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 3861 - White - 310.30.42.50.04.001 ( new )

Omega Speedmaster Moonwatch 3861 - White - 310.30.42.50.04.001 ( new )

This Omega Speedmaster Moonwatch Professional features a white dial, 42mm stainless steel case, and is powered by the Omega Master Chronometer movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement: Omega Master Chronometer
Posted at
Jan 31, 2025, 3:12 PM
Active
1995 Omega Speedmaster Professional Ref. 3590.50 with Box & Papers

1995 Omega Speedmaster Professional Ref. 3590.50 with Box & Papers

Omega - 3590.50 · $4,500
A sought-after 1995 Omega Speedmaster Professional Ref. 3590.50 with a unique vintage charm, powered by the reliable Caliber 861 and paired with a comfortable bracelet.

  • Condition: Excellent (little to no signs of wear)
  • Case width: 42mm
  • Movement: Manual Cal. 861
  • Year: 1995
Posted at
Jan 31, 2025, 1:29 PM
Active
2008 Omega Speedmaster 'Reduced' Ref. 3539.50 with Box & Papers

2008 Omega Speedmaster 'Reduced' Ref. 3539.50 with Box & Papers

Omega - 3539.50 · $3,850
The 2008 Omega Speedmaster 'Reduced' Ref. 3539.50 is a great entry into the Omega brand, measuring at 39mm and featuring a scratch-resistant sapphire crystal and fold-over clasp.

  • Condition: Excellent (very little to no signs of wear)
  • Case width: 39mm
  • Movement: Automatic
  • Strap length: 7.50"
Posted at
Jan 31, 2025, 1:22 PM
Active
2017 Omega Speedmaster Moonphase 44.25mm Blue Dial - 304.33.44.52.03.001 - B&Ps

2017 Omega Speedmaster Moonphase 44.25mm Blue Dial - 304.33.44.52.03.001 - B&Ps

This Omega Speedmaster Moonphase features a stainless steel case, deep blue ceramic bezel, and a dial with a detailed moonphase.

  • Condition: Very Good Condition - Minimal wear
  • Case size: 44.25mm diameter
  • Movement: Caliber 9904
Posted at
Jan 30, 2025, 7:57 PM
Active
Omega Speedmaster professional moonwatch

Omega Speedmaster professional moonwatch

This Omega Speedmaster Professional Moonwatch is a highly sought after model from August 2020, featuring a stainless steel case and a black dial.

  • Condition: amazing condition
  • Caliber: 1861 movement
  • Case material: Stainless Steel
  • Glass type: Hesalite
Posted at
Jan 30, 2025, 7:43 PM
Active
2020 Omega Speedmaster FOIS Ref: 311.32.40.30.01.001 with B+P (Modded Dial)

2020 Omega Speedmaster FOIS Ref: 311.32.40.30.01.001 with B+P (Modded Dial)

A 2020 Omega Speedmaster First Omega In Space "FOIS" with a modded dial, featuring an authentic Omega black chronograph dial and applied logo for a vintage charm.

  • Condition: Excellent
  • Case size: 40mm
  • Serial number: 78,8XX,XXX
  • Edition number: 14xxx
Posted at
Jan 30, 2025, 7:20 PM
Active
1999 Omega Speedmaster Broad Arrow Ref: 3594.50 with Box and Papers

1999 Omega Speedmaster Broad Arrow Ref: 3594.50 with Box and Papers

Omega - 3594.50 · $3,850
A 1999 Omega Speedmaster Broad Arrow with a 42mm case and excellent condition stainless steel bezel, black dial, and broad arrow hands. It comes with the original box, papers, booklet holder, and warranty card.

  • Condition: Excellent
  • Case size: 42mm
  • Bracelet links: 15
  • End links: 840
Posted at
Jan 30, 2025, 7:18 PM
Active
1992 Omega Speedmaster Ref: 3590.50 with Patina

1992 Omega Speedmaster Ref: 3590.50 with Patina

Omega - 3590.50 · $4,350
This 1992 Omega Speedmaster features a 42mm case, black bezel, tritium dial, and 1479 Omega bracelet.

  • Condition: Excellent with some light wear and patina
  • Serial Number: 48,28X,XXX
  • Bracelet Length: 19 links
Posted at
Jan 30, 2025, 7:18 PM
Active
1993 Omega Speedmaster Ref: 3590.50�Sharp Case

1993 Omega Speedmaster Ref: 3590.50�Sharp Case

Omega - 3590.50 · $4,150
A 1993 Omega Speedmaster Ref: 3590.50 with a sharp case, excellent bezel and insert, tritium dial with aged patina, and an excellent 1479 Omega bracelet.

  • Condition: Excellent with light wear from use
  • Case size: 42mm
  • Serial number: 48,29X,XXX
Posted at
Jan 30, 2025, 7:17 PM
Active