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

2025 Omega Speedmaster Racing 44mm - 329.32.44.51.01.001 - Clean!

Omega - 329.32.44.51.01.001 · $6,295

This Omega Speedmaster Racing Co-Axial Master Chronometer Chronograph combines the heritage of the Speedmaster line with bold orange racing accents and the modern Caliber 9900 Master Chronometer movement. It features a factory black micro-perforated leather racing strap with orange rubber lining and an Omega folding deployant clasp.

Condition: barely worn, preowned
Movement: Caliber 9900 Co-Axial Master Chronometer
Power reserve: approximately 60 hours
Strap: factory black micro-perforated leather with orange rubber lining and Omega folding deployant clasp

Posted at

Jan 24, 2026, 9:51 PM

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📣🚨OMEGA Speedmaster "FOIS" 311.32.40.30.01.001 EXCELLENT CONDITION! $4500🚨📣

OMEGA - 311.32.40.30.01.001 · $4,500

This Omega Speedmaster 'First Omega in Space' is a manual wind watch with a 39.7mm case size and Caliber 1861 movement.

Condition: Excellent / like new
Case Size: 39.7mm diameter
Movement Type: Manual wind (Caliber 1861)
Condition Details: Excellent / like new (watch), shows wear on original box

Posted at

Jan 24, 2026, 9:08 PM

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2025 MINT Omega Speedmaster Moonphase Meteorite Dial

Omega - 304.30.43.52.01.001 · $14,189

This Omega Speedmaster Moonphase features a 43mm stainless steel case with a PVD black-coated meteorite plate dial, manual winding chronograph movement, and sapphire crystal exhibition caseback. It is certified by METAS and has a power reserve of approximately 60 hours.

Case Size: 43mm
Case Material: Stainless Steel
Dial: Genuine Meteorite

Posted at

Jan 24, 2026, 7:47 PM

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Omega Speedmaster Dark Side of the Moon 311.92.44.51.01.003

Omega - 311.92.44.51.01.003 · $6,500

This Omega Speedmaster Dark Side of the Moon features a 44.25mm black zirconium ceramic case and a Co-Axial calibre 9300 self-winding chronograph movement. The watch has a 60-hour power reserve, silicon balance-spring for resistance to magnetism, and is certified as a chronometer.

Condition: Pristine pre-owned with No dings dent or scratches anywhere
Case size: 44.25mm
Strap: 3 Straps (2 OEM / 1 AM)
Movement: Co-Axial calibre 9300, self-winding chronograph movement

Posted at

Jan 24, 2026, 7:38 PM

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BNIB Omega Speedmaster Professional, White Lacquer Dial - Full Set - $7400

Omega - 310.30.42.50.05.001 · $7,400

This Omega Speedmaster Professional features a white lacquer dial and is housed in a Master Chronometer movement.

Condition: Brand New In Box (BNIB), perfect condition, 10/10
Movement: Master Chronometer Omega Cal. 3861
Box Set: true

Posted at

Jan 24, 2026, 6:21 PM

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Omega “Silver Snoopy” Speedmaster

Omega - 310.32.42.50.02.001 · $13,999

This commemorative Omega Speedmaster Silver Snoopy Award pays tribute to NASA's 1970 Silver Snoopy Award with a detailed caseback animation of Snoopy in orbit and mission-inspired design.

Condition: Brand new, unworn
Case Diameter: 42mm
Water Resistance: 50m depth rating
Movement: Omega Co-Axial Master Chronometer Calibre 3861

Posted at

Jan 24, 2026, 6:21 PM

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Omega Speedmaster Professional 310.30.42.50.04.001 white dial, 2024 full set

Omega - 310.30.42.50.04.001 · $7,699

2024 Omega Speedmaster Professional with a white dial and new style bracelet.

Condition: Perfect
Case size: 42mm
Bracelet type: stainless steel with sliding clasp adjustments

Posted at

Jan 24, 2026, 6:00 PM

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Omega Speedmaster FOIS – Full Set – $4,300 Shipped

Omega - Speedmaster FOIS · $4,300

A manual winding Omega Speedmaster from 2017 with a case size of 39.7mm and Hesalite crystal, presented in full set condition including multiple straps and documentation.

Condition: Very good overall
Case Size: 39.7mm
Movement: Manual winding

Posted at

Jan 24, 2026, 2:38 PM

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2024 Omega Speedmaster “First Omega in Space” 310.30.40.50.06.001 – Full Set – $6,450 Shipped

Omega - 310.30.40.50.06.001 · $6,450

This is a 2024 Omega Speedmaster 'First Omega in Space' reference featuring a 39.7mm case with straight lugs and a vintage-inspired aesthetic, paired with Omega's Master Chronometer technology.

Condition: Excellent
Case size: 39.7mm
Movement: Omega Caliber 3861, Master Chronometer manual-wind chronograph
Water resistance: 50m

Posted at

Jan 24, 2026, 1:20 PM

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