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 Broad Arrow Olympics 2012 – Gloss White Porcelain-Like Dial • Heat-Blued Hands • Cal. 3313 Co-Axial Column-Wheel Automatic Chrono • Rubber B Croc SwimSkin Strap - $2,600 Shipped CONUS

Omega Speedmaster Broad Arrow Olympics 2012 – Gloss White Porcelain-Like Dial • Heat-Blued Hands • Cal. 3313 Co-Axial Column-Wheel Automatic Chrono • Rubber B Croc SwimSkin Strap - $2,600 Shipped CONUS

The Omega Speedmaster Broad Arrow Olympics 2012 features a gloss white, porcelain-like dial with sunken subdials and heat-blued hands. It has a classic, beautiful design and is extremely refined.

  • Condition: Excellent, recently pressure-tested
  • Case Dimensions: case dimensions and proportions are extremely close to a Moonwatch
  • Movement: Omega Caliber 3313, column-wheel, Co-Axial chronograph movement
  • Straps: Rubber B Crocodile SwimSkin strap, retails for over $300
Posted at
Dec 6, 2025, 3:34 PM
Active
[WTS] Omega Speedmaster Moonphase — 2022 Full Set + Extras — $7,750 OBO

Omega Speedmaster Moonphase — 2022 Full Set + Extras — $7,750 OBO

This Omega Speedmaster Moonphase is a Co-Axial Master Chronometer with Ref: 304.30.44.52.01.001, dated 2022. It's available as a full set with OEM extras.

  • Condition: Very Good
  • Year: 2022
  • Case condition: honest clasp wear
Posted at
Dec 6, 2025, 12:38 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch White ref. 310.30.42.50.04.001

Omega Speedmaster Professional Moonwatch White ref. 310.30.42.50.04.001

This Omega Speedmaster Professional Moonwatch White features a manual wind 3861 caliber movement in a sapphire sandwich configuration, with a white lacquered dial inspired by vintage iterations.

  • Condition: Minimal signs of wear, super healthy on Timegrapher
  • Case size: 42mm diameter
  • Movement: Manual wind 3861 caliber movement
  • Crystal: Sapphire sandwich configuration with top crystal and exhibition caseback
Posted at
Dec 6, 2025, 10:50 AM
Active
[WTS] 2024 Omega Speedmaster Moonphase - Box and Papers

2024 Omega Speedmaster Moonphase - Box and Papers

2024 Omega Speedmaster Moonphase with blue sun-brushed dial and ceramic bezel, powered by OMG 9904 movement.

  • Condition: Really nice used condition with a few very light marks
  • Case size: 44.25mm
  • Movement power reserve: 60 hours
Posted at
Dec 6, 2025, 9:33 AM
Active
[WTS] Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET

Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET

This Omega Speedmaster Dark Side of the Moon features a full-ceramic case and buckle, sold with its box and papers.

  • Condition: Mint, like-new condition
  • Case material: full-ceramic
  • Year: 2019
Posted at
Dec 5, 2025, 9:10 PM
Active
[WTS] Omega Speedmaster “The 1957 Trilogy” 60th Anniversary Limited Edition 311.10.39.30.01.001 - With accessories

Omega Speedmaster “The 1957 Trilogy” 60th Anniversary Limited Edition 311.10.39.30.01.001 - With accessories

This listing features the Omega Speedmaster “The 1957 Trilogy” 60th Anniversary Limited Edition, a commemorative watch marking the brand’s iconic design.

  • Condition: Excellent pre-owned
  • Accessories: booklets, straps, strap changer, travel case, tag, Double box
  • Condition Detail: Undated card
Posted at
Dec 5, 2025, 7:02 PM
Active
[WTS] Omega Speedmaster w/ white gloss lacquer dial [ Ref. 310.30.42.50.04.001 ]

Omega Speedmaster w/ white gloss lacquer dial [ Ref. 310.30.42.50.04.001 ]

Up for sale is an Omega Speedmaster Moonwatch Professional with a white gloss lacquer dial, coming as a full set including box and warranty card.

  • Condition: excellent condition
  • Case size: 42mm diameter
Posted at
Dec 5, 2025, 6:44 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional White Dial 310.30.42.50.04.001

Omega Speedmaster Moonwatch Professional White Dial 310.30.42.50.04.001

The Omega Speedmaster Moonwatch Professional White Dial features a bold, high-contrast aesthetic and is available as a full set.

  • Condition: Mint
  • Water Resistance: meters
  • Set Contents: full
Posted at
Dec 5, 2025, 3:16 PM
Active