Omega Speedmaster Speedmaster Professional Moonwatch

Reference 3870.50.31

About this watch

The Omega Speedmaster Professional Moonwatch (model 3870.50.31) is a masterpiece of watchmaking. This iconic timepiece has been to the moon and back, thanks to its association with the Apollo 11 mission in 1969. At its heart lies the Omega caliber 1861, a hand-wound movement that's both reliable and precise. With a frequency of 21,600 vibrations per hour and a power reserve of 48 hours, this watch is designed to keep you on time for your next adventure. The black dial is elegantly accented by stick and dot indexes, making it both readable and stylish. Its stainless steel case with a round shape and diameter of 42.00 mm exudes sophistication, while the tachymetric bezel adds a sporty edge. Whether you're in a boardroom or at a casual gathering, this watch makes a statement. The Speedmaster's versatility is unmatched, effortlessly transitioning from a dress watch to a casual piece. Pair it with a crisp suit or a relaxed T-shirt, and it fits right in. Its durability and accuracy have made it the perfect companion for astronauts, and its rich heritage is a testament to Omega's engineering prowess.

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MSRP: $4,400

Market Price: $4,139

Key Features

Omega caliber 1861 hand-wound movement
50-meter water resistance
42mm stainless steel case with black dial
Tachymetric bezel
Chronograph functionality with small seconds, hours, and minutes hands

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch

Reference

3870.50.31

Movement

1861

Movement Features

Small Seconds, Hours, Minutes
Chronograph

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Plexi

Water Resistance

Current Listings

Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.02.001

Omega - 324.30.38.50.02.001 · $3,500

This Omega Speedmaster 38 Co-Axial Chronograph features a silver dial and comes with various accessories, including the original bracelet and inner box.

Condition: Excellent overall condition, very minimal wear
Case material: Stainless steel
Bracelet type: Original Omega stainless steel bracelet
Additional straps: Brown leather strap

Posted at

Mar 9, 2026, 4:41 PM

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Omega Speedmaster Skywalker X-33 Titanium Chronograph 31890457901001 = Box Paper

Omega - 318.90.45.79.01.001 · $4,570

The Omega Speedmaster Skywalker X-33 is a technologically advanced timepiece designed for professional use, featuring a black dial and full titanium construction.

Condition: Pre-owned with honest signs of previous wear
Case size: 45mm diameter
Bezel condition: attractive condition
Dial condition: perfect in every way

Posted at

Mar 9, 2026, 4:30 PM

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Omega Speedmaster Professional Moonwatch Yellow Patina 1974 (Unpolished)

Omega - 145.022-74 · $5,495

The Omega Speedmaster reference 145.022-74 represents the authentic moon landing heritage in pristine, unpolished condition. This manual winding caliber 861 chronograph showcases remarkable preservation with factory-sharp case edges and original finishing intact throughout its 42mm steel case.

Condition: unpolished, unrestored
Case dimensions: 42 x 48mm
Year of production: 1974
Movement caliber: 861 chronograph

Posted at

Mar 9, 2026, 4:04 PM

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Hruodland Quartz Chronograph- Vintage Omega Speedmaster TV Dial Homage

Omega - Speedmaster · $5,000

This watch is a vintage homage to the iconic Omega Speedmaster with a TV dial design, featuring quartz chronograph functionality.

Year: vintage

Posted at

Mar 9, 2026, 12:56 PM

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[WTT] Omega Speedmaster Moonwatch. White Dial. Bracelet. Full Kit. Ref. 310.30.42.50.04.001

Omega - 310.30.42.50.04.001 · $7,500

A white dial Omega Speedmaster Professional Moonwatch on a steel bracelet, reference 310.30.42.50.04.001 is being sold with its full kit, including box, cards, and warranty.

Condition: Very good
Case size: 42mm diameter
Bracelet links included: yes
Box and cards included: yes

Posted at

Mar 9, 2026, 7:05 AM

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Omega Speedmaster Reduced 3510.50

Omega - 3510.50 · $2,800

A Omega Speedmaster Reduced 3510.50, a 39mm watch with hesalite crystal and dial lume with even cream coloring.

Condition: Pretty good condition considering the age with signs of light wear.
Case size: 39mm
Crystal material: hesalite

Posted at

Mar 9, 2026, 2:29 AM

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Omega Speedmaster Date ref. 3212.80.00 40mm | Great Condition (with Original Box & Serviced) | $2600

Omega - 3212.80.00 · $2,600

The Omega Speedmaster Date ref. 3212.80.00 features a 40mm stainless steel case, deep blue dial, and classic tri-compax layout with running seconds, 30-minute counter, and 12-hour chronograph totalizer.

Condition: Great condition
Case size: 40mm diameter
Bracelet length: 7.5-7.7 inches
Movement power reserve: 44 hours

Posted at

Mar 8, 2026, 10:58 PM

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Omega Speedmaster ’57 Gold on Leather Strap 2025 MINT FULL 331.22.42.51.01.001

Omega - 331.22.42.51.01.001 · $6,999

The Omega Speedmaster Co-Axial Chronograph is a luxurious everyday chronograph with serious pedigree, blending legendary heritage with refined execution.

Condition: Mint, minimal signs of wear
Case Size: 41.5 mm diameter
Thickness: 16.17 mm
Lug To Lug: 50 mm

Posted at

Mar 8, 2026, 10:36 PM

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Omega Speedmaster Professional 3570.50.00 (Hesalite) 1861 cal

Omega - 3570.50.00 · $3,999

Selling an Omega Speedmaster Professional 3570.50.00 (Hesalite) 1861 cal watch in good condition, with a full service at Omega AD in 2022 and original papers from the first owner.

Condition: good condition
Year of purchase: 2014
Bracelet condition: has scratches on clasp area due to typing on a laptop
Additional accessories: extra NATO strap

Posted at

Mar 8, 2026, 9:34 PM

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