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 Professional 3861 Sapphire (2022) – Full Set – Original Clasp + Micro-adjust Clasp – $6495 + shipping obo

Omega - 3861 Sapphire · $6,495

The Omega Speedmaster Professional Moonwatch 3861 Sapphire is a latest generation watch featuring a Co-Axial Master Chronometer movement and sapphire crystal front and back. It has very light wear from normal use, with a clean crystal and great bracelet shape.

Condition: Excellent overall condition with very light wear from normal use
Box Count: full set
Clasp Type: Original clasp + micro-adjust clasp

Posted at

May 16, 2026, 5:58 PM

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🔥Omega Speedmaster Moonwatch 310.30.42.50.01.001 Hesalite- FULL KIT🔥

Omega - 310.30.42.50.01.001 · $5,499

The Omega Speedmaster Professional Moonwatch is a modern iteration of the legendary Moonwatch, featuring updated movement technology and finishing.

Condition: Excellent, minimal hairline scratches
Case Size: 42mm diameter
Movement: Manual-wind Co-Axial Master Chronometer (Cal. 3861)
Crystal: Hesalite crystal

Posted at

May 16, 2026, 4:13 PM

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Omega Speedmaster Professional Sapphire - 310.30.42.50.01.002 - Full Kit - Fresh Service

Omega - 310.30.42.50.01.002 · $6,695

This is a lightly pre-owned Omega Speedmaster Professional in excellent condition, featuring a sapphire crystal front and display caseback.

Condition: near like-new
Size: 42mm diameter
Crystal material: sapphire
Movement visibility: display caseback

Posted at

May 16, 2026, 2:52 PM

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Omega Speedmaster Professional Moonwatch Hesalite Full Set

Omega - 3861 · $5,850

2023 Omega Speedmaster Professional Moonwatch featuring the updated tapered bracelet and Master Chronometer movement, available in excellent condition.

Condition: 9.5/10
Crystal type: Hesalite
Bracelet style: tapered
Movement certification: Master Chronometer

Posted at

May 16, 2026, 1:55 PM

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Omega Speedmaster Broadarrow. Strong Lume.

Omega - Speedmaster Broadarrow · $3,450

This Omega Speedmaster is a Broadarrow model with strong lume, available for sale.

Condition: Runs well
Shipping location: NJ USA
Shipping options: Fedex with insurance
Shipping globally: yes

Posted at

May 16, 2026, 1:46 PM

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Omega Speedmaster Professional Moonwatch Pumpkin Patina 1968

Omega - 145.012-68 · $10,570

This exceptional Omega Speedmaster Professional reference 145.012-68 presents a remarkable example of horological heritage in superb original condition.

Condition: Superb original condition
Case size: 42 x 47mm
Year: 1968
Bracelet size: accommodates wrists up to 7.75 inches

Posted at

May 16, 2026, 12:15 PM

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Omega Integrated Speedmaster Moonwatch Rubber Strap / Omega Clasp - (Backordered Combo Omega) $600 shipped

Omega - 032Z017245 · $600

A black rubber strap and stainless steel deployant clasp designed for the Omega Speedmaster Professional, available only through Omega.

Condition: Excellent Condition
Lug size: 20mm
Case color: Red

Posted at

May 15, 2026, 6:58 PM

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Omega Speedmaster Panda Chronograph 40mm 323.30.40.40.04.001

Omega - 323.30.40.40.04.001 · $3,499

A Omega Speedmaster Date Day Panda Chronograph with a 40mm case, 7.5-inch bracelet, and accompanying warranty card.

Case size: 40mm

Posted at

May 15, 2026, 5:40 PM

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2023 OMEGA Speedmaster Professional Moonwatch Sapphire 310.30.42.50.01.002 Full Set with Micro-Adjust Clasp

Omega - 310.30.42.50.01.002 · $6,500

The Omega Speedmaster Professional Moonwatch features a black dial, sapphire crystal, and exhibition caseback showcasing the Omega Caliber 3861 movement, delivering precision, anti-magnetic performance, and a reliable 50-hour power reserve. It's fitted with a stainless steel bracelet featuring a micro-adjustable clasp.

Condition: Excellent pre-owned condition
Case size: 42mm diameter
Dial color: Black
Crystal material: Sapphire

Posted at

May 15, 2026, 4:54 PM

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