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] 2026 NEW Omega Speedmaster Reverse Panda 310.30.42.50.01.004 Unworn

2026 NEW Omega Speedmaster Reverse Panda 310.30.42.50.01.004 Unworn

This new Omega Speedmaster Reverse Panda is an unworn modern Speedmaster that comes with the full set, including a stainless steel bracelet and sapphire crystal.

  • Condition: Like New
  • Material: Stainless Steel
  • Bracelet material: Stainless Steel
  • Size: 42mm diameter
Posted at
May 6, 2026, 4:07 PM
Active
[WTS] 2025 Omega Speedmaster Professional "Sapphire Sandwich" 310.30.42.50.01.002

2025 Omega Speedmaster Professional "Sapphire Sandwich" 310.30.42.50.01.002

A lightly worn Omega Speedmaster Professional with a Calibre 3861 movement, sapphire crystals, and an aluminum tachymeter bezel.

  • Condition: lightly worn; excellent shape
  • Movement: Calibre 3861
  • Caseback: factory sealed, no modifications made
  • Bracelet: OEM steel bracelet, fully linked and comfortable to wear
Posted at
May 6, 2026, 2:46 PM
Active
[WTS] Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )

Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )

This is an Omega Speedmaster Moonwatch Professional Sapphire with a 42mm stainless steel case and 3861 Omega Master Chronometer Movement.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement: 3861 Omega Master Chronometer Movement
Posted at
May 6, 2026, 12:55 PM
Active
[WTS] Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )

Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )

This Omega Speedmaster Moonwatch Professional is a brand new watch with all original packaging and papers, featuring a stainless steel case and 3861 Omega Master Chronometer Movement.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement type: Master Chronometer
Posted at
May 6, 2026, 12:46 PM
Active
[WTS] Omega Speedmaster Milano Cortina 2026 (Full Set, Like New)

Omega Speedmaster Milano Cortina 2026 (Full Set, Like New)

The Omega Speedmaster Milano Cortina 2026 features a varnished white dial with a frosted blue pattern, a stamped Olympic medallion caseback and is part of the full set with boxes, warranty card and other accessories.

  • Condition: Like New
  • Case size: 38mm diameter
  • Thickness: 14.75mm
  • Lug to lug length: 44.96mm
Posted at
May 5, 2026, 10:07 PM
Active
[WTS] - 1985 Omega Speedmaster Pro 3590.50 with Hang Tag - $5,800

- 1985 Omega Speedmaster Pro 3590.50 with Hang Tag - $5,800

Omega - 3590.50 · $5,800
This 1985 Omega Speedmaster Professional features a 42mm stainless steel case with a matte black tritium dial and black aluminum bezel insert. The watch has developed a beautiful patina over time, and the lume has aged to a cappuccino-like hue.

  • Condition: Excellent, unpolished condition with light wear for its age
  • Case size: 42mm
  • Bracelet length: Up to 19.5 cm / 7.67"
  • Crystal material: Hesalite
Posted at
May 5, 2026, 9:28 PM
Active
[WTS] Omega Speedmaster 3590.50 Serviced with Extra Omega Straps

Omega Speedmaster 3590.50 Serviced with Extra Omega Straps

Omega - 3590.50 · $5,350
The Omega Speedmaster 3590.50 is a vintage classic featuring the historic caliber 861, with an original tritium dial and hands.

  • Condition: Good
  • Year: 1994/95
  • Case width: 42mm
  • Movement: 861
Posted at
May 5, 2026, 9:26 PM
Active
[WTS] Omega / Speedmaster date / Silver Dial / 40mm / Full Set

Omega / Speedmaster date / Silver Dial / 40mm / Full Set

This Omega Speedmaster date features a silver dial and a 40mm case, making it suitable for smaller wrists.

  • Condition: Excellent
  • Diameter: 40mm
  • Includes: Double boxed, all three cards filled out, card holder, manual booklet
Posted at
May 5, 2026, 3:00 PM
Active
[WTS] Omega Speedmaster Racing Blue 326.30.40.50.03.001 w Pictograms

Omega Speedmaster Racing Blue 326.30.40.50.03.001 w Pictograms

This Omega Speedmaster Racing watch features a clean crystal and bezel insert, along with a healthy movement.

  • Condition: Preowned, with minor scratches/dings
Posted at
May 5, 2026, 1:00 PM
Active