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

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A 39mm Omega Speedmaster with a panda dial, featuring gorgeous patina.

  • Diameter: 39mm
  • Movement: automatic
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Aug 31, 2025, 11:10 AM
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[WTS] Mint Omega Speedmaster Racing 40mm Panda Dial 326.30.40.50.01.002 $2900

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This Omega Speedmaster Racing is a full set with box and papers, featuring a 40mm panda dial.

  • Condition: Mint with slight scratches on the clasp
  • Case Size: 40mm
  • Dial Type: Panda Dial
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Aug 31, 2025, 7:20 AM
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[WTS] 2025 Omega Silver Snoopy Speedmaster

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  • Condition: Excellent
  • Year: 2025
  • Warranty expiration date: 4/18/2030
Posted at
Aug 30, 2025, 3:29 PM
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[WTS] RARE 1997 Omega Speedmaster 'Gemini V' LE of 150 PCS (Ref. 345.0022)

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The Omega Speedmaster 'Gemini V' is a rare limited edition watch produced in 1997 to commemorate the NASA Gemini V mission. It features a matte black dial with lume markers and an 42mm case, accompanied by original inner and outer boxes and booklets.

  • Condition: Excellent
  • Year: 1997
  • Case size: 42mm
  • Bracelet type: Omega 1499 with 842 end pieces
Posted at
Aug 29, 2025, 7:25 PM
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[WTS] Omega Speedmaster. Moonwatch. 3590.50. Tritium. Gorgeous patina. 馃敟

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  • Condition: Gorgeous patina
  • Shipping: Fedex with insurance
  • Location: NJ USA
  • Global Shipping: true
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Aug 29, 2025, 3:51 PM
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[WTS] Omega Speedmaster Speedy Tuesday - MINT UNWORN $15,000

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  • Condition: Mint unworn
  • Box included: yes, with warranty cards and accessories
  • Warranty: still valid
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[WTS] Omega Speedmaster. Broadarrow. Strong Lume. 馃敟

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  • Shipping Details: Fedex with insurance, NJ USA, global shipping accepted
Posted at
Aug 29, 2025, 12:31 PM
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[WTS] Omega Speedmaster Professional White 42MM - Ref 310.30.42.50.04.001 - Full Kit

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Omega - 310.30.42.50.04.001 $6,800
This listing is for a 42MM Omega Speedmaster Professional White watch, a preowned timepiece in great shape.

  • Condition: preowned in fantastic condition
  • Case Size: 42mm
  • Water Resistance: 50m
  • Warranty Years: 5
Posted at
Aug 29, 2025, 10:45 AM
Active
[WTS] BNIB Omega Speedmaster Professional White Dial 3861

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A brand new Omega Speedmaster Professional watch with a white dial, sold on rubber with full set boxes and papers.

  • Condition: Brand new in box (BNIB)
  • Dial color: white
Posted at
Aug 29, 2025, 10:11 AM
Active