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 Reduced Schumacher 2700$

Omega Speedmaster Reduced Schumacher 2700$

Omega - 3510.12 · $2,700
The Omega Speedmaster Reduced features a striking yellow dial and a 39mm case, one of the most wearable Speedmaster sizes.

  • Condition: nice condition with no noticeable wear signs
  • Case size: 39mm
  • Movement: automatic
Posted at
Feb 15, 2026, 12:25 PM
Active
[WTS] Omega Speedmaster - Dark Side of the Moon Vintage Edition - RARE

Omega Speedmaster - Dark Side of the Moon Vintage Edition - RARE

A rare Omega Speedmaster Dark Side of the Moon Vintage Edition with a black ceramic case and coaxial movement.

  • Condition: Nearly perfect
  • Case Diameter: 44mm
  • Lug To Lug Length: 49mm
  • Watch Weight: 99 grams
Posted at
Feb 15, 2026, 10:50 AM
Active
[WTS] Omega Speedmaster Date 3513.50

Omega Speedmaster Date 3513.50

Omega - 3513.50 · $1,850
A neo-vintage automatic chronograph with classic Speedmaster looks, powered by the Omega caliber 1152, and offering a perfect balance between sporty and dressy styles.

  • Condition: Very good overall condition
  • Movement: Omega caliber 1152 (ETA 7750-based)
  • Case Material: Stainless steel
  • Bezel Material: Stainless steel
Posted at
Feb 14, 2026, 8:33 PM
Active
[WTS] Omega Speedmaster Professional - Sapphire - AD B&P/Receipt - 3861

Omega Speedmaster Professional - Sapphire - AD B&P/Receipt - 3861

The listing appears to be for an Omega Speedmaster Professional Sapphire, a high-end watch model.

Posted at
Feb 14, 2026, 7:19 PM
Active
[WTS] Omega Speedmaster w/ white gloss lacquer dial [ Ref. 310.30.42.50.04.001 ]

Omega Speedmaster w/ white gloss lacquer dial [ Ref. 310.30.42.50.04.001 ]

Up for sale is this Omega Speedmaster Moonwatch Professional with the white gloss lacquer dial, a full set including the Omega box and warranty card dated 2024.

  • Condition: Great pre-owned condition
  • Material: metal
Posted at
Feb 14, 2026, 1:09 PM
Active
[WTS] Omega Speedmaster Reverse Panda dial [ Ref. 310.30.42.50.01.004 ]

Omega Speedmaster Reverse Panda dial [ Ref. 310.30.42.50.01.004 ]

Omega - 310.30.42.50.01.004 · $10,600
Up for sale is this Omega Speedmaster Moonwatch Professional with the reverse panda dial. It comes as a full set, including the Omega box and other accessories.

  • Condition: Mint condition, worn a handful of times
  • Included Accessories: Omega box, outer box, warranty card, Chronometer card, hangtag, user manual, booklet
  • Location: Carlsbad, CA
Posted at
Feb 14, 2026, 12:28 PM
Active
[WTS] Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

Omega Speedmaster Grey Side Of The Moon watch features a grey dial and 44mm case.

  • Condition: Great, with a small chip on the case back
  • Case size: 44mm diameter
  • Materials: Titanium ceramic
Posted at
Feb 14, 2026, 11:59 AM
Active
[WTS] 20mm Omega Speedmaster Bracelet 1499 / 842 – Production (1996–1998)

20mm Omega Speedmaster Bracelet 1499 / 842 – Production (1996–1998)

A 20mm Omega Speedmaster bracelet with 842 end links, known for its high-quality build and taper.

  • Production period: 1996-1998
Posted at
Feb 14, 2026, 4:33 AM
Active