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

Omega Speedmaster Professional Sapphire Sandwich 2025 $6680

Omega - Speedmaster Professional Sapphire Sandwich 2025 · $6,680

a rare Omega Speedmaster Professional with a sapphire sandwich case and a 2025 model number.

Year of production: 2025

Posted at

Jan 18, 2026, 12:34 PM

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Omega Speedmaster 39mm olympic 3516.20

Omega - 3516.20 · $2,100

This is a beautiful Omega Speedmaster limited Olympic edition, with minimal signs of wear and coming with an Omega red travel case.

Condition: very good condition with minimal sign of wear
Case size: 39mm
Movement accuracy: -+4/day
Included accessories: omega red travel case

Posted at

Jan 17, 2026, 7:29 PM

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Omega Speedmaster 3861 Bracelet

Omega - 3861 · $750

This Omega Speedmaster is a brand new model with additional features such as tool free microadjust and it has not been worn.

Condition: New, never worn
Links included: true
Clasp condition: plastic still on
Adjustment method: tool free microadjust

Posted at

Jan 17, 2026, 4:39 PM

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[WTS] Omega Speedmaster Professional Sapphire Sandwich – Cal. 1863 – New OEM Omega 3861 Bracelet With Quick Adjust Clasp – Spiralwinder Dot Over 90 Ceramic Bezel

Omega Speedmaster Professional Sapphire Sandwich – Cal. 1863 – New OEM Omega 3861 Bracelet With Quick Adjust Clasp – Spiralwinder Dot Over 90 Ceramic Bezel

Omega - Speedmaster Professional Sapphire Sandwich · $5,600

This Omega Speedmaster Professional Sapphire Sandwich is powered by the highly regarded caliber 1863 and features a Spiralwinder Ceramic DON tachymètre bezel. The watch has been upgraded with a new OEM 3861 bracelet installed at the Omega Boutique.

Condition: Excellent
Movement: Cal. 1863
Crystal: Sapphire front & back
Bezel: Spiralwinder Ceramic DON (Dot Over Ninety) tachymètre bezel

Posted at

Jan 17, 2026, 11:51 AM

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OMEGA Speedmaster 🌘🌑“Dark Side of the Moon”Co-Axial Master Chronometer Chronograph|Ref. 310.92.44.51.01.001| 2025 | Full Set in Like New Condition

OMEGA - 310.92.44.51.01.001 · $11,750

The OMEGA Speedmaster 'Dark Side of the Moon' is a modern icon that blends OMEGA's space-faring heritage with advanced materials, crafted entirely in black ceramic for exceptional scratch resistance and lightweight wearability.

Condition: Excellent
Case size: 44.25 mm
Set: Full set (box, papers, 5 year warranty)
Movement: Co-Axial Master Chronometer Calibre 9908

Posted at

Jan 17, 2026, 11:13 AM

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Omega Speedmaster. 39mm. Special Dial.

Omega - Speedmaster · $2,450

A 39mm Omega Speedmaster with a special texture dial is being sold. The watch is located in NJ USA and comes with the option for a Facetime viewing.

Case diameter: 39mm
Movement type: automatic

Posted at

Jan 17, 2026, 10:20 AM

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Omega Speedmaster. 39mm. White Ceramic. Very nice.

Omega - Speedmaster · $3,100

This Omega Speedmaster is a 39mm watch with white ceramic and strong lume. It's a great timepiece that comes with additional photos available upon request.

Case size: 39mm
Material: white ceramic
Lume strength: strong

Posted at

Jan 17, 2026, 10:17 AM

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Omega Speedmaster FOIS – Full Set – $4,300 Shipped OBO

Omega - Speedmaster FOIS · $4,300

The Omega Speedmaster FOIS is a widely regarded, wearable watch that captures classic early Speedmaster proportions with its 39.7mm straight-lug case.

Condition: Very good overall
Case size: 39.7mm diameter
Movement type: Manual winding
Crystal material: Hesalite

Posted at

Jan 16, 2026, 11:54 PM

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