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. Automatic. Gorgeous Lume. Ceramic bezel. 38mm. OEM strap + Deployant Clasp.

Omega Speedmaster. Automatic. Gorgeous Lume. Ceramic bezel. 38mm. OEM strap + Deployant Clasp.

Omega - Speedmaster · $2,750
A 38mm Omega Speedmaster with automatic movement, fire dial, and lume. It features a ceramic bezel, OEM strap, and deployant clasp.

  • Case size: 38mm diameter
  • Movement type: Automatic
Posted at
Jun 7, 2025, 2:29 PM
Active
[WTS] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set

Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set

The Omega Speedmaster Chronoscope features a white Panda dial with distinctive timing scales in a 1940's 'snail' design.

  • Condition: Exceptional, mint condition with slight marks on the clasp
  • Case size: 43mm diameter
  • Set includes: outer box, inner box, operating instruction manual, hang tag, original sticker, pictogram, master chronometer, warranty card (dated 4-2023)
  • Condition of packaging: The original white pillow has been replaced with a black pillow
Posted at
Jun 7, 2025, 2:25 PM
Active
[WTS] Omega Speedmaster Moonwatch 310.20.42.50.99.001 – Steel & Sedna Gold – Full Set – $15,895 Shipped

Omega Speedmaster Moonwatch 310.20.42.50.99.001 – Steel & Sedna Gold – Full Set – $15,895 Shipped

Omega - 310.20.42.50.99.001 · $15,895
The Omega Speedmaster Moonwatch is a premium bi-metal watch pairing stainless steel with Sedna Gold, featuring a brushed Sedna Gold PVD dial and black subdials.

  • Condition: Very Good Condition
  • Case diameter: 42mm
  • Water resistance: 50m
  • Movement type: Manual-wind Caliber 3861
Posted at
Jun 7, 2025, 12:51 PM
Active
FSO Like New Omega Speedmaster Professional Moonwatch - $4,650 - Ref 310.30.42.50.01.001

FSO Like New Omega Speedmaster Professional Moonwatch - $4,650 - Ref 310.30.42.50.01.001

Omega - 310.30.42.50.01.001 · $4,650.005
The Omega Speedmaster Professional Moonwatch is a high-end watch with a hesalite crystal, running within spec and featuring a flawless design.

  • Condition: Like New
  • Crystal type: hesalite
  • Bracelet adjustment: on the fly adjustment clasp
  • Warranty: no warranty included
Posted at
Jun 7, 2025, 10:09 AM
Active
Withdrawn Omega Speedmaster Professional Moonwatch - Ref 310.30.42.50.01.001

Withdrawn Omega Speedmaster Professional Moonwatch - Ref 310.30.42.50.01.001

Omega - 310.30.42.50.01.001 · $5,250.005
This Omega Speedmaster Professional Moonwatch is a few weeks old, purchased from Watchmaxx on May 19th of this year, and has been worn only a dozen times carefully. It is running within spec and looks amazing.

  • Condition: Like new
  • Material: Hesalite crystal
  • Warranty: No warranty included
Posted at
Jun 7, 2025, 10:09 AM
Active
FSO Like New Omega Speedmaster Professional Moonwatch - $4,550 - Ref 310.30.42.50.01.001

FSO Like New Omega Speedmaster Professional Moonwatch - $4,550 - Ref 310.30.42.50.01.001

Omega - 310.30.42.50.01.001 · $4,550.005
This Omega Speedmaster Professional Moonwatch is a few weeks old, purchased new from Watchmaxx, and has been worn only a dozen times carefully. It looks amazing and includes all original packaging and accessories.

  • Condition: Like new
  • Hesalite crystal: true
  • On the fly adjustment clasp: yes
  • Bracelet: new
Posted at
Jun 7, 2025, 10:09 AM
Active
FSO Like New Omega Speedmaster Professional Moonwatch - $4,450 - Ref 310.30.42.50.01.001

FSO Like New Omega Speedmaster Professional Moonwatch - $4,450 - Ref 310.30.42.50.01.001

Omega - 310.30.42.50.01.001 · $4,450.004
This Omega Speedmaster Professional Moonwatch features a hesalite crystal and is in flawless condition, with no scratches or marks of any kind. It has been worn carefully only a dozen times and runs within spec.

  • Condition: Like New
  • Age: a few weeks old
  • Bracelet: new bracelet with on the fly adjustment clasp
  • Crystal: hesalite crystal
Posted at
Jun 7, 2025, 10:09 AM
Active
FSO - Omega Speedmaster Professional Moonwatch - Ref 310.30.42.50.01.001

FSO - Omega Speedmaster Professional Moonwatch - Ref 310.30.42.50.01.001

Omega - 310.30.42.50.01.001 · $5,500.006
A brand-new Omega Speedmaster Professional Moonwatch with hesalite crystal, purchased only a few weeks ago from Watchmaxx.

  • Condition: Flawless and like new
  • Warranty: No warranty included
  • Crystal type: Hesalite crystal
Posted at
Jun 7, 2025, 10:09 AM
Active
FSO Like New Omega Speedmaster Professional Moonwatch - $4,900 - Ref 310.30.42.50.01.001

FSO Like New Omega Speedmaster Professional Moonwatch - $4,900 - Ref 310.30.42.50.01.001

Omega - 310.30.42.50.01.001 · $4,900.005
This Omega Speedmaster Professional Moonwatch is a few weeks old, purchased new from Watchmaxx, and comes in flawless condition with no scratches or marks.

  • Condition: Like New
  • Hesalite crystal: type of crystal used
  • Worn a dozen times: number of times worn
  • On the fly clasp: type of clasp
Posted at
Jun 7, 2025, 10:09 AM
Active