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

[WTS] Omega Speedmaster 40mm Coaxial Automatic w/ OEM rubber strap and bracelet

Omega Speedmaster 40mm Coaxial Automatic w/ OEM rubber strap and bracelet

Omega - Speedmaster 40mm Coaxial Automatic · $3,450
This Speedmaster racing automatic is a beautiful timepiece with excellent condition. It comes with various accessories including an OEM rubber strap, bracelet, and more.

  • Condition: Excellent condition
  • Case Size: 40mm
  • Movement Type: Coaxial Automatic
Posted at
Apr 26, 2025, 10:49 AM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Bracelet. Clean.

Omega Speedmaster Bracelet. Clean.

Omega - Speedmaster · $675
I am selling my Omega Speedmaster Bracelet, which is in very clean condition. I bought it directly from Omega for $800 and have the invoice to prove it.

  • Condition: Very clean
  • Purchase Price: $800
  • Invoice Included: true
  • Shipping Cost: additional
Posted at
Apr 26, 2025, 9:54 AM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Sapphire Sandwich .002 Reference 💲5️⃣7️⃣2️⃣5️⃣

Omega Speedmaster Sapphire Sandwich .002 Reference 💲5️⃣7️⃣2️⃣5️⃣

Omega - .002 · $5,725
This listing is for a Omega Speedmaster Sapphire Sandwich .002 Reference. The additional details link provides more information about the watch.

Posted at
Apr 26, 2025, 9:45 AM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Pro, moonwatch, sapphire sandwich, 3861 movement (2021)

Omega Speedmaster Pro, moonwatch, sapphire sandwich, 3861 movement (2021)

Omega - 310.30.42.50.01.002 · $5,550
A very quick catch and release for me. Up for sale is an Omega Speedmaster Professional 'Sapphire Sandwich' featuring the 3861 movement, known as the moonwatch.

  • Condition: Excellent, minor signs of wear
  • Movement: 3861
  • Bracelet Size: sized to fit, includes all links
  • Shipping: CONUS only
Posted at
Apr 26, 2025, 8:51 AM
Active
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2022 Omega Speedmaster Moonwatch Sapphire 42mm 310.30.42.50.01.002 Mint Complete

Omega - 310.30.42.50.01.002 · $6,195
This 2022 Omega Speedmaster Moonwatch Sapphire 42mm is a first watch worn on the moon, featuring photos and a video on the seller's website.

  • Condition: Minty fresh
  • Case size: 42mm
  • Year: 2022
  • Contents: watch,inner & outer boxes,warranty card,pictogram,master chronometer,instruction booklet,black travel case,hang tag,cleaning cloth,Moonwatch Booklet
Posted at
Apr 7, 2025, 2:59 PM
Active
View listing on RolexForums
Omega Speedmaster Chronograph - Blue - Stainless Steel - 38mm - Mint

Omega Speedmaster Chronograph - Blue - Stainless Steel - 38mm - Mint

Omega - 324.30.38.50.03.002 · $3,695
This Omega Speedmaster Chronograph features a 38mm stainless steel case, blue dial, and automatic movement.

  • Condition: Pre-Owned - Mint
  • Case size: 38mm diameter
  • Bracelet type: Stainless Steel
  • Dial color: Blue
Posted at
Apr 5, 2025, 6:13 PM
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Omega Speedmaster 321 Ed White

Omega Speedmaster 321 Ed White

Omega - 321 Ed White / 311.30.40.30.01.001 · $15,500
This Omega Speedmaster 321 Ed White is an original purchase from a US OB in 2023, worn sparingly since.

  • Condition: Good condition with minor scuffs
  • Warranty: includes warranty cards
  • Links: all links included
Posted at
Apr 4, 2025, 6:34 PM
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2023 Omega Speedmaster �SNOOPY� 50th Anniversary 310.32.42.50.02.001 BOXES/PAPER

2023 Omega Speedmaster �SNOOPY� 50th Anniversary 310.32.42.50.02.001 BOXES/PAPER

Omega - 310.32.42.50.02.001 · $16,200
This is a 2023 Omega Speedmaster �SNOOPY� 50th Anniversary model, one of the most exclusive pieces in the watch world. It features a stainless steel case with a silver dial and comes with an OEM Omega stainless steel bracelet.

  • Condition: Excellent pre-owned
  • Case diameter: 42mm
  • Water resistance: 50m depth rating
  • Movement type: Manual
Posted at
Apr 4, 2025, 3:06 PM
Active
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Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (new / 2025)

Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (new / 2025)

Omega - 310.30.42.50.01.002 · $6,450
This Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case and is powered by the 3861 Omega Master Chronometer Movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement type: 3861 Omega Master Chronometer
Posted at
Apr 4, 2025, 2:52 PM
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