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 Professional “Tokyo 2020 Yellow” – Ref. 522.20.42.30.01.001 – Complete Set – $6500

Omega Speedmaster Professional “Tokyo 2020 Yellow” – Ref. 522.20.42.30.01.001 – Complete Set – $6500

Omega - 522.20.42.30.01.001 · $6,500
This Omega Speedmaster Professional features a 42mm stainless steel case with yellow gold accents and black dial with gold subdials, powered by the classic hand-wound Caliber 1861 movement. It comes with various accessories as part of its complete set.

  • Condition: Very good pre-owned
  • Case diameter: 42mm
  • Bracelet type: stainless steel
  • Movement: hand-wound Caliber 1861
Posted at
Dec 1, 2025, 8:50 PM
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[WTS] Omega OEM Speedmaster Moonwatch Professional Black Fabric Strap & Omega OEM Deployant Clasp

Omega OEM Speedmaster Moonwatch Professional Black Fabric Strap & Omega OEM Deployant Clasp

Omega - 032CWZ014117, 94521613 · $475
This Omega Speedmaster Moonwatch Professional features a black fabric strap, stainless steel deployant clasp, and comes with original packaging.

  • Condition: As New
  • Strap material: black fabric
  • Clasp type: Omega OEM Stainless Steel Deployant/16mm
  • Lug width: 20mm
Posted at
Dec 1, 2025, 5:05 PM
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[WTS] Omega 20mm OEM Integrated Speedmaster Moonwatch Professional Black Rubber Strap (Sold Out) & Omega OEM Deployant Clasp

Omega 20mm OEM Integrated Speedmaster Moonwatch Professional Black Rubber Strap (Sold Out) & Omega OEM Deployant Clasp

Omega - 032Z017245 · $575
A black rubber strap for the Omega Speedmaster Professional, featuring curved ends and a 20mm width. It is no longer available at Omega AD or online.

  • Strap Ref: 032Z017245 (Black Rubber, curved ends, 20mm/16mm)
  • Clasp Ref: 94521633 (Omega OEM Stainless Steel Deployant/16mm)
  • Fitment: Speedmaster Professional (20mm lug)
Posted at
Dec 1, 2025, 4:48 PM
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[WTS][US] Omega Speedmaster Broad Arrow - White Dial - 42mm - 3551.20.00 - Full Set

[US] Omega Speedmaster Broad Arrow - White Dial - 42mm - 3551.20.00 - Full Set

Omega - 3551.20.00 · $4,250
This Omega Speedmaster Broad Arrow features a white dial, 42mm case size, and comes as a full set including the watch, box, both manual, and triple cards.

  • Condition: Fantastic condition with only minor hairlines
  • Case diameter: 42mm
  • Bracelet condition: minor hairlines
Posted at
Dec 1, 2025, 8:25 AM
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[WTS] 2025 OMEGA SPEEDMASTER WHITE DIAL, LIKE NEW FULL SET $7,350 USD + shipping

2025 OMEGA SPEEDMASTER WHITE DIAL, LIKE NEW FULL SET $7,350 USD + shipping

OMEGA - 2025 · $7,350
The Omega Speedmaster White Dial 2025 features a clean white dial, sapphire crystal, and classic stainless steel case and bracelet.

  • Condition: Like new
  • Year: 2025
  • Case material: stainless steel
  • Bracelet material: stainless steel
Posted at
Nov 30, 2025, 6:11 PM
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[WTS] Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Serviced) 🟤

Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Serviced) 🟤

Omega - 145.022-69 · $15,150
This is a 1969 Omega Speedmaster Moonwatch with a tropical brown dial featuring a deep, even transformation with heavy yellow patina across all indices and matching hands. The watch has been professionally serviced and runs properly.

  • Condition: Beautiful condition
  • Size: 42mm diameter
  • Year: 1969
  • Case back: Flat case back
Posted at
Nov 30, 2025, 4:23 PM
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[WTS] 1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

Omega - 3590.50 · $4,199
This is a 1991 Omega Speedmaster Moonwatch with a caliber 861 movement and excellent tritium dial. The watch appears to be in great condition with original hands and an original Omega hesalite crystal.

  • Condition: Excellent vintage condition
  • Movement: Caliber 861
  • Serial number: 482774XX
  • Bracelet size: adjusts to fit up to 7.5 inch wrist
Posted at
Nov 30, 2025, 3:32 PM
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[WTS] Omega Speedmaster Professional Moonwatch 310.30.42.50.01.001 – Unworn, FULL SET – $5,900 (Shipped CONUS)

Omega Speedmaster Professional Moonwatch 310.30.42.50.01.001 – Unworn, FULL SET – $5,900 (Shipped CONUS)

Omega - 310.30.42.50.01.001 · $5,900
This is an Omega Speedmaster Professional Moonwatch with a manual-wind Master Chronometer movement and legendary 'Moonwatch' design in a 42mm stainless steel case.

  • Condition: Unworn, excellent condition
  • Movement type: Manual-wind
  • Case material: 42mm stainless steel
  • Bracelet included: Yes, original bracelet with all links
Posted at
Nov 30, 2025, 3:21 PM
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[WTS] Omega Speedmaster First Omega in Space (FOIS) Numbered Edition

Omega Speedmaster First Omega in Space (FOIS) Numbered Edition

Omega - 311.32.40.30.01.001 · $4,600
This Omega Speedmaster First Omega in Space has been modified to resemble the Ed White Speedmaster and comes with all original parts for easy conversion. It's a numbered edition from 2020, featuring a genuine Omega 321 handset, Broad Arrow dial, and spiral winder sapphire case back.

  • Condition: Very good condition, with minimal signs of wear.
  • Handset type: Genuine Omega 321
  • Dial type: Genuine Omega 'Broad Arrow'
  • Case back material: Sapphire
Posted at
Nov 30, 2025, 2:25 PM
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