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 Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥

Omega - 145.022-69 · $5,250

This Omega Speedmaster Moonwatch presents beautifully in full steel, showcasing a strong and sharp case with thick lugs that retain their original shape. The tritium lume remains reactive under UV light, confirming its authenticity.

Case size: 42mm
Year: 1969
Bezel condition: ghost tone

Posted at

Feb 27, 2026, 12:41 PM

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Omega reverse panda Speedmaster Full Set $10,300 including CONUS shipping 310.30.42.50.01.004

Omega - 310.30.42.50.01.004 · $10,300

For sale is the new Speedmaster reverse panda, which comes with full links, all boxes, and warranty card.

Condition: excellent
Water Resistance: 50m depth rating

Posted at

Feb 27, 2026, 12:08 PM

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2021 Omega 42mm 310.30.42.50.01.001 Speedmaster Moonwatch - $5,900

Omega - 310.30.42.50.01.001 · $5,900

The watch is described as a 2021 Omega Speedmaster Moonwatch Chronograph with a stainless steel black dial and Hesalite crystal.

Condition: Excellent overall condition
Box And Papers: Yes
Warranty Period: 5 years
Bracelet Size: 8.25inch wrist (Full Links)

Posted at

Feb 27, 2026, 11:58 AM

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Omega Speedmaster Silver Snoopy 310.32.42.50.02.001 Strap Bracelet 2025 LNIB

Omega - 310.32.42.50.02.001 · $14,900

For sale is a like new Omega Speedmaster Silver Snoopy, complete with unworn blue rubber strap, all 3 cards, and original Omega bracelet.

Condition: Like New in Box (LNIB)
Strap: blue rubber strap
Bracelet: original Omega bracelet
Warranty Card Date: 2/2025

Posted at

Feb 27, 2026, 11:45 AM

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Omega Speedmaster. Moonphase. Gorgeous Dial. Clean.

Omega · $4,895

A crisp and clean Omega Speedmaster with a gorgeous blue dial and moonphase functionality. The watch runs strong and has good legibility.

Condition: Clean
Diameter: 42mm

Posted at

Feb 27, 2026, 11:25 AM

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Omega Speedmaster Split‑Seconds Chronograph 35405000 dial – Box / Papers

Omega - 35405000

Dial condition: split-second chronograph dial

Posted at

Feb 27, 2026, 11:14 AM

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Omega Speedmaster Pro 2024 | Excellent Condition (Full Set Box, Papers, Cards, etc) | $7500

Omega - 310.30.42.50.01.002 · $7,500

This is an Omega Speedmaster Moonwatch Pro from 2024, available in excellent condition with a complete set of accessories and still under factory warranty.

Condition: Excellent Condition (Full Set)
Glass type: Sapphire Glass
Caseback: Open Caseback

Posted at

Feb 26, 2026, 10:46 PM

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OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 🔥$10,000🔥

OMEGA - 311.92.44.30.01.001 · $10,000

The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 is a 44.25mm masterpiece crafted from black ceramic, commemorating the 50th anniversary of the Apollo 8 mission.

Condition: [UNWORN]
Material: black ceramic
Case diameter: 44.25mm
Movement: Calibre 1869

Posted at

Feb 26, 2026, 9:21 PM

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OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET! 🔥$16,000🔥

OMEGA - 311.30.40.30.01.001 · $16,000

The OMEGA Speedmaster Calibre 321 'Ed White' Ref. 311.30.40.30.01.001 is a faithful recreation of the reference 105.003, famously worn by astronaut Ed White during America's first spacewalk.

Condition: UNWORN
Movement: Calibre 321
Case material: stainless steel
Diameter: 39.7mm

Posted at

Feb 26, 2026, 9:09 PM

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