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]🐼NEW 2026 OMEGA SPEEDMASTER REVERSE PANDA

🐼NEW 2026 OMEGA SPEEDMASTER REVERSE PANDA

No description provided.

  • Condition: new
  • Year: 2026
Posted at
Apr 20, 2026, 11:39 PM
Active
[WTS] Omega Speedmaster Pro “Moon to Mars” Edition

Omega Speedmaster Pro “Moon to Mars” Edition

Omega - 3577.50 · $6,500
The Omega Speedmaster Pro 'Moon to Mars' Edition features a beautiful dial with subdials painted as Earth, Moon and Mars.

  • Condition: Good, with a scratch on the crystal at 1 o'clock
  • Bracelet size: 7 inches
  • Movement: 1861 manual
  • Size: 42mm diameter
Posted at
Apr 20, 2026, 10:37 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional 42mm 310.30.42.50.01.002 | 2025 Complete Set

Omega Speedmaster Moonwatch Professional 42mm 310.30.42.50.01.002 | 2025 Complete Set

The Omega Speedmaster Moonwatch Professional is a 42mm watch with an unknown service history.

  • Condition: Great Pre-Owned
  • Links: 24 Links
  • Warranty Years Remaining: 1 year (2025)
Posted at
Apr 20, 2026, 9:59 PM
Active
[WTS] Omega Speedmaster. Mother of pearl dial. 39mm. Automatic.

Omega Speedmaster. Mother of pearl dial. 39mm. Automatic.

Omega · $2,100
A 39mm automatic Omega Speedmaster with a mother of pearl dial and OEM omega strap.

  • Case size: 39mm
  • Movement type: Automatic
Posted at
Apr 20, 2026, 7:37 PM
Active
[WTS] Omega Speedmaster Hesalite (ref. 3103042500100)

Omega Speedmaster Hesalite (ref. 3103042500100)

Omega - 3103042500100 · $5,350
A recently serviced Omega Speedmaster Professional Moonwatch with a newer 3861 movement, featuring Hesalite crystal. The watch comes with full set, including warranty card, pictograms, master chronometer certification, and extra links.

  • Condition: Very good, some small marks on the case and desk diving marks on the clasp
  • Movement: 3861, newer
  • Set included: full set, warranty card dated January 2021, pictograms, master chronometer certification, extra links
Posted at
Apr 20, 2026, 7:12 PM
Active
[WTS][US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW

[US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW

Omega - 310.30.42.50.01.004 · $10,850
This Omega Speedmaster Moonwatch Professional is a 42mm Reverse Panda model available as a full set, complete with all original accessories.

  • Condition: Brand new, unworn, and in pristine condition
  • Case Size: 42mm
  • Set Contents: Watch,Box (inner & outer),Travel case,Historical booklet,User manual,Microfiber cloth,Master chronometer card,Warranty card
Posted at
Apr 20, 2026, 6:44 PM
Active
[WTS] Omega Speedmaster Triple Calendar Blue Sunburst Dial 3523.80 39mm | Great Condition (Serviced) | $2500

Omega Speedmaster Triple Calendar Blue Sunburst Dial 3523.80 39mm | Great Condition (Serviced) | $2500

Omega - 3523.80 · $2,500
This Omega Speedmaster Triple Calendar features a blue sunburst dial, stainless steel case, and automatic movement. It's compact at 39mm and comes with an OEM bracelet.

  • Condition: Great condition, serviced
  • Movement: Omega Cal. 1151 (based on Valjoux 7751)
  • Case dimensions: 44.7mm lug-to-lug, 13–14mm thickness
  • Bracelet: OEM, fits up to 19cm (7.5 inches)
Posted at
Apr 20, 2026, 12:03 AM
Active
[WTS] Omega Speedmaster Racing Reverse Panda dial New/ unworn Full set 6/2025

Omega Speedmaster Racing Reverse Panda dial New/ unworn Full set 6/2025

The Omega Speedmaster Racing features a black dial with classic Speedmaster heritage and modern refinements, offering an ideal balance of sportiness and versatility.

  • Condition: New/unworn
  • Case Size: 40mm
  • Bracelet Length: 7-inch
  • Warranty Expiration: 6/2025
Posted at
Apr 19, 2026, 4:31 PM
Active