Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink / Alligator

Reference 310.23.42.50.99.001

Omega Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink / Alligator

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

Current Listings

2022 Omega Speedmaster Moonwatch 42mm 310.30.42.50.01.001 Black Dial - $6,050

A 2022 Omega Speedmaster Moonwatch Chronograph in stainless steel with a black dial, featuring a Hesalite crystal and a 5-year manufacturer warranty.

Posted at

Feb 11, 2026, 1:49 PM

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Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina Original Step Tritium Dial (Unpolished)

Omega - 145.022-69 · $5,235

This Omega Speedmaster Professional Moonwatch reference 145.022-69 is a strong example of this highly regarded reference. The watch features a black tritium step dial with warm yellow patina and matching tritium hands.

Condition: All-original, unpolished condition with excellent overall definition and moderate stretch in the bracelet
Case size: 42mm
Year: 1969
Movement service date: February 2026

Posted at

Feb 11, 2026, 12:50 PM

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2019 Omega Speedmaster Reduced 3510.50.00

Omega - 3510.50.00

2019 Omega Speedmaster Reduced with outer box, inner box, warranty card, and manual. The watch is in very good condition and retail ready.

Condition: Very Good
Year: 2019
Box Status: Retail Ready
Case Size: 39mm

Posted at

Feb 10, 2026, 10:30 PM

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2024 Omega Speedmaster Professional Ref 310.30.42.50.04.001 | Complete set | Excellent condition

Omega - 310.30.42.50.04.001 · $7,689

Selling a 2024 Omega Speedmaster Professional in excellent condition, with original box and accessories, suitable for daily wear or as a collector's piece.

Condition: Excellent / Very Good
Box And Outer Packaging: Original
Warranty Card Booklets: Omega warranty card & booklets
Tags: Included

Posted at

Feb 10, 2026, 10:03 PM

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Omega Speedmaster White Dial Co-Axial Chronograph 44.25mm – Ref. 329.30.44.51.04.001 – $5,249 Shipped

Omega - 329.30.44.51.04.001 · $5,249

The Omega Speedmaster Chronograph Co-Axial Master Chronometer features a 44.25mm stainless steel case, white dial, ceramic tachymeter bezel, and sapphire crystal with exhibition caseback. Powered by Omega's in-house Co-Axial Master Chronometer Caliber 9900.

Condition: Light surface wear, hairlines consistent with normal use; no deep dents or structural damage visible.
Case size: 44.25mm
Crystal type: Sapphire crystal with exhibition caseback
Movement: Omega's in-house Co-Axial Master Chronometer Caliber 9900, METAS certified

Posted at

Feb 10, 2026, 9:31 PM

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🔥2026 OMEGA SPEEDMASTER SAPPHIRE SANDWICH BRAND NEW COMPLETE!!🔥

OMEGA - 310.30.42.50.01.002 · $7,450

This brand new Omega Speedmaster Sapphire Sandwich features a beautiful black dial and stainless steel case, measuring 42mm in diameter.

Condition: BRAND NEW/UNWORN
Case Size: 42mm diameter
Material: Stainless Steel

Posted at

Feb 10, 2026, 5:39 PM

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Omega Speedmaster Professional Moonwatch Hesalire Cal 1861 - Big Box Full Set 2021

Omega - 311.30.42.30.01.005 · $4,650

The Omega Speedmaster Professional Moonwatch features a Lemania based caliber 1861 movement in a hesalite dome paired with a luminova dial. The watch is accompanied by the Big Box set including an inner travel box, outer protective one, loupe, two nato straps, medallion and loupe.

Condition: pre-owned with clean movement, light signs of use and scratches on the clasp
Movement: caliber 1861
Bracelet size: 42 x 20mm
Case material: hesalite

Posted at

Feb 10, 2026, 3:52 PM

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