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 Moonwatch White Dial 310.30.42.50.04.001 - $7150

Omega Speedmaster Moonwatch White Dial 310.30.42.50.04.001 - $7150

For sale is an Omega Speedmaster Moonwatch White Dial in excellent condition, complete with all original packaging and accessories.

  • Condition: Overall mint condition with minor marks
  • Case size: 42mm diameter
  • Box and papers: full set
Posted at
Apr 5, 2026, 4:52 PM
Active
[WTS] Omega Speedmaster Mark 40 3520.50 Watch only

Omega Speedmaster Mark 40 3520.50 Watch only

Omega - 3520.50 · $2,450
A pre-owned Omega Speedmaster Mark 40 Ref 3520.50 in excellent condition with great case and bracelet shape.

  • Condition: -Watch was serviced a year ago (no paperwork for service but it runs GREAT). The case/bracelet are in great shape for a watch this age.
  • Case size: 39mm
Posted at
Apr 5, 2026, 4:22 PM
Active
[WTS] Omega Speedmaster Moonphase 3575.20 box and papers

Omega Speedmaster Moonphase 3575.20 box and papers

Omega - 3575.20 · $4,950
A white dial Omega Speedmaster Moonphase with a triple calendar and automatic movement, part of the iconic Speedmaster collection.

  • Condition: Very good
  • Movement type: automatic
Posted at
Apr 5, 2026, 12:41 PM
Active
[WTS] Omega Speedmaster Sapphire Sandwich - Jan 2026 Full kit, Like new!

Omega Speedmaster Sapphire Sandwich - Jan 2026 Full kit, Like new!

The Omega Speedmaster Sapphire Sandwich is being sold in its full box set with a Boutique warranty card dated Jan 2026.

  • Condition: Near mint condition
  • Year: 2026
  • Case Condition: small handling mark on the clasp
Posted at
Apr 5, 2026, 11:47 AM
Active
[WTS] Rare German Market Omega Speedmaster Teutonic Ghost Gray Dial Bead-Blasted Ref 145.0044 Just $2895 Shipped

Rare German Market Omega Speedmaster Teutonic Ghost Gray Dial Bead-Blasted Ref 145.0044 Just $2895 Shipped

Omega - 145.0044 · $2,895
This Omega Speedmaster Teutonic ref 145.0040 is a rare German market model featuring a bead-blasted case and integrated bracelet. It has a gray dial, original tritium lume, and a manual wound Omega cal 861 movement.

  • Condition: Pre-owned, with wear, scratches and nicks
  • Case size: 42MM diameter
  • Movement type: Manual wound
Posted at
Apr 4, 2026, 7:50 PM
Active
[WTS] Omega Speedmaster Professional Sapphire - 310.30.42.50.01.002 - Full Kit - Price Reduced

Omega Speedmaster Professional Sapphire - 310.30.42.50.01.002 - Full Kit - Price Reduced

A lightly pre-owned Omega Speedmaster Professional with a sapphire crystal front and display caseback, featuring the iconic 'Sapphire Sandwich' design.

  • Condition: near like-new
  • Size: 42mm diameter
  • Case material: full kit includes original double box, all 3 omega cards, as well as the original receipt
Posted at
Apr 4, 2026, 6:40 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch

Omega Speedmaster Professional Moonwatch

A true icon with the sapphire crystal front and exhibition caseback, showcasing the beautiful manual-wind movement.

  • Condition: Good-Excellent overall, minor wear consistent with careful use, scratches on clasp
  • Movement: Manual-wind chronograph
  • Crystal: Sapphire front & display caseback
  • Includes: Watch, box, papers
Posted at
Apr 4, 2026, 6:28 PM
Active
[WTS] NEW Omega Speedmaster Moonwatch Reverse Panda $9,999 Shipped 310.30.42.50.01.004

NEW Omega Speedmaster Moonwatch Reverse Panda $9,999 Shipped 310.30.42.50.01.004

A brand new Omega Speedmaster 'Reverse Panda' Moonwatch, featuring the Co-Axial Master Chronometer Caliber 3861 and a 42mm stainless steel case design.

  • Condition: Brand New
  • Case Diameter: 42mm
  • Bracelet Length: fully linked
Posted at
Apr 4, 2026, 6:00 PM
Active