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

Reference 310.20.42.50.99.001

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

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 Racing Chronograph 44mm Ref - 329.30.44.51.04.001

Omega Speedmaster Racing Chronograph 44mm Ref - 329.30.44.51.04.001

Omega - 329.30.44.51.04.001 · $5,750.006
A 44mm Omega Speedmaster Racing Chronograph in white dial with textured finish and date function.

  • Condition: Good, with outer box damage
  • Size: 44mm diameter
  • Box And Papers: Yes
Posted at
Jun 21, 2025, 9:27 AM
Active
View listing on WatchUseek
[WTS] Omega Speedmaster Racing Chronograph 44mm Ref - 329.30.44.51.04.001

Omega Speedmaster Racing Chronograph 44mm Ref - 329.30.44.51.04.001

Omega - 329.30.44.51.04.001 · $5,750
A Omega Speedmaster Racing Chronograph in a larger size with date function and textured dial.

  • Condition: Excellent, some exterior damage to inner box
  • Size: 44mm diameter
  • Case material: not specified
Posted at
Jun 21, 2025, 8:56 AM
Active
View listing on r/WatchExchange
Pre-Owned Omega Speedmaster Dark Side of the Moon Apollo 8 311.92.44.30.01.00

Pre-Owned Omega Speedmaster Dark Side of the Moon Apollo 8 311.92.44.30.01.00

Omega - 311.92.44.30.01.00 · $8,399.008
A pre-owned Omega Speedmaster Dark Side of the Moon Apollo 8, a black ceramic watch with a hand-wind movement and 50m water resistance.

  • Condition: 95% condition, faint marks on sides and back of case, strap in 94% condition due to minor wear and creasing
  • Movement: Hand-Wind
  • Case size: 44mm diameter
  • Material: Ceramic
Posted at
Jun 20, 2025, 9:52 PM
Active
View listing on WatchUseek
[WTS] 2019 Omega Speedmaster 57’ 40.5mm Black Dial 331.10.42.51.01.001

2019 Omega Speedmaster 57’ 40.5mm Black Dial 331.10.42.51.01.001

Omega - 331.10.42.51.01.001 · $4,650
2019 Omega Speedmaster 57' with a 40.5mm black dial, featuring full links and a double-boxed package.

  • Condition: Excellent Pre-Owned Condition
  • Diameter: 40.5mm
Posted at
Jun 20, 2025, 9:32 PM
Active
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[WTS] 2024 Omega Speedmaster Moonwatch Professional Hesalite 310.32.42.50.01.001

2024 Omega Speedmaster Moonwatch Professional Hesalite 310.32.42.50.01.001

Omega - 310.32.42.50.01.001 · $4,950
2024 Omega Speedmaster Moonwatch Professional with Hesalite crystal, 42mm diameter, and Master Chronometer certification.

  • Condition: Excellent Pre-Owned Condition
  • Case Size: 42mm diameter
Posted at
Jun 20, 2025, 9:27 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set

Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set

Omega - 329.30.43.51.02.002 · $4,900
The Omega Speedmaster Chronoscope features a distinctive white panda dial with three timing scales in a 1940's design, including tachymeter, pulsometer, and telemeter scales.

  • Condition: exceptional, mint condition with slight marks on the clasp and case side
  • Diameter: 43mm
Posted at
Jun 20, 2025, 2:19 PM
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OCT 2024 Omega Speedmaster racing 9900 44.25mm 329.33.44.51.01.001

OCT 2024 Omega Speedmaster racing 9900 44.25mm 329.33.44.51.01.001

Omega - 329.33.44.51.01.001 · $5,800.006
This Omega Speedmaster racing watch features a 44.25mm case size, is from the factory in October 2024, and has a retail price of $9200 plus tax.

  • Condition: Good condition and full set
  • Case Size: 44.25mm
  • Warranty Date: OCT 2024
  • Retail Price: $9200 plus tax
Posted at
Jun 20, 2025, 11:45 AM
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View listing on WatchUseek
[WTS] 2009 Omega Speedmaster Alaska Project - 311.32.42.30.04.001- 42mm - Near Full Set [US]

2009 Omega Speedmaster Alaska Project - 311.32.42.30.04.001- 42mm - Near Full Set [US]

Omega - 311.32.42.30.04.001 · $16,750
A nearly complete set of the 2009 Omega Speedmaster Alaska Project, a 42mm watch that functions perfectly mechanically.

  • Condition: Excellent condition with hairlines at most
  • Size: 42mm diameter
  • Set completeness: nearly full set
Posted at
Jun 19, 2025, 11:03 PM
Active
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Omega Speedmaster Moonphase Moonwatch Moonwatch Blue 44mm 304.33.44.52.03.001 Leather

Omega Speedmaster Moonphase Moonwatch Moonwatch Blue 44mm 304.33.44.52.03.001 Leather

Omega - 304.33.44.52.03.001 · $6,999.007
A 44mm stainless steel Omega Speedmaster Professional Moonwatch with a blue dial, sapphire crystal, and automatic self-winding movement. It features a chronograph, date indicator, and moonphase function.

  • Condition: Very good condition with signs of wear as pictured
  • Case Diameter: 44.25mm
  • Band Material: Dark Blue Leather Strap
  • Crystal Type: Sapphire
Posted at
Jun 19, 2025, 7:10 PM
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View listing on WatchUseek