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 Date 3513.50

Omega Speedmaster Date 3513.50

Omega - 3513.50 · $1,850
A neo-vintage automatic chronograph with classic Speedmaster looks, powered by the Omega caliber 1152, and offering a perfect balance between sporty and dressy styles.

  • Condition: Very good overall condition
  • Movement: Omega caliber 1152 (ETA 7750-based)
  • Case Material: Stainless steel
  • Bezel Material: Stainless steel
Posted at
Feb 14, 2026, 8:33 PM
Active
[WTS] Omega Speedmaster Professional - Sapphire - AD B&P/Receipt - 3861

Omega Speedmaster Professional - Sapphire - AD B&P/Receipt - 3861

The listing appears to be for an Omega Speedmaster Professional Sapphire, a high-end watch model.

Posted at
Feb 14, 2026, 7:19 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 this Omega Speedmaster Moonwatch Professional with the white gloss lacquer dial, a full set including the Omega box and warranty card dated 2024.

  • Condition: Great pre-owned condition
  • Material: metal
Posted at
Feb 14, 2026, 1:09 PM
Active
[WTS] Omega Speedmaster Reverse Panda dial [ Ref. 310.30.42.50.01.004 ]

Omega Speedmaster Reverse Panda dial [ Ref. 310.30.42.50.01.004 ]

Omega - 310.30.42.50.01.004 · $10,600
Up for sale is this Omega Speedmaster Moonwatch Professional with the reverse panda dial. It comes as a full set, including the Omega box and other accessories.

  • Condition: Mint condition, worn a handful of times
  • Included Accessories: Omega box, outer box, warranty card, Chronometer card, hangtag, user manual, booklet
  • Location: Carlsbad, CA
Posted at
Feb 14, 2026, 12:28 PM
Active
[WTS] Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

Omega Speedmaster Grey Side Of The Moon watch features a grey dial and 44mm case.

  • Condition: Great, with a small chip on the case back
  • Case size: 44mm diameter
  • Materials: Titanium ceramic
Posted at
Feb 14, 2026, 11:59 AM
Active
[WTS] 20mm Omega Speedmaster Bracelet 1499 / 842 – Production (1996–1998)

20mm Omega Speedmaster Bracelet 1499 / 842 – Production (1996–1998)

A 20mm Omega Speedmaster bracelet with 842 end links, known for its high-quality build and taper.

  • Production period: 1996-1998
Posted at
Feb 14, 2026, 4:33 AM
Active
[WTS] OMEGA Speedmaster "Silver Snoopy Award" 50th Bracelet 310.32.42.50.02.001 $14000

OMEGA Speedmaster "Silver Snoopy Award" 50th Bracelet 310.32.42.50.02.001 $14000

OMEGA - 310.32.42.50.02.001 · $14,000
This is a limited-edition Omega Speedmaster 'Silver Snoopy Award' 50th Anniversary Series watch that pays tribute to OMEGA's contributions to space exploration. It features a unique caseback and comes with various accessories.

  • Condition: Very good, with no noticeable markings on the crystal or bezel
  • Case Size: 42mm
  • Bracelet Type: stainless steel
  • Straps Included: nylon strap,stainless bracelet
Posted at
Feb 13, 2026, 6:43 PM
Active
[WTS] Omega Speedmaster DSOTM Dark Side Of The Moon Black Zirconium Ceramic 311.92.44.51.01.003

Omega Speedmaster DSOTM Dark Side Of The Moon Black Zirconium Ceramic 311.92.44.51.01.003

One of the sickest versions of the Speedmaster, with a blacked out design and a dial that still pops out.

  • Condition: Immaculate
  • Straps: 3 (2 OEM, 1 AM strap)
  • Box and papers included: true
Posted at
Feb 13, 2026, 4:59 PM
Active