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. Sapphire Sandwich. Coaxial. Automatic. Box, Papers.

Omega - 311.30.44.50.01.002 · $4,895

The Omega Speedmaster is a popular and iconic automatic watch featuring a sapphire sandwich design.

Box: true
Papers: true
Movement: coaxial automatic

Posted at

Jan 21, 2026, 7:25 PM

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Omega Speedmaster Racing Chronograph Silver Dial Watch 326.30.40.50.02.001 Complete Set

Omega - 326.30.40.50.02.001 · $5,895

The Omega Speedmaster Racing features a silver white dial, stainless steel case and bracelet, and chronograph movement, making it a striking and fresh take on the classic Moonwatch profile.

Condition: Excellent
Case Size: 40mm diameter
Movement Type: chronograph

Posted at

Jan 21, 2026, 3:06 PM

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Omega Speedmaster Black Fabric Strap

Omega - CWZ014117 · $240

A black fabric strap for the Omega Speedmaster Pro watch, available for sale with free shipping.

Condition: like new, never worn
Width: 20/16mm

Posted at

Jan 21, 2026, 10:32 AM

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Omega Speedmaster Professional Moonwatch "Sapphire Sandwich" 310.30.42.50.01.002 Brand New Fully Stickered / Triple Boxed

Omega - 310.30.42.50.01.002 · $8,199

The Omega Speedmaster Professional Moonwatch 'Sapphire Sandwich' is a black dial chronograph with sapphire crystal front and back, featuring the iconic tachymeter bezel and trio of subdials. The exhibition caseback shows off the Master Chronometer certified caliber 3861 movement. This watch maintains the asymmetrical lug design and twisted lugs that protect the chronograph pushers.

Condition: Brand new - fully stickered
Case size: 42mm
Bracelet type: Five-link stainless steel

Posted at

Jan 20, 2026, 8:26 PM

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2023 Steel Bracelet Omega Speedmaster 38MM 324.30.38.50.06.001 Box and Papers

Omega - 324.30.38.50.06.001 · $4,200

This is a 2023 Steel Speedmaster 38MM Grey dial watch with features such as chronometer, date at 6 O'clock, and water resistance up to 100 Meters.

Condition: Excellent
Movement: Omega 3330
Power Reserve: 52 hours
Crystal: Scratch resistant Sapphire Crystal

Posted at

Jan 20, 2026, 11:21 AM

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Omega Speedmaster Automatic Chronograph Date — Ref. 3211.30.00 | Cal. 1164 COSC — $1,999 + Shipping

Omega - 3211.30.00 · $1,999

This listing appears to be for an Omega Speedmaster Automatic Chronograph Date with reference number 3211.30.00, featuring Calibre 1164 and COSC certification.

Posted at

Jan 20, 2026, 8:34 AM

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