Case size: 38mm
  • Shipping location: Singapore
  • Shipping duration to us: 4-5 business days
Posted at
Apr 27, 2026, 8:32 AM
Active
[WTS][US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW

[US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW

Omega - 310.30.42.50.01.004 · $10,800
This Omega Speedmaster Moonwatch Professional is a Reverse Panda model with a 42mm case size.

  • Condition: Brand new, unworn, and pristine condition
  • Case size: 42mm
  • Bracelet condition: Zero hairlines
Posted at
Apr 27, 2026, 8:19 AM
Active