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 Day Date MK40

Omega - 3520.53.00 · $2,000

Up for sale is my Omega Speedmaster Day-Date MK40, reference 3520.53.00. A cult-favorite Speedy with serious ‘90s charm and one of the most wearable Speedmaster configurations ever made.

Condition: good
Case size: 39mm
Movement type: automatic chronograph

Posted at

Jan 7, 2026, 9:07 PM

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[US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002

Omega - 329.30.43.51.02.002 · $5,075

This Omega Speedmaster Chronoscope features a white panda dial in a 43mm case.

Condition: Fantastic with minor hairlines
Case Size: 43mm diameter
Included Accessories: box (inner & outer), user manual, microfiber cloth, card holder & triple cards

Posted at

Jan 7, 2026, 8:17 AM

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Omega Speedmaster Professional “White Dial” – Ref. 310.30.42.50.04.001 – 2025 – Full Set – Warranty to 2030 - 🔥$7️⃣4️⃣5️⃣0️⃣🔥

Omega - 310.30.42.50.04.001 · $7,450

A 2025 Omega Speedmaster Professional White Dial with a highly desirable white lacquer dial in excellent condition.

Condition: 9.5/10, excellent condition with minimal handling marks on the bracelet and clasp
Year: 2025
Movement: Omega Cal. 3861 (Master Chronometer)
Warranty expiration year: 2030

Posted at

Jan 6, 2026, 11:02 PM

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2024 Omega Speedmaster Grey Side of The Moon Meteorite 311.63.44.51.99.001 Full Set

Omega - 311.63.44.51.99.001 · $9,750

A 2024 Omega Speedmaster Grey Side of The Moon Meteorite watch featuring a grey ceramic case, 18K Sedna gold bezel, and meteorite dial. It has an automatic mechanical movement, comes on an original black nylon strap, and includes a full set of accessories.

Condition: Excellent pre-owned condition
Case material: Grey Ceramic
Case dimensions: 44.25mm diameter
Bezel material: 18K Sedna Gold

Posted at

Jan 6, 2026, 8:55 PM

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Omega Speedmaster Day Date Watch 3222.80 Serviced

Omega - 3222.80 · $3,500

This is a sporty and versatile Speedmaster with blue dial and automatic chronograph movement.

Condition: Very good, with factory serviced movement
Size: 40mm diameter
Dial color: blue

Posted at

Jan 6, 2026, 7:30 PM

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Omega Speedmaster Broad Arrow Re-Issue 3594.50 + 2024 Service

Omega - 3594.50 · $3,900

For sale is an Omega Speedmaster in very mint condition, fully complete set as shown including all box, books, links, and Omega warranty card.

Condition: Very mint condition
Service Date: 2024

Posted at

Jan 6, 2026, 5:45 PM

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Omega Speedmaster Reduced - 39mm Two Tone - Ref 175.0033 - Price Reduced!

Omega - 175.0033 · $2,850

The Omega Speedmaster Reduced is a white dial version, in great vintage condition with light hairlines on the bezel and case.

Condition: Great vintage condition, light hairlines on bezel and case
Case Size: 39mm diameter
Band Material: Leather AM strap from Casanova
Service History: No service history

Posted at

Jan 6, 2026, 2:06 PM

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2022 Omega Speedmaster Moonwatch Sapphire 42mm 310.30.42.50.01.002 Mint Complete

Omega - 310.30.42.50.01.002 · $6,195

This 2022 Omega Speedmaster Moonwatch Sapphire 42mm is a first watch worn on the moon, featuring photos and a video on the seller's website.

Condition: Minty fresh
Case size: 42mm
Year: 2022
Contents: watch,inner & outer boxes,warranty card,pictogram,master chronometer,instruction booklet,black travel case,hang tag,cleaning cloth,Moonwatch Booklet

Posted at

Apr 7, 2025, 2:59 PM

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Omega Speedmaster Chronograph - Blue - Stainless Steel - 38mm - Mint

Omega - 324.30.38.50.03.002 · $3,695

This Omega Speedmaster Chronograph features a 38mm stainless steel case, blue dial, and automatic movement.

Condition: Pre-Owned - Mint
Case size: 38mm diameter
Bracelet type: Stainless Steel
Dial color: Blue

Posted at

Apr 5, 2025, 6:13 PM

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