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

Reference 310.20.42.50.99.001

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

About this watch

The Omega Speedmaster Professional Moonwatch 310.20.42.50.99.001 is a stunning blend of tradition and innovation, featuring a unique Sedna Gold and pink finish. Its 42mm stainless steel case and Sedna Gold accents command attention, while the remarkable Omega caliber 3861 movement boasts a co-axial escapement, reducing friction for enhanced accuracy and longevity. Certified by METAS as a Master Chronometer, this watch can resist magnetic fields reaching an impressive 15,000 gauss. The sunburst pink finish adds sophistication, making it perfect for both casual and formal settings.

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Key Features

Omega caliber 3861 movement
42mm stainless steel case
Sedna Gold accents
Co-axial escapement
Master Chronometer certified by METAS
50m water resistance
Chronograph function

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink

Reference

310.20.42.50.99.001

Movement

3861

Movement Features

Small Seconds, Hours, Minutes
Chronograph
Chronometer

Case

42mm

Dial Color

Pink

Crystal

Sapphire

Water Resistance

Current Listings

Omega Speedmaster Reduced Tritium Patina (Read Comment)

This Omega Speedmaster Reduced has a beautiful patina and is in great condition overall, but it needs a new pusher to be restored to its original state.

Posted at

Mar 17, 2026, 10:43 PM

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Omega Speedmaster “Two Counter”in Blue 311.93.44.51.03.001 ($6650 obo)

Omega - 311.93.44.51.03.001 · $6,650

A 2020 Omega Speedmaster Two Counter in Titanium with a Blue Ceramic Bezel, featuring a two-counter design and coming as a full set with box and papers. The watch has been worn sparingly and is still under warranty from a dealer in Japan.

Condition: Like new, minor wear on bracelet
Bracelet condition: minor wear
Warranty: still under warranty from dealer in Japan (requires servicing in Japan)
Movement accuracy: +2 seconds per day at purchase

Posted at

Mar 17, 2026, 8:07 PM

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Omega Speedmaster Silver Snoopy Award – New/Unworn

Omega - 310.32.42.50.02.001 · $14,850

A Omega Speedmaster Silver Snoopy Award celebrating NASA's Silver Snoopy Award presented to Omega following the Apollo 13 mission, featuring an animated Snoopy caseback and silver dial with blue accents.

Condition: New / Unworn
Case size: 42mm
Movement type: Omega Co-Axial Master Chronometer Caliber 3861

Posted at

Mar 17, 2026, 6:53 PM

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Omega Speedmaster 3570.50- $3900

Omega - 3570.50 · $3,900

For sale is an Omega Speedmaster 3570.50, a well-maintained timepiece with original accessories.

Condition: Good condition
Bracelet: Original

Posted at

Mar 17, 2026, 12:18 PM

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Omega Speedmaster Reduced 3510.50 Mint Full Set $3250

Omega - 3510.50 · $3,250

This Omega Speedmaster Reduced from 1998 features a stainless steel case, 39mm in diameter, and a matte black dial with Luminova. The watch has an automatic Omega caliber 3220 movement, which is an ETA 2890-2 with a Dubois-Depraz chronograph module.

Condition: Mint
Case material: Stainless steel
Case size: 39mm diameter
Movement type: Automatic Omega caliber 3220 (ETA 2890-2 with Dubois-Depraz chronograph module)

Posted at

Mar 17, 2026, 9:57 AM

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Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.02.001

Omega - 324.30.38.50.02.001 · $3,500

A silver dial Omega Speedmaster 38 Co-Axial Chronograph in excellent condition. The watch features a chronograph function and is presented on a brown leather strap.

Condition: Excellent
Case condition: Minimal wear
Bracelet condition: Brand-new, unworn
Included accessories: Omega inner box, Omega outer box, Instruction manual, Pictograms card, Watchfinder certificate of authenticity, Original Omega stainless steel bracelet, Brown leather strap, Omega Cream Watch Pouch

Posted at

Mar 17, 2026, 8:49 AM

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Omega Speedmaster 3520.53 - $2,690

Omega - 3520.53 · $2,690

Up for sale is my Omega Speedmaster 3520.53, measuring 39mm with an automatic movement and steel case on an original Omega Steel speedmaster bracelet.

Condition: 8.8/10 - great shape with some usage marks and patina on subdials
Movement type: automatic
Case material: steel
Bracelet: original Omega Steel speedmaster bracelet

Posted at

Mar 16, 2026, 10:16 PM

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2020 Omega Speedmaster Racing 44.25mm 329.32.44.51.01.001 - Full set

Omega - 329.32.44.51.01.001 · $6,198

This Omega Speedmaster Racing features a 44.25mm case and a matt black dial with orange accents, powered by the Co-Axial Master Chronometer 9900.

Condition: great pre-owned condition
Case size: 44.25mm
Strap condition: leather strap has small amount of wear

Posted at

Mar 16, 2026, 5:58 PM

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2025’ Omega Speedmaster FOIS Complete Set

Omega - 310.30.40.50.06.001 · $7,000

A tribute to the first Omega watch worn in space, this updated Speedmaster FOIS captures the same style in modern form.

Condition: pre-owned with minor signs of wear
Case size: 40mm diameter
Box and papers: complete set, including inner & outer boxes, picto, chrono, warranty card, and booklet

Posted at

Mar 16, 2026, 5:24 PM

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