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
50

Current Listings

[WTS] 1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

Omega - 3590.50 · $4,099
A 1991 Omega Speedmaster Moonwatch with a caliber 861 movement and tritium dial and hands, in excellent condition and appearing unpolished.

  • Condition: Excellent, unpolished
  • Movement: Caliber 861
  • Serial number: 482774XX
  • Bracelet size range: fits wrists over 7.5"
Posted at
Dec 19, 2025, 5:59 PM
Active
[WTS] 1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

Omega - 3590.50.00 · $4,099
A 1991 Omega Speedmaster Moonwatch in excellent condition, with a tritium dial and original hands. The watch is powered by caliber 861 movement.

  • Condition: Excellent vintage condition
  • Movement: Caliber 861
  • Serial number: 482774XX
  • Bracelet size: 1479/812, fits 6.8" wrist, expands to fit 7.5" or larger
Posted at
Dec 8, 2025, 5:34 PM
Active
1995 Omega Speedmaster Professional Ref. 3590.50 with Box & Papers

1995 Omega Speedmaster Professional Ref. 3590.50 with Box & Papers

Omega - 3590.50 · $4,500
A sought-after 1995 Omega Speedmaster Professional Ref. 3590.50 with a unique vintage charm, powered by the reliable Caliber 861 and paired with a comfortable bracelet.

  • Condition: Excellent (little to no signs of wear)
  • Case width: 42mm
  • Movement: Manual Cal. 861
  • Year: 1995
Posted at
Jan 31, 2025, 1:29 PM
Active
1992 Omega Speedmaster Ref: 3590.50 with Patina

1992 Omega Speedmaster Ref: 3590.50 with Patina

Omega - 3590.50 · $4,350
This 1992 Omega Speedmaster features a 42mm case, black bezel, tritium dial, and 1479 Omega bracelet.

  • Condition: Excellent with some light wear and patina
  • Serial Number: 48,28X,XXX
  • Bracelet Length: 19 links
Posted at
Jan 30, 2025, 7:18 PM
Active
1993 Omega Speedmaster Ref: 3590.50�Sharp Case

1993 Omega Speedmaster Ref: 3590.50�Sharp Case

Omega - 3590.50 · $4,150
A 1993 Omega Speedmaster Ref: 3590.50 with a sharp case, excellent bezel and insert, tritium dial with aged patina, and an excellent 1479 Omega bracelet.

  • Condition: Excellent with light wear from use
  • Case size: 42mm
  • Serial number: 48,29X,XXX
Posted at
Jan 30, 2025, 7:17 PM
Active
1993 Omega Speedmaster Ref: 3590.50�Sharp Case

1993 Omega Speedmaster Ref: 3590.50�Sharp Case

Omega - 3590.50 · $4,150
This is a 1993 Omega Speedmaster with a sharp case and excellent condition black bezel, tritium dial, and 1479 Omega bracelet.

  • Condition: Excellent
  • Case size: 42mm
  • Bezel condition: black bezel in excellent condition
  • Serial number: 48,29X,XXX
Posted at
Jan 22, 2025, 8:12 PM
Active
1992 Omega Speedmaster Ref: 3590.50 with Patina

1992 Omega Speedmaster Ref: 3590.50 with Patina

Omega - 3590.50 · $4,350
A 1992 Omega Speedmaster Ref: 3590.50 in excellent condition, featuring a 42mm case, black bezel, tritium dial with creamy yellow patina, and an Omega bracelet.

  • Condition: Excellent with patina
  • Case size: 42mm
  • Serial number: 48,28X,XXX
  • Bracelet links: 19 + 812 end links
Posted at
Jan 22, 2025, 8:11 PM
Active
[WTS] Omega Speedmaster Broad Arrow 321.10.42.50.01.001 2019

Omega Speedmaster Broad Arrow 321.10.42.50.01.001 2019

This Omega Speedmaster Broad Arrow is a 2019 model with a crisp case and running perfectly, featuring a massive bracelet.

  • Condition: Incredible-condition
  • Dimensions: 42mm diameter
  • Year: 2019
Posted at
Dec 19, 2025, 12:15 PM
Active
[WTS] Omega Speedmaster. Broadarrow. Clean. 🔥

Omega Speedmaster. Broadarrow. Clean. 🔥

Omega - Speedmaster · $3,550
The Omega Speedmaster is a classic watch with a broadarrow design, featuring strong lume.

  • Condition: Very clean and strong lume
  • Location: NJ USA
Posted at
Dec 19, 2025, 11:00 AM
Active