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] Omega Speedmaster Moonphase BOX AND PAPERS 304.33.44.52.03.001

Omega Speedmaster Moonphase BOX AND PAPERS 304.33.44.52.03.001

For sale is an Omega Speedmaster Moonphase in excellent condition, with only minimal wear on the straps.

  • Condition: Excellent
  • Case size: 40mm
  • Strap type: black leather omega strap
Posted at
Jan 3, 2026, 4:41 PM
Active
[WTS] Omega Speedmaster 3510.50 Reduced X2

Omega Speedmaster 3510.50 Reduced X2

Omega - 3510.50 · $2,550
Two Omega Speedmaster Reduced watches in excellent condition for sale.

  • Condition: Excellent
  • Case Size: 40mm diameter
  • Payment Methods: Cash, crypto, most credit cards
Posted at
Jan 3, 2026, 3:45 PM
Active
[WTS] Omega Speedmaster Professional 3861 Hesalite “Sandwich” – Full AD Kit – 6/24 (spiralwinder caseback) Extras!

Omega Speedmaster Professional 3861 Hesalite “Sandwich” – Full AD Kit – 6/24 (spiralwinder caseback) Extras!

Omega - 3861 · $5,995
This Omega Speedmaster Professional Moonwatch is a Hesalite 'sandwich' model with a sapphire display caseback and an original Hesalite caseback included. It features a Cal. 3861 Master Chronometer movement and comes with a full Authorized Dealer kit.

  • Condition: Daily worn, normal wear/use consistent with daily rotation, never polished
  • Movement: Cal. 3861 (Master Chronometer)
  • Bracelet type: Current bracelet with tool-less sliding clasp adjustment
  • Crystal material: Hesalite, Sapphire
Posted at
Jan 3, 2026, 10:52 AM
Active
[WTS] Omega Speedmaster « Broad Arrow » 3594.50

Omega Speedmaster « Broad Arrow » 3594.50

Omega - 3594.50 · $3,600
This Omega Speedmaster Broad Arrow is a highly collectible and historically inspired watch with iconic Broad Arrow hands. It has recently been serviced by a professional watchmaker in France and comes with a 1-year service warranty.

  • Condition: Excellent overall condition
  • Service: Recently serviced by a professional watchmaker in France
  • Warranty: 1-year service warranty from the professional who performed the revision
  • Bracelet: Original Omega bracelet included
Posted at
Jan 3, 2026, 10:20 AM
Active
[WTS] OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET!

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

OMEGA - 311.92.44.30.01.001 · $10,000
The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 commemorates the 50th anniversary of the Apollo 8 mission, crafted from a single block of black ceramic with a sleek modern aesthetic and a technical artistic tribute to space exploration.

  • Condition: [UNWORN]
  • Case material: black ceramic
  • Diameter: 44.25mm
  • Movement: Calibre 1869
Posted at
Jan 3, 2026, 6:21 AM
Active
[WTS] OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET!

OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET!

OMEGA - 311.30.40.30.01.001 · $18,000
This OMEGA Speedmaster Calibre 321 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
  • Material: stainless steel
  • Movement: Calibre 321 column-wheel chronograph
  • Caseback: sapphire
Posted at
Jan 3, 2026, 3:15 AM
Active
[WTS] Omega Speedmaster Professional White Dial Full Set

Omega Speedmaster Professional White Dial Full Set

A Omega Speedmaster Professional with a white dial, sold on a flat link bracelet inspired by the original 1957 model.

  • Bracelet style: flat link bracelet
  • Bracelet origin: Omega Boutique at South Coast Plaza in Costa Mesa, CA
  • Clasp condition: some snail trails
Posted at
Jan 2, 2026, 2:12 PM
Active
[WTS] Omega Speedmaster Moonphase Blue - 304.33.44.52.03.001 - Box + Papers

Omega Speedmaster Moonphase Blue - 304.33.44.52.03.001 - Box + Papers

Gorgeous Omega Speedmaster Moonphase Blue, comes with box and papers and extra strap.

  • Condition: great shape with minor signs of wear
  • Case Wear: minor
  • Includes: box,papers,extra strap
Posted at
Jan 2, 2026, 1:40 PM
Active
[WTS] Omega Speedmaster 3520.53 Box, Manual, Card - $2,850

Omega Speedmaster 3520.53 Box, Manual, Card - $2,850

Omega - 3520.53 · $2,850
Up for sale is my Omega Speedmaster 3520.53 Full Kit, measuring 39mm with an automatic movement and a steel case on an original Omega Steel bracelet.

  • Condition: good condition with usage marks and some patina
  • Size: 39mm diameter
  • Case material: steel
  • Bracelet size range: fits up to 7 inch wrists with extra links available
Posted at
Jan 1, 2026, 8:33 PM
Active