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

Reference 310.23.42.50.99.001

About this watch

The Omega Speedmaster Professional Moonwatch 3861 is a masterpiece of horology that seamlessly blends heritage, luxury, and modern technology. Its stunning pink sunburst dial radiates warmth and elegance, while the Sedna gold accents harmonize beautifully with the stainless steel case. The chronograph function is easily accessible, making it practical for everyday use. At its heart beats the Omega Caliber 3861 movement, featuring a co-axial escapement and silicon balance spring. This timepiece is not just a watch; it's a statement of sophistication and style that pairs well with both formal and casual attire.
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Key Features

  • Omega Caliber 3861 movement
  • Sedna gold accents
  • Stainless steel case
  • Tachymeter bezel
  • Water resistance up to 50 meters
  • 42mm diameter
  • Co-axial escapement and silicon balance spring

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink / Alligator
Reference
310.23.42.50.99.001
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 Schumacher Reduced - 3510.80

Omega Speedmaster Schumacher Reduced - 3510.80

Omega - 3510.80 · $3,799
The Omega Speedmaster Racing CART Edition is a rare and highly sought-after watch in excellent/mint condition, featuring a 39mm stainless steel case and vibrant signature blue dial.

  • Condition: Excellent/Mint
  • Case Size: 39mm diameter
  • Material: stainless steel
Posted at
Apr 12, 2026, 12:45 AM
Active
[WTS] PRICE DROP! Rare Vintage Omega Speedmaster Teutonic Ghost Gray Dial Bead Blasted Ref 145.0044

PRICE DROP! Rare Vintage Omega Speedmaster Teutonic Ghost Gray Dial Bead Blasted Ref 145.0044

Omega - 145.0040 · $2,795
This rare vintage Omega Speedmaster Teutonic features a gray ghost dial, bead-blasted case, and integrated bracelet. It has a manual wound cal 861 movement, chronograph functions, and original tritium lume.

  • Condition: Pre-owned with wear, scratches, and nicks
  • Diameter: 42mm
  • Movement: Manual wound Omega cal 861
  • Bracelet length: up to app 7.25 inches
Posted at
Apr 11, 2026, 8:17 PM
Active
[WTS] OMEGA Speedmaster Professional Moonwatch Sapphire Sandwich - Spiralwinder Ceramic Bezel Installed (+$260), OEM Bezel Included - Full Kit - 2025 Card - Quick Adjust Clasp - $6175 shipped CONUS

OMEGA Speedmaster Professional Moonwatch Sapphire Sandwich - Spiralwinder Ceramic Bezel Installed (+$260), OEM Bezel Included - Full Kit - 2025 Card - Quick Adjust Clasp - $6175 shipped CONUS

Up for sale is my OMEGA Speedmaster sapphire sandwich, a daily wear watch from an authorized dealer in 2025. The watch has been maintained and passes a 5 bar pressure test. It is priced accordingly due to its cosmetic condition.

  • Condition: Pre-owned, daily wear with scratches and desk dive marks
  • Year: 2025
  • Ownership: Second owner
  • Authentication: [object Object]
Posted at
Apr 11, 2026, 6:43 PM
Active
[WTS] Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.02.001

Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.02.001

This Omega Speedmaster 38 Co-Axial Chronograph features a silver dial and is in excellent overall condition with very minimal wear.

  • Condition: Excellent
  • Bracelet Condition: Brand-new, unworn
  • Included Items: Omega inner box,Omega outer box,Instruction manual,Pictograms card,Watchfinder certificate of authenticity
Posted at
Apr 11, 2026, 6:07 PM
Active
[WTS] Omega Speedmaster Professional (310.30.42.50.04.001)

Omega Speedmaster Professional (310.30.42.50.04.001)

This Omega Speedmaster Professional is the newest reference featuring a white dial on a steel bracelet, in excellent condition with almost no signs of wear.

  • Condition: Excellent
  • Case Size: 42mm diameter
  • Case Material: Stainless Steel
  • Bracelet Material: Stainless Steel
Posted at
Apr 11, 2026, 1:34 PM
Active
[WTS] True Collectors Set! Omega Speedmaster Day-Date "Reduced" | Black Dial Ref. 3520.50 | 39mm | Stainless Steel | Multiple Straps

True Collectors Set! Omega Speedmaster Day-Date "Reduced" | Black Dial Ref. 3520.50 | 39mm | Stainless Steel | Multiple Straps

Omega - 3520.50 · $3,550
The Omega Speedmaster Day-Date features a deep black dial and a sophisticated Triple Calendar complication in a 39mm stainless steel case.

  • Condition: Excellent 9/10 Condition
  • Case size: 39mm
  • Movement type: Triple Calendar complication
  • Bracelets: Omega stainless steel bracelet, two aftermarket bracelets (FOIS and leather)
Posted at
Apr 11, 2026, 10:10 AM
Active

2022 Omega Speedmaster Moonwatch Sapphire 42mm 310.30.42.50.01.002 Mint Complete

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

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

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
Active
Omega Speedmaster 321 Ed White

Omega Speedmaster 321 Ed White

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
Active