Omega Speedmaster Speedmaster Professional Moonphase / Strap

Reference 3876.50.31

Omega Speedmaster Professional Moonphase / Strap

About this watch

The Omega Speedmaster Professional Moonphase is an exquisite blend of precision, technology, and style, boasting a storied history in horology. With its classic yet sporty design, this watch exudes sophistication, featuring a black dial highlighted by the stainless steel case. The stick and dot indexes provide excellent visibility, while the moonphase complication adds a touch of elegance to its sporty demeanor. At its heart lies the Omega caliber 1866, a handwound chronograph movement renowned for precision and reliability. With a power reserve of 45 hours, it's designed to withstand daily wear and tear, making it an excellent choice for both men and women. The watch's durability is further enhanced by its sapphire crystal, ensuring that the beauty of the dial remains unblemished over time. Water-resistant up to 50 meters, this watch is suitable for splashes and brief immersions in water. Whether you're a collector, space enthusiast, or simply looking for a reliable timepiece, the Speedmaster Professional Moonphase ticks all the boxes, offering a perfect blend of functionality, style, and history.

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MSRP: $5,900

Market Price: $5,287

Key Features

Omega Caliber 1866 Handwound Chronograph Movement
42mm Stainless Steel Case with Tachymeter Bezel
Sapphire Crystal for Scratch-Resistant Durability

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonphase / Strap

Reference

3876.50.31

Movement

1866

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph
Moonphase

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

Current Listings

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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Omega Speedmaster Michael Schumacher The Legend Collection $3,450

Omega - 321.30.44.50.01.001 · $3,450

The Omega Speedmaster Michael Schumacher The Legend Collection is a limited edition watch celebrating motorsport and the achievements of Michael Schumacher, featuring a checkered carbon fiber dial and various racing-related details.

Condition: great pre-owned condition
Case Size: 44mm
Lug Width: 21mm
Water Resistance: 100m

Posted at

Jan 24, 2026, 11:31 AM

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Omega Speedmaster. 39mm. White Ceramic. Very nice.

Omega · $3,100

A 39mm white ceramic Omega Speedmaster with strong lume.

Case size: 39mm diameter
Material: white ceramic

Posted at

Jan 24, 2026, 10:54 AM

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Omega Speedmaster Dark Side of the Moon "Vintage"

Omega - 311.92.44.51.01.006 · $6,800

This Omega Speedmaster Dark Side of the Moon 'Vintage' edition is a rare model that no longer exists in production, featuring a black ceramic case and weighing 99 grams with a diameter of 44mm.

Condition: nearly perfect
Case diameter: 44mm
Lug-to-lug measurement: 49mm
Weight: 99 grams

Posted at

Jan 24, 2026, 8:56 AM

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2025 Omega Speedmaster White Dial 42 - $6,799

Omega - Speedmaster · $6,799

This is a modern take on the iconic Speedmaster design featuring a crisp white dial, black tachymeter bezel, and classic chronograph layout. It wears exceptionally well on the wrist and delivers the timeless Speedmaster look with everyday versatility.

Condition: great overall condition
Year: 2025
Dial color: white
Bezel type: black tachymeter

Posted at

Jan 23, 2026, 11:04 PM

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2025 Omega Speedmaster DSOTM Black Black

Omega - 311.92.44.51.01.005 · $8,895

2025 Omega Speedmaster DSOTM Black Black, a completely blacked out variant of the Speedmaster platform, crafted from solid ceramic with polished and brushed case, exhibition caseback, and a deployant clasp. This model is now discontinued.

Condition: like new condition
Case Size: 44.25mm
Movement: Omega Cal 9300 Automatic
Power Reserve: 60hrs

Posted at

Jan 23, 2026, 10:15 PM

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OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 🔥$10,000🔥

OMEGA - 311.92.44.30.01.001 · $10,000

The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 commemorates the 50th anniversary of the Apollo 8 mission, featuring a black ceramic case and a skeletonized dial representing the lunar surface.

Condition: UNWORN
Case material: black ceramic
Diameter: 44.25mm
Water resistance: not specified

Posted at

Jan 23, 2026, 9:22 PM

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Omega Speedmaster Broad Arrow - 3594.50 - Excellent Condition

Omega - 3594.50 · $3,599

Up for grabs is an Omega Speedmaster '57 Broad Arrow that is in great condition, with a flawless hesalite crystal and no signs of wear on the bracelet.

Condition: Excellent Condition
Bracelet size: 7.125 inches
Crystal material: Hesalite
Service history: Unknown but possibly recently serviced

Posted at

Jan 23, 2026, 9:17 PM

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