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

Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (excellent)

Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (excellent)

This Omega Speedmaster Moonwatch Professional is a stainless steel watch with a 42mm case, featuring an Omega Master Chronometer movement.

  • Condition: Excellent
  • Case size: 42mm
  • Movement type: Omega Master Chronometer
Posted at
Apr 2, 2025, 3:09 PM
Active
Omega 31062425099001 Speedmaster Moon watch 18K Yellow Gold

Omega 31062425099001 Speedmaster Moon watch 18K Yellow Gold

Omega - 31062425099001 · $22,795
The Omega Speedmaster Moon watch is a Professional Moonshine model with an 18K yellow gold case on a rubber strap. It features a manual wind movement, 12-hour chronograph, and display caseback.

  • Material: 18K Yellow Gold
  • Movement: Omega caliber 3861
  • Diameter: 42mm
Posted at
Mar 31, 2025, 10:39 PM
Active
OMEGA Speedmaster '57 Blue Chronograph Dial Steel Men's Watch 332.10.41.51.03.001

OMEGA Speedmaster '57 Blue Chronograph Dial Steel Men's Watch 332.10.41.51.03.001

Omega Speedmaster '57 Blue Chronograph Dial Steel Men's Watch, purchased in 2024 with original AD receipt and box.

  • Condition: Excellent
  • Box: yes
  • Papers: original AD receipt
Posted at
Mar 31, 2025, 6:57 PM
Active
Omega Speedmaster - FOIS - 310.30.40.50.06.001 ( excellent / 2024 )

Omega Speedmaster - FOIS - 310.30.40.50.06.001 ( excellent / 2024 )

This Omega Speedmaster FOIS is a 39.7mm stainless steel case watch with the 3861 Calibre. It comes with all original boxes, papers, booklets, and an Omega Warranty Card dated November 2024.

  • Condition: Excellent condition
  • Case size: 39.7mm
  • Movement: Omega 3861 Calibre
Posted at
Mar 28, 2025, 3:40 PM
Active
Omega Speedmaster '57 - 40.5mm Co-Axial - 332.10.41.51.01.001 ( excellent )

Omega Speedmaster '57 - 40.5mm Co-Axial - 332.10.41.51.01.001 ( excellent )

This Omega Speedmaster '57 is a Novelties 2022 model with a 40.5mm stainless steel case, powered by the Master Co-Axial movement.

  • Condition: Excellent
  • Case size: 40.5mm diameter
  • Movement type: Master Co-Axial
Posted at
Mar 28, 2025, 3:39 PM
Active
Omega Speedmaster '57 - Black / Leather - 331.12.42.51.01.002 ( excellent )

Omega Speedmaster '57 - Black / Leather - 331.12.42.51.01.002 ( excellent )

This Omega Speedmaster '57 Chronograph features a black dial on a leather strap, housed in a 41.5mm stainless steel case with a 9300 Master Co-Axial Movement.

  • Condition: Excellent
  • Case size: 41.5mm
  • Movement type: Master Co-Axial
Posted at
Mar 27, 2025, 3:24 PM
Active
2002 Omega Speedmaster "Reduced" Ref. 3510.50 with Box & Papers

2002 Omega Speedmaster "Reduced" Ref. 3510.50 with Box & Papers

Omega - 3510.50 · $3,050
The Omega Speedmaster Reduced Automatic is a Luminova example in excellent pre-owned condition with a dial and hands in good condition, measuring 39mm in diameter.

  • Condition: Excellent
  • Case Width: 39mm
  • Strap Length: 7.5 inches
  • Movement: Automatic
Posted at
Mar 27, 2025, 1:32 PM
Active
Omega Speedmaster Dark Side of the Moon -311.92.44.51.01.003 - Ceramic - 44mm

Omega Speedmaster Dark Side of the Moon -311.92.44.51.01.003 - Ceramic - 44mm

The Omega Speedmaster 'Dark Side of the Moon' is a ceramic watch with a black dial, measuring 44mm in diameter. It features a co-axial chronograph movement and comes with an Omega box set, warranty card, and manual.

  • Condition: Pre-Owned (Mint Grade)
  • Case size: 44mm
  • Bracelet type: Black Canvas with Tang Buckle
  • Movement: Co-Axial Chronograph
Posted at
Mar 26, 2025, 8:13 PM
Active
Omega Speedmaster Moonwatch 3861 - White - 310.30.42.50.04.001 ( excellent )

Omega Speedmaster Moonwatch 3861 - White - 310.30.42.50.04.001 ( excellent )

This Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case, white dial, and sapphire crystal.

  • Condition: Excellent condition
  • Case size: 42mm diameter
  • Movement type: Omega Master Chronometer Movement
Posted at
Mar 26, 2025, 3:37 PM
Active