Omega Speedmaster Speedmaster Professional Moonwatch

Reference 3590.50.00

Omega Speedmaster Professional Moonwatch

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
This Omega Speedmaster Moonwatch is a 1991 model with caliber 861 movement and tritium dial and hands. The watch comes with an extract from the Omega archives matching its serial number and a vintage poster.

  • Condition: Excellent vintage condition, unpolished
  • Movement: Caliber 861
  • Serial number: 482774XX
  • Bracelet size: 6.8"
Posted at
Dec 28, 2025, 6:37 PM
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[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
View listing on r/WatchExchange
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
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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
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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
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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
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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
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[WTS] Omega Speedmaster 3590.50

Omega Speedmaster 3590.50

Omega - Speedmaster 3590.50
A summary of the watch in the listing is not provided.

Posted at
Dec 22, 2025, 4:21 PM
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[WTS] [USA] Omega Speedmaster Professional 'Sapphire Sandwich' (310.30.42.50.01.002) – 2025 Like-New Complete Set 🚨$6,795🚨

[USA] Omega Speedmaster Professional 'Sapphire Sandwich' (310.30.42.50.01.002) – 2025 Like-New Complete Set 🚨$6,795🚨

Omega - 310.30.42.50.01.002 · $6,795
A timeless icon, the Omega Speedmaster Professional 'Sapphire Sandwich', powered by Calibre 3861, is offered as a complete set with box, warranty cards, serial tag, and art manual. Originally dated August 2025, it remains covered under Omega's 5-year factory warranty.

  • Condition: Mint, like-new
  • Movement: Calibre 3861
  • Year: 2025
  • Warranty: 5-year factory warranty through August 2030
Posted at
Dec 28, 2025, 10:27 PM
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