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.
Buy Now on Jomashop
This is an affiliate link

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 Date 3210.50.00

Omega Speedmaster Date 3210.50.00

Omega - 3210.50.00 · $2,500
A Omega Speedmaster Date in excellent condition, featuring a 7.5” wrist size and 7 removable links.

  • Condition: Excellent condition
  • Bracelet stretch: no
  • Number of links: 7
  • Links removable: yes
Posted at
Feb 7, 2026, 9:04 AM
Active
[WTS] Omega Speedmaster 38 Black Dial 2023

Omega Speedmaster 38 Black Dial 2023

Omega - Speedmaster 38 · $3,800
This Omega Speedmaster 38 black dial blends the heritage of the 'Moonwatch' with refined, wearable proportions. It is powered by the Co-Axial Calibre 3330 and features a date window at 6 o'clock, 100m water resistance, and an iconic Seahorse medallion caseback.

  • Condition: Very Good
  • Movement: Co-Axial Calibre 3330
  • Water resistance: 100m
  • Depth rating: 10bar
Posted at
Feb 6, 2026, 3:31 PM
Active
[WTS] Omega Speedmaster Blue 32128000

Omega Speedmaster Blue 32128000

Omega - 32128000 · $2,999
A super-hard-to-find Omega Speedmaster Blue from 2016 with a stainless steel case diameter of 39mm.

  • Case diameter: 39mm
Posted at
Feb 6, 2026, 3:20 PM
Active
[WTS] Omega Speedmaster 38 Co-Axial Chronograph 38mm Brown Dial 324.23.38.50.02.002

Omega Speedmaster 38 Co-Axial Chronograph 38mm Brown Dial 324.23.38.50.02.002

For sale is an Omega Speedmaster 38 Co-Axial Chronograph with a 38mm brown dial. The watch is in excellent condition and comes with its original packaging including inner & outer boxes, manual, hang tag, date adjustment tool, Pictogram card, and warranty card.

  • Condition: Very good, rated at 9.9/10
  • Included Accessories: Inner & outer Omega boxes, manual, hang tag, date adjustment tool, Pictogram card, warranty card
  • Warranty Date: 2023
Posted at
Feb 6, 2026, 10:31 AM
Active
[WTS] Omega Speedmaster 38 Co-Axial Chronograph Grey Dial 324.32.38.50.06.001

Omega Speedmaster 38 Co-Axial Chronograph Grey Dial 324.32.38.50.06.001

This Omega Speedmaster 38 Co-Axial Chronograph features a grey dial and is in very good condition, rated at 9.8/10.

  • Condition: In very good condition, rated at 9.8/10
  • Included Accessories: Inner & outer Omega boxes, manual, microfibre cloth, hang tag, caseback sticker, pictogram card, and warranty card (dated 2022)
  • Condition Rating: 9.8/10
Posted at
Feb 6, 2026, 10:28 AM
Active
[WTS] Omega Speedmaster Moonwatch Professional O31030425001004 ♦️Brand New 2026♦️

Omega Speedmaster Moonwatch Professional O31030425001004 ♦️Brand New 2026♦️

Omega - O31030425001004 · $11,800
This Omega Speedmaster Moonwatch Professional features a brand new model from Q1 2026, complete with its full set including the box and papers.

  • Condition: Brand New
  • Has Box And Papers: Yes
  • Year Of Manufacture: 2026
  • Comes With Full Set: True
Posted at
Feb 6, 2026, 3:09 AM
Active
[WTS] 2019 Omega Speedmaster (FOIS) - 311.32.40.30.01.001 - Box and Papers!

2019 Omega Speedmaster (FOIS) - 311.32.40.30.01.001 - Box and Papers!

This is a 2019 Omega Speedmaster 'First Omega in Space' (FOIS) model, featuring a classic straight-lug case and vintage-inspired design. It's one of the favorite speedmasters among collectors due to its sharp look that fits any occasion.

  • Condition: pre-owned, fantastic with very minimal wear
  • Case size: 39.7mm diameter
  • Edition: Numbered Edition
Posted at
Feb 5, 2026, 9:24 PM
Active
[WTS] Omega Speedmaster Chronoscope, Silver dial with Blue accents.

Omega Speedmaster Chronoscope, Silver dial with Blue accents.

Omega - Chronoscope · $5,750
This Omega Speedmaster Chronoscope features a silver dial with blue accents and has been owned by the seller who wore it for travels. It comes with all its original accessories, including a box and papers.

  • Condition: Pre-owned with minor scratches and hairline due to wear
  • Purchase location: Omega SG Boutique
  • Year of purchase: 2021
  • Original strap included: Yes
Posted at
Feb 5, 2026, 8:27 PM
Active
[WTS] Omega "Silver Snoopy" Speedmaster 2025

Omega "Silver Snoopy" Speedmaster 2025

Omega - 310.32.42.50.02.001 · $15,499
A coveted collector piece commemorating NASA's Silver Snoopy Award, featuring a highly detailed caseback animation of Snoopy in orbit.

  • Condition: Brand new, unworn
  • Case size: 42mm diameter
  • Case material: stainless steel
  • Dial color: silver with blue subdials
Posted at
Feb 5, 2026, 6:36 PM
Active