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] 2019 Omega Speedmaster (FOIS) - 311.32.40.30.01.001 - Box and Papers - $4,295 Shipped ✈️

2019 Omega Speedmaster (FOIS) - 311.32.40.30.01.001 - Box and Papers - $4,295 Shipped ✈️

This is the Omega Speedmaster ‘First Omega in Space’ (FOIS) model, a highly sought-after favorite among collectors, featuring a classic straight-lug case and vintage-inspired design.

  • Condition: Fantastic pre-owned condition with minimal wear
  • Size: 39.7mm diameter
  • Case type: Straight-lug case
Posted at
Apr 3, 2026, 9:41 PM
Active
[WTS] Omega Speedmaster Date 3513.50 $1,800

Omega Speedmaster Date 3513.50 $1,800

Omega - 3513.50 · $1,800
This Omega Speedmaster Date features a deep sunburst textured black dial and a classic polished bezel, paired with the unmistakable Speedmaster design language.

  • Condition: Preowned - Good
  • Size: 39mm diameter
  • Crystal material: Not specified
Posted at
Apr 3, 2026, 9:27 PM
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! 🔥$10,000🔥

OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 🔥$10,000🔥

OMEGA - 311.92.44.30.01.001 · $10,000
The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 Ref. 311.92.44.30.01.001 commemorates the 50th anniversary of the Apollo 8 mission, the first to orbit the moon. This 44.25mm masterpiece is crafted from a single block of black ceramic, offering unparalleled scratch resistance and a sleek, modern aesthetic.

  • Condition: UNWORN
  • Case material: black ceramic
  • Case size: 44.25mm
  • Dial design: skeletonized and laser-ablated
Posted at
Apr 3, 2026, 8:59 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch – Ref. 310.30.42.50.01.001 – Excellent Condition – Watch Only

Omega Speedmaster Professional Moonwatch – Ref. 310.30.42.50.01.001 – Excellent Condition – Watch Only

This Omega Speedmaster Professional Moonwatch features the iconic Hesalite crystal and manual-wind Master Chronometer movement, staying true to its heritage while adding updated movement technology and finishing.

  • Condition: Excellent condition, Near mint
  • Case Size: 42mm
  • Movement: Manual-wind Co-Axial Master Chronometer (Cal. 3861)
  • Crystal: Hesalite
Posted at
Apr 3, 2026, 7:15 PM
Active
[WTS] Price Drop Omega SpeedMaster Pilot 40.85mm

Price Drop Omega SpeedMaster Pilot 40.85mm

The Omega Speedmaster Pilot Chronograph is a modern aviation-inspired chronograph that blends legendary Speedmaster DNA with a clean, instrument-driven design.

  • Case Size: 40.85mm
  • Case Material: Stainless Steel
  • Dial: Matte Black
Posted at
Apr 3, 2026, 4:53 PM
Active
[WTS] Omega Speedmaster Professional White Dial - $7,150

Omega Speedmaster Professional White Dial - $7,150

This Omega Speedmaster Professional features a beautiful white lacquered dial with red lettering, sapphire crystal and caseback, and a gorgeous 3861 movement. It comes on a metal band in very good condition and includes an additional OEM Omega black leather band.

  • Condition: Very good condition, minor hairline scratches
  • Movement: 3861
  • Year serviced: 2026
  • Warranty condition: 2024 dated
Posted at
Apr 3, 2026, 3:27 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional Chronograph 42MM “Reverse Panda” - Reference 310.30.42.50.01.004 Box and Papers card dated 2/2026

Omega Speedmaster Moonwatch Professional Chronograph 42MM “Reverse Panda” - Reference 310.30.42.50.01.004 Box and Papers card dated 2/2026

Omega - 310.30.42.50.01.004 · $10,300
This Omega Speedmaster Professional Moonwatch features a 42mm stainless steel case and a black 'reverse panda' dial with crisp white subdials, powered by Omega's Master Chronometer Caliber 3861.

  • Condition: Excellent, minimal signs of wear
  • Case size: 42mm diameter
  • Water resistance: 30m depth rating
  • Movement: Master Chronometer Caliber 3861
Posted at
Apr 3, 2026, 12:14 PM
Active
[WTS] Omega Speedmaster Date 38.5mm 3513.54

Omega Speedmaster Date 38.5mm 3513.54

Omega - 3513.54 · $1,750
For sale is an Omega Speedmaster Date 38.5mm, from 1998, running great and functions properly.

  • Condition: Good condition with minor wear and scratches
  • Year of manufacture: 1998
  • Payment methods accepted: Cryptocurrency with fee, credit/debit card, etc.
  • Location: Southwest FL
Posted at
Apr 3, 2026, 9:55 AM
Active
[WTS] Omega Speedmaster Racing 326.30.40.50.03.001

Omega Speedmaster Racing 326.30.40.50.03.001

For sale is an Omega Speedmaster Racing, reference number 326.30.40.50.03.001. This watch is in great condition there is some light wear around the watch but nothing that big or super noticeable.

  • Condition: great with some light wear
  • Payment Methods Accepted: pretty much every method including crypto
  • Meet Up Locations: southwest FL, locally
Posted at
Apr 3, 2026, 9:53 AM
Active