Omega Speedmaster Speedmaster Professional Moonwatch

Reference 3590.50.00

About this watch

The Omega Speedmaster Professional Moonwatch is a masterpiece of horological excellence. Its sleek black dial and stainless steel case exude timeless elegance. The iconic design features stick indexes and stick hands, providing a classic look that's both functional and stylish. The tachymeter bezel serves a practical purpose, allowing wearers to measure speed over a known distance. With its 48-hour power reserve and water resistance of up to 50 meters, this watch is designed for daily wear and casual outings. Its storied past, dating back to 1968, makes it a symbol of adventure, precision, and history. The Omega caliber 861 movement has stood the test of time, combining rich history with modern precision. This is not just a watch; it's an investment in fine craftsmanship and a piece of history that has been to the moon.

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Key Features

Omega caliber 861 hand-wound movement
48-hour power reserve
Tachymeter bezel for measuring speed
Water resistance up to 50 meters
42mm diameter stainless steel case
20mm lug width for strap customization
Closed back with plexi glass crystal

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch

Reference

3590.50.00

Movement

861

Movement Features

Small Seconds, Hours, Minutes
Chronograph

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Plexi

Water Resistance

Current Listings

2025 Omega Speedmaster Professional Sapphire

Omega - Speedmaster Professional Sapphire · $6,875

This Omega Speedmaster Professional Sapphire is being sold with a full kit and has been pressure tested at the Omega AD in April. It comes with a luna replica NASA velcro strap for reference.

Purchase History: purchased from this subreddit
Inclusions: full kit, luna replica NASA velcro strap
Wrist Size Reference: 6.5"

Posted at

Apr 24, 2026, 9:48 AM

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Omega Speedmaster Reduced 3510.50 Bracelet Set - 22 Links, Full size, 94/100 Condition, OEM 1469/811

Omega - 3510.50 · $599

This is an original Omega Speedmaster Reduced bracelet set in excellent condition, featuring a stainless steel finish and a folding clasp with tight action.

Condition: 94/100 - excellent vintage condition
Bracelet reference: 1469
Endlinks reference: 811 (pair included)
Total links: 22 (full complete set)

Posted at

Apr 24, 2026, 9:10 AM

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[US] Omega Speedmaster Calibre 321 - Ed White - Black Dial - 39.7mm - 311.30.40.30.01.001 - Full Set

Omega - 311.30.40.30.01.001 · $15,650

A Omega Speedmaster Calibre 321 in black dial, with a 39.7mm case size and reference number 311.30.40.30.01.001.

Condition: pristine with minor hairlines on clasp, case, and bracelet
Diameter: 39.7mm

Posted at

Apr 24, 2026, 8:35 AM

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[US] Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

Omega - 310.30.42.50.04.001 · $7,975

Up for sale is an Omega Speedmaster Moonwatch Professional - White Dial, in fantastic condition and functions perfectly.

Condition: pristine with minor hairlines on clasp, case, and bracelet
Case size: 42mm diameter

Posted at

Apr 24, 2026, 8:29 AM

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Omega Speedmaster 50th Anniversary – No. 927/1957 – Limited Edition – Full Set

Omega - 50th Anniversary Limited Edition · $10,549

A numbered Omega Speedmaster 50th Anniversary Limited Edition, No. 927 of 1,957 pieces, a highly collectible tribute to the original 1957 Speedmaster.

Condition: Very good overall condition with honest wear
Case size: 42mm diameter
Dial material: black enamel
Movement type: Omega manual-wind chronograph

Posted at

Apr 23, 2026, 11:59 PM

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Omega Speedmaster Date ref. 3211.30.00 40mm | Great Condition (with Box & Serviced) | $2300

Omega - 3211.30.00 · $2,300

The Omega Speedmaster Date ref. 3211.30.00 is a modern Speedmaster that delivers a lot of watch for the money, with a clean all-silver dial configuration and polished hands creating a refined and versatile look.

Condition: great condition
Case size: 40mm diameter
Lug to lug length: 50mm
Thickness: 15mm

Posted at

Apr 23, 2026, 9:27 PM

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Omega Speedmaster Racing 326.30.40.50.01.001 – Full Set

Omega - 326.30.40.50.01.001 · $3,100

Omega Speedmaster Racing, one of the seller's favorite watches, barely worn and in excellent condition.

Condition: ~95% - minor scratches on clasp
Scratch Location: clasp

Posted at

Apr 23, 2026, 8:41 PM

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Omega Speedmaster Professional Moonwatch – Ref. 310.30.42.50.01.001 – Excellent Condition – 2022

Omega - 310.30.42.50.01.001 · $5,499

This Omega Speedmaster Professional Moonwatch features the iconic Hesalite crystal and manual-wind Master Chronometer movement 3861, staying true to its heritage while adding updated movement technology and finishing.

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

Posted at

Apr 23, 2026, 6:43 PM

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