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 Racing-Excellent Condition-$4900

Omega Speedmaster Racing-Excellent Condition-$4900

Omega - Speedmaster Racing · $4,900
This Omega Speedmaster Racing features orange accents giving it a unique Ultraman vibe while keeping the classic Speedmaster DNA.

  • Condition: Excellent
  • Case size: 44mm
  • Movement: Omega Caliber 9900 automatic movement, COSC + METAS certified
Posted at
May 19, 2026, 5:39 PM
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[WTS] Omega Speedmaster 5313.33

Omega Speedmaster 5313.33

Omega - 5313.33 · $2,500
For sale today is an Omega Triple Date ref. 5313.33 in great pre-owned condition with international warranty card.

  • Condition: Pre-owned, great condition with light wear throughout the case, bracelet, and clasp consistent with age
  • Water Resistance: 30m
Posted at
May 19, 2026, 5:02 PM
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[WTS] Omega Speedmaster 145.012-67 Vintage

Omega Speedmaster 145.012-67 Vintage

Omega - 145.012-67 · $7,650
A vintage Omega Speedmaster 145.012-67 in excellent condition with tritium lume and a fresh service. The dial has minor cosmetic issues but the watch keeps great time and functions properly.

  • Condition: Pre-owned, serviced
  • Lume type: Tritium
  • Bezel condition: Fresh, serviced Telemeter bezel
  • Additional bezel: Original DON bezel in rough faded shape
Posted at
May 19, 2026, 2:28 PM
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[WTS] Like New 2026 Omega Speedmaster Professional Reverse Panda 310.30.42.50.01.004

Like New 2026 Omega Speedmaster Professional Reverse Panda 310.30.42.50.01.004

Omega - 310.30.42.50.01.004
  • Water resistance: 100m
Posted at
May 19, 2026, 1:41 PM
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[WTS] Omega Speedmaster 50th Anniversary – No. 927/1957 – Limited Edition – Black Enamel Dial

Omega Speedmaster 50th Anniversary – No. 927/1957 – Limited Edition – Black Enamel Dial

Omega - 50th Anniversary Limited Edition No. 927/1957 · $9,800
A highly collectible tribute to the original 1957 Speedmaster featuring a stunning black enamel dial and produced in strictly limited numbers. This example presents very well overall, with honest handling marks consistent with careful wear.

  • Condition: Very good overall condition
  • Case size: 42mm diameter
  • Dial material: black enamel
  • Movement type: manual-wind chronograph
Posted at
May 19, 2026, 1:37 PM
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[WTS] Omega Speedmaster Professional Ref. 145.012-67 SP. Pre-Moon Full Collector's Set!

Omega Speedmaster Professional Ref. 145.012-67 SP. Pre-Moon Full Collector's Set!

Omega - 145.012-67 SP · $17,000
A Pre-Moon Omega Speedmaster Professional in its final and most desirable form, featuring the legendary Caliber 321 column-wheel movement and a full set with original papers.

  • Condition: Pre-owned, with signs of wear consistent with age
  • Movement: Caliber 321 (Serial 26.xxx.xxx)
  • Case size: 42mm diameter
  • Case manufacturer: Huguenin Frères (HF)
Posted at
May 19, 2026, 1:18 PM
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[WTS] Happy Speedy Tuesday! Price Drop – Omega Speedmaster Professional 3861 Sapphire (2022) in Excellent Condition – Full Set – Original Clasp + Micro-adjust Clasp – $6425 + shipping obo

Happy Speedy Tuesday! Price Drop – Omega Speedmaster Professional 3861 Sapphire (2022) in Excellent Condition – Full Set – Original Clasp + Micro-adjust Clasp – $6425 + shipping obo

Omega - 3861 Sapphire · $6,425
A classic Omega Speedmaster Professional Moonwatch from 2022, featuring a Co-Axial Master Chronometer movement and sapphire crystal front and back. It's in excellent condition with very light wear from normal use.

  • Condition: Excellent
  • Box: outer & inner box included
  • Warranty: 2022 warranty card included
  • Movement: Co-Axial Master Chronometer movement
Posted at
May 19, 2026, 12:41 PM
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[WTS] Happy Speedy Tuesday! Price Drop – Omega Speedmaster Reduced “Red Schumacher” 3510.61 – OG Bracelet – $2975 + shipping OBO

Happy Speedy Tuesday! Price Drop – Omega Speedmaster Reduced “Red Schumacher” 3510.61 – OG Bracelet – $2975 + shipping OBO

Omega - 3510.61 · $2,975
A unique Omega Speedmaster Reduced 'Red Schumacher' variant with a bright red dial, original bracelet, and late 90s / early 2000s styling.

  • Condition: Very nice condition for its age with normal light wear consistent with use
  • Bracelet fit: ~6.75 inch wrist depending on preferred fit
  • Bezel error: +4 to +8 s/day
  • Amplitude: 275-299
Posted at
May 19, 2026, 12:38 PM
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[WTS] Omega Speedmaster Reduced 3510.50 Mint Full Set $3200

Omega Speedmaster Reduced 3510.50 Mint Full Set $3200

Omega - 3510.50 · $3,200
For sale is a beautiful Omega Speedmaster Reduced 3510.50 in really mint condition from 1998, featuring a matte black dial with crisp white inscriptions and a handset.

  • Condition: Mint
  • Case size: 39mm diameter
  • Material: stainless steel
  • Movement: automatic Omega caliber 3220 (ETA 2890-2 with Dubois-Depraz chronograph module)
Posted at
May 19, 2026, 9:03 AM
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