Omega Speedmaster Speedmaster Professional Moonwatch Moon Flag

Reference 3574.50.00

About this watch

The Omega Speedmaster Professional Moonwatch Moon Flag is a limited-release model that stands out in the vast universe of horology. With its bold design and rich history, it's no wonder that this watch has become a coveted piece for enthusiasts and collectors alike. The black dial, with its striking tachymetric scale, is not just a feast for the eyes but also incredibly practical for measuring speed. Crafted from stainless steel, this timepiece is designed to withstand the rigors of both everyday wear and extraordinary adventures. The Omega caliber 1861 hand-wound movement is a true marvel, known for its reliability and precision. With 18 jewels and a power reserve of 48 hours, it's designed to keep you on time. The chronograph function allows you to measure elapsed time with precision, making it easy to track your timing needs. The watch strikes a balance between presence and wearability, measuring 42 mm in diameter and featuring a stainless steel bracelet that complements its aesthetic while adding to its durability. What truly elevates the Omega Speedmaster Professional Moon Flag is its place in history - as part of the Speedmaster family, it carries the legacy of being the first watch worn on the moon.
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Key Features

  • Limited edition with only one unit available
  • Omega caliber 1861 hand-wound movement with 18 jewels and 48-hour power reserve
  • Chronograph function for precise elapsed time measurement
  • Stainless steel case and bracelet
  • 42 mm diameter and 20 mm lug width
  • 50 meter water resistance
  • Plexi glass crystal
  • Tachymeter bezel

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch Moon Flag
Reference
3574.50.00
Movement
1861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
Case
Stainless Steel 42mm
Dial Color
Black
Crystal
Plexi
Water Resistance
50

Current Listings

[WTS] Omega Speedmaster 3513.50 Date

Omega Speedmaster 3513.50 Date

Omega - 3513.50 · $2,000
This Omega Speedmaster Day-Date has been kept in great condition and still functions perfectly with its chronograph feature.

  • Condition: Pre-owned, lightly worn
  • Case material: Stainless steel
  • Movement: Omega Cal. 1152 (Automatic)
  • Power reserve: 44 hours
Posted at
Feb 11, 2026, 6:10 PM
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[WTS] Omega Speedmaster BSOTM | Aventurine Dial | 304.93.44.52.03.002 | Full Set

Omega Speedmaster BSOTM | Aventurine Dial | 304.93.44.52.03.002 | Full Set

Omega - 304.93.44.52.03.002 · $11,250
2022 Omega Speedmaster Blue Side of the Moon features an aventurine dial that shines in light, with a subtle yet captivating appearance.

  • Condition: Excellent
  • Diameter: 40mm
  • Depth rating: 30m
Posted at
Feb 11, 2026, 5:47 PM
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[WTS] Omega Speedmaster Racing Chronograph Silver Dial Watch 326.30.40.50.02.001 Complete Set

Omega Speedmaster Racing Chronograph Silver Dial Watch 326.30.40.50.02.001 Complete Set

Omega - 326.30.40.50.02.001 · $5,495
The Omega Speedmaster Racing features a silver white dial with bold chronograph hands and counters, housed in a stainless steel case and bracelet.

  • Condition: Excellent
  • Case size: 40mm diameter
  • Movement: chronograph movement
Posted at
Feb 11, 2026, 2:45 PM
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[WTS] Omega Speedmaster Reduced Automatic With Peppered Dial Ref. 3510.50.00

Omega Speedmaster Reduced Automatic With Peppered Dial Ref. 3510.50.00

Omega - 3510.50.00 · $2,700
This Omega Speedmaster Reduced features a unique peppered dial that evokes the night sky and gives it a vintage vibe.

  • Condition: Used with minor wear on the bracelet
  • Diameter: 39.7mm
  • Water Resistance: not guaranteed due to age
Posted at
Feb 11, 2026, 2:05 PM
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[WTS] 2022 Omega Speedmaster Moonwatch 42mm 310.30.42.50.01.001 Black Dial - $6,050

2022 Omega Speedmaster Moonwatch 42mm 310.30.42.50.01.001 Black Dial - $6,050

A 2022 Omega Speedmaster Moonwatch Chronograph in stainless steel with a black dial, featuring a Hesalite crystal and a 5-year manufacturer warranty.

Posted at
Feb 11, 2026, 1:49 PM
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[WTS] Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina Original Step Tritium Dial (Unpolished)

Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina Original Step Tritium Dial (Unpolished)

Omega - 145.022-69 · $5,235
This Omega Speedmaster Professional Moonwatch reference 145.022-69 is a strong example of this highly regarded reference. The watch features a black tritium step dial with warm yellow patina and matching tritium hands.

  • Condition: All-original, unpolished condition with excellent overall definition and moderate stretch in the bracelet
  • Case size: 42mm
  • Year: 1969
  • Movement service date: February 2026
Posted at
Feb 11, 2026, 12:50 PM
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[WTS] 2019 Omega Speedmaster Reduced 3510.50.00

2019 Omega Speedmaster Reduced 3510.50.00

Omega - 3510.50.00
2019 Omega Speedmaster Reduced with outer box, inner box, warranty card, and manual. The watch is in very good condition and retail ready.

  • Condition: Very Good
  • Year: 2019
  • Box Status: Retail Ready
  • Case Size: 39mm
Posted at
Feb 10, 2026, 10:30 PM
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[WTS] 2024 Omega Speedmaster Professional Ref 310.30.42.50.04.001 | Complete set | Excellent condition

2024 Omega Speedmaster Professional Ref 310.30.42.50.04.001 | Complete set | Excellent condition

Omega - 310.30.42.50.04.001 · $7,689
Selling a 2024 Omega Speedmaster Professional in excellent condition, with original box and accessories, suitable for daily wear or as a collector's piece.

  • Condition: Excellent / Very Good
  • Box And Outer Packaging: Original
  • Warranty Card Booklets: Omega warranty card & booklets
  • Tags: Included
Posted at
Feb 10, 2026, 10:03 PM
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[WTS] Omega Speedmaster White Dial Co-Axial Chronograph 44.25mm – Ref. 329.30.44.51.04.001 – $5,249 Shipped

Omega Speedmaster White Dial Co-Axial Chronograph 44.25mm – Ref. 329.30.44.51.04.001 – $5,249 Shipped

Omega - 329.30.44.51.04.001 · $5,249
The Omega Speedmaster Chronograph Co-Axial Master Chronometer features a 44.25mm stainless steel case, white dial, ceramic tachymeter bezel, and sapphire crystal with exhibition caseback. Powered by Omega's in-house Co-Axial Master Chronometer Caliber 9900.

  • Condition: Light surface wear, hairlines consistent with normal use; no deep dents or structural damage visible.
  • Case size: 44.25mm
  • Crystal type: Sapphire crystal with exhibition caseback
  • Movement: Omega's in-house Co-Axial Master Chronometer Caliber 9900, METAS certified
Posted at
Feb 10, 2026, 9:31 PM
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