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

🌕🌒2025 OMEGA Speedmaster Sapphire Like New Full Set🌒🌕

Omega - 310.30.42.50.01.002 · $6,995

A 2025 Omega Speedmaster Sapphire, like new and full set, including a double box, warranty card, and fully linked bracelet.

Condition: Like New Excellent
Year: 2025
Set Status: Full Set
Warranty Card Date: 9/2025

Posted at

Apr 30, 2026, 8:50 PM

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Omega Speedmaster Cal 321 "Ed White" - 311.30.40.30.01.001

Omega - 311.30.40.30.01.001 · $17,000

This Omega Speedmaster Cal 321 is a rare and highly sought-after watch, with each movement being double assembled by a single watchmaker in Bienne.

Condition: Gently worn with minimal signs of wear
Movement caliber: 321
Annual production: <1000

Posted at

Apr 30, 2026, 5:36 PM

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2024 Omega Speedmaster Professional Moonwatch White Dial 310.30.42.50.04.001 Full Set

Omega - 310.30.42.50.04.001 · $6,600

The Omega Speedmaster Professional Moonwatch is a 2024 model with a white dial, featuring a stainless steel case and manual winding movement.

Condition: Light scratches on the case and bracelet
Case size: 42mm diameter
Movement type: Manual Wind

Posted at

Apr 30, 2026, 5:14 PM

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Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Brand New

Omega - 310.30.42.50.04.001 · $7,900

This is a Omega Speedmaster Moonwatch Professional with a white dial.

Condition: Brand New
Year of production: 2026

Posted at

Apr 30, 2026, 3:37 PM

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2021 Omega Speedmaster Racing 329.32.44.51.01.001 Orange Full Set - $6,495

Omega - 329.32.44.51.01.001 · $6,495

2021 Omega Speedmaster Racing, a racing themed version of the iconic Speedmaster watch, featuring an orange color scheme and various accessories.

Condition: Excellent condition with minimal signs of wear
Year: 2021
Case Size: 44mm
Contents: Watch,Inner & Outer Box,Card Holder,International Warranty Card,Pictograms Card,Master Chronometer Card,Instructions Manual

Posted at

Apr 30, 2026, 9:53 AM

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2025 Omega Speedmaster Sedna Gold 310.60.42.50.01.001 — Like New Condition, Box & Papers

Omega - 310.60.42.50.01.001 · $29,500

The Omega Speedmaster Sedna Gold elevates the iconic Moonwatch design with Omega’s proprietary Sedna gold and features a rich black dial.

Condition: Like new condition, ding on bezel near 12 o'clock
Box And Papers: Yes, complete with original box and papers (wallet not included)
Movement: Master Chronometer manual-wind
Size: [object Object]

Posted at

Apr 30, 2026, 9:10 AM

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[US] Omega Speedmaster Moonphase - Black Dial - 44mm - 304.30.44.52.01.001

Omega - 304.30.44.52.01.001 · $6,750

A pre-owned Omega Speedmaster Moonphase watch in excellent condition, featuring a black dial and 44mm case size.

Condition: Fantastic condition
Case size: 44mm
Bracelet condition: minor hairlines

Posted at

Apr 30, 2026, 8:28 AM

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Omega Speedmaster Moonwatch 310.32.42.50.01.001 Full Set + Exhibition Caseback

Omega - 310.32.42.50.01.001 · $5,170

This Omega Speedmaster Moonwatch Professional features the Co-Axial Master Chronometer Caliber 3861 and comes as a full set, including an aftermarket exhibition caseback.

Condition: Excellent overall condition with minor mark on Hesalite crystal
Crystal material: Hesalite
Caseback type: Exhibition (aftermarket) and solid (original)
Extras: Original purchase receipt from Omega

Posted at

Apr 29, 2026, 10:27 PM

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