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 Reduced - 39mm Two Tone - Ref 175.0033

Omega - 175.0033 · $2,895

A beautiful Omega Speedmaster Reduced with a white dial, this watch is running well with all functions working as they should.

Condition: great vintage condition
Case size: 39mm
Bezel and case wear: light hairlines
Strap type: high quality leather AM strap from Casanova

Posted at

Dec 29, 2025, 5:06 PM

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OMEGA SPEEDMASTER 1957 Trilogy 311.10.39.30.01.001 Full Set

OMEGA - 311.10.39.30.01.001 · $5,900

A 2017 Omega Speedmaster 1957 Trilogy issued in near-mint condition, comes with three bands.

Condition: Near-mint
Year: 2017
Bands: 3
Material: leather,NATO,stainless steel

Posted at

Dec 29, 2025, 2:58 PM

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Omega Speedmaster Moonphase Blue Dial 44.25mm Full Set

Omega - 44.25 mm Speedmaster Moonphase · $7,494

This Omega Speedmaster features a blue dial and the moonphase complication at 6 o'clock, powered by Omega's Co-Axial Master Chronometer movement.

Condition: very good condition
Movement: Co-Axial Master Chronometer
Case Size: 44.25mm

Posted at

Dec 29, 2025, 1:36 PM

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Omega Speedmaster “First Omega In Space” Numbered Edition - Near Mint Condition

Omega - 311.32.40.30.01.001 · $4,450

This Omega Speedmaster Anniversary Series is a discontinued 'First Omega in Space' Numbered Edition, inspired by the watch worn by astronaut Wally Shirra during the 'Sigma 7' mission in 1962.

Condition: Near mint (9.5/10)
Case diameter: 39.7mm
Thickness: 14mm
Crystal type: scratch-resistant sapphire crystal with AR coating

Posted at

Dec 29, 2025, 12:20 PM

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Omega Speedmaster 3523.80.00 - $1800

A used Omega Speedmaster 3523.80.00 in very good condition, kept time well but requires service.

Posted at

Dec 29, 2025, 12:15 PM

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Omega Speedmaster Date 40mm 323.30.40.40.06.001 $2200

Omega - 323.30.40.40.06.001 · $2,200

Selling my Omega Speedmaster 40mm, a watch only with bracelet fitting 18.5cm.

Condition: Good
Case size: 40mm diameter
Bracelet length: 18.5cm

Posted at

Dec 29, 2025, 10:36 AM

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[US] Omega Speedmaster Broad Arrow - White Dial - 42mm - 3551.20.00 - Full Set

Omega - 3551.20.00 · $4,175

Up for sale is an Omega Speedmaster Broad Arrow - White Dial - 42mm - Full Set, which functions perfectly mechanically.

Condition: Fantastic condition with minor hairlines
Case Size: 42mm
Box And Papers: true

Posted at

Dec 29, 2025, 7:27 AM

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Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🟤

Omega - 145.022-69 · $15,150

This rare Omega Speedmaster Moonwatch features a period-correct super tropical brown dial, a deep blue bezel, and a professionally serviced movement. The watch has aged attractively and presents even better in person than in photos.

Condition: Beautiful condition with thick, sharp lugs and heavy patina on the dial
Size: 42mm
Year: 1969
Material: Tropical dial with heavy yellow patina and tritium that glows green under UV light

Posted at

Dec 29, 2025, 1:40 AM

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[USA] Omega Speedmaster Professional 'Sapphire Sandwich' (310.30.42.50.01.002) – 2025 Like-New Complete Set 🚨$6,795🚨

Omega - 310.30.42.50.01.002 · $6,795

A timeless icon, the Omega Speedmaster Professional 'Sapphire Sandwich', powered by Calibre 3861, is offered as a complete set with box, warranty cards, serial tag, and art manual. Originally dated August 2025, it remains covered under Omega's 5-year factory warranty.

Condition: Mint, like-new
Movement: Calibre 3861
Year: 2025
Warranty: 5-year factory warranty through August 2030

Posted at

Dec 28, 2025, 10:27 PM

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