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

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

Omega - 329.30.43.51.02.002 · $5,350

Up for sale is an Omega Speedmaster Chronoscope - White Panda Dial - 43mm watch that functions perfectly mechanically.

Condition: fantastic with minor hairlines
Case size: 43mm

Posted at

Oct 22, 2025, 9:06 AM

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Help/advice for selling my Omega Speedmaster

The seller is looking for advice on how to securely sell their four-figure Omega Speedmaster, citing concerns about scams and bot warnings.

Watch Model: Speedmaster
Seller Type: eBay

Posted at

Oct 21, 2025, 9:20 PM

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Omega Speedmaster Professional ( 310.30.42.50.01.001 ) - Like New!

Omega - 310.30.42.50.01.001 · $4,895

A 42mm Omega Speedmaster Professional in amazing condition, with minimal wear and a complete set of accessories.

Condition: Like New
Case size: 42mm diameter
Movement type: automatic

Posted at

Oct 21, 2025, 5:42 PM

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2025 Omega Speedmaster Moonwatch Sapphire Sandwich 310.30.42.50.01.002 Full Set

Omega - 310.30.42.50.01.002 · $7,000

A 2025 Omega Speedmaster Professional Moonwatch Sapphire Sandwich, purchased in January 2025 and running perfectly.

Condition: Excellent preowned condition with minor signs of wear
Year: 2025 (factory warranty until Jan 2030)
Size: 42mm diameter
Retail: $9000

Posted at

Oct 21, 2025, 4:37 PM

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Omega Speedmaster Dark Side Moon Apollo 8 44mm Ceramic Box Papers 2024

Omega - 310.92.44.50.01.001 · $11,950

A wonderful example of the Omega Speedmaster Dark Side Moon Apollo 8 model, featuring a black ceramic skeletonized dial and updated laser ablated moon surface. Paired with a Saturn V rocket constant seconds hand, this is one of the most detailed black ceramic watches to wear.

Condition: Mint condition, appears completely unworn
Case size: 44.25mm

Posted at

Oct 21, 2025, 4:34 PM

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Omega Speedmaster Mark II

Omega - 145.014 · $2,650

A 70's Omega Speedmaster Mark II in great shape, keeping time and chronograph functioning as it should. The watch has a chunky case that balances out with the drape of the bracelet, making it wear well.

Condition: Excellent, with minor degradation of paint on hour counter hand
Case Dimensions: 42.5mm width x 45.5mm length x 15mm thickness
Bracelet Adjustability: expandable to accommodate wrists up to 6.75"
Water Resistance Status: not guaranteed

Posted at

Oct 21, 2025, 3:58 PM

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OMEGA Speedmaster '57 Heritage, George Clooney, Neovintage Chrono, rare automatic version

OMEGA - 331.10.42.51.01.002 · $4,200

The OMEGA Speedmaster '57 Heritage is a rare automatic version that bridges two worlds: precision instrument and personal treasure. It features a black dial with beige indices, sub-dials at 9 and 3 o'clock, and recessed hour markers with Super-LumiNova.

Condition: pre-owned with minor cosmetic flaws (AR coating mark)
Case size: 41.5mm diameter
Movement type: automatic chronograph

Posted at

Oct 21, 2025, 3:38 PM

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Omega Speedmaster Triple Date 3220.50 - 40mm - $2350

Omega - 3220.50 · $2,350

This Omega Speedmaster Triple Date 3220.50 features a classic look with additional Chronometer functionality, available for sale in very good condition.

Condition: Very good pre-owned condition
Case diameter: 40mm
Crystal condition: clean
Bracelet condition: desk rash, minor scratches

Posted at

Oct 21, 2025, 2:55 PM

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[US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set - Brand New

Omega - 310.30.40.50.06.001 · $7,450

This Omega Speedmaster First Omega in Space watch is a brand new timepiece that comes with a full set, including the watch itself, box, historical manual, user manual, microfiber cloth, and other accessories. It features a fantastic condition with only stickers on the case and clasp.

Condition: Brand New
Case size: 40mm diameter
Serial number included: true

Posted at

Oct 21, 2025, 9:11 AM

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