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 Day Date 3523.80

Omega Speedmaster Day Date 3523.80

Omega - 3523.80 · $2,225
This Omega Speedmaster Day Date features a beautiful blue dial and is in excellent condition with minimal signs of wear.

  • Condition: Excellent
  • Payment Methods Accepted: crypto, most other methods
  • Local Pickup Available: yes
  • Trades Accepted: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
May 15, 2026, 2:37 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Professional Moonwatch 310.30.42.50.01.002 COMPLETE SET 2025

Omega Speedmaster Professional Moonwatch 310.30.42.50.01.002 COMPLETE SET 2025

Omega - 310.30.42.50.01.002 · $6,450
For sale is an Omega Speedmaster Professional Moonwatch, a high-end watch in excellent condition with almost no signs of wear.

  • Condition: excellent condition
  • Warranty card included: true
  • Payment methods accepted: crypto, other payment methods (except PayPal)
  • Trading brands allowed: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
May 15, 2026, 2:23 PM
Active
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[wts] Omega Speedmaster Ed White 311.30.40.30.01.001 2023

Omega Speedmaster Ed White 311.30.40.30.01.001 2023

Omega - 311.30.40.30.01.001 · $14,500
The Omega Seamaster Ed White is a well-preserved watch with a 39.7mm case and iconic 321 movement, featuring minor surface hairlines.

  • Condition: Mint condition
  • Case size: 39.7mm
  • Movement: 321
Posted at
May 15, 2026, 12:18 PM
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[WTS] Omega Speedmaster Racing Ref. 326.30.40.50.01.001 – Full Set – $3,400 Shipped CONUS (Zelle Only)

Omega Speedmaster Racing Ref. 326.30.40.50.01.001 – Full Set – $3,400 Shipped CONUS (Zelle Only)

Omega - 326.30.40.50.01.001 · $3,400
This is a well-balanced 40mm Speedmaster that wears incredibly comfortably and offers a more modern, sport-oriented take on the classic Speedmaster design.

  • Condition: Very good overall condition, some light signs of wear
  • Bracelet size: adjustable, extra links included
  • Box and papers included: full set
Posted at
May 15, 2026, 9:46 AM
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[WTS] 2026 Omega Speedmaster Moonwatch Hesalite 42mm 310.30.42.50.01.001 — Like New Condition, Box & Papers

2026 Omega Speedmaster Moonwatch Hesalite 42mm 310.30.42.50.01.001 — Like New Condition, Box & Papers

Omega - 310.30.42.50.01.001 · $6,100
The Omega Speedmaster Moonwatch Hesalite features a black stepped dial and a manually wound caliber 3861 movement, preserving the iconic design heritage tied to Omega’s role in space exploration.

  • Condition: Like new condition
  • Case size: 42mm diameter
  • Lug to lug: 47.5mm
  • Thickness: 13.2mm
Posted at
May 15, 2026, 9:29 AM
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[WTS] Omega Speedmaster Automatic Date Black Dial - Ref. 175.0084 / Cal. 1152

Omega Speedmaster Automatic Date Black Dial - Ref. 175.0084 / Cal. 1152

Omega - 175.0084 / Cal. 1152 · $1,700
This Omega Speedmaster is a black dial automatic date watch with reference number 175.0084 and caliber 1152, featuring a nice bracelet that fits up to a 7 inch wrist.

  • Condition: Honest worn condition, no major or moderate cosmetic defects
  • Bracelet size compatibility: up to 7 inch wrist
Posted at
May 15, 2026, 9:25 AM
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[WTS] Omega Speedmaster Apollo XI 20th Anniversary (1989) - US Market ltd 1068/2000 - Full Set w/ 1450 "Grail" Bracelet - tritium patina

Omega Speedmaster Apollo XI 20th Anniversary (1989) - US Market ltd 1068/2000 - Full Set w/ 1450 "Grail" Bracelet - tritium patina

Omega - 3590.59 / ST 145.022 · $7,300
This Omega Speedmaster Professional Apollo XI 20th Anniversary Edition is a highly collectible piece of space and horological history, released in 1989 to commemorate the 20th anniversary of the 1969 lunar landing. It features a unique case-side engraving, comes as a complete collector's set, and includes the legendary 1450 bracelet.

  • Condition: Honest, vintage condition with surface wear on the case and scratches on the crystal
  • Movement: Caliber 861
  • Dimensions: 42mm case size | 20mm lug width (diameter)
  • Bracelet: Omega Ref. 1450 "Holy Grail" bracelet with 808 solid end links
Posted at
May 15, 2026, 8:49 AM
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[WTS][US] Omega Speedmaster Calibre 321 - Ed White - Black Dial - 39.7mm - 311.30.40.30.01.001 - Full Set

[US] Omega Speedmaster Calibre 321 - Ed White - Black Dial - 39.7mm - 311.30.40.30.01.001 - Full Set

Omega - 311.30.40.30.01.001 · $15,500
This Omega Speedmaster Calibre 321 features a black dial and is housed in a 39.7mm case.

  • Condition: Pristine with minor hairlines on clasp, case, and bracelet
  • Case size: 39.7mm diameter
  • Straps included: NATO strap and velcro strap
Posted at
May 15, 2026, 7:28 AM
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[WTS][US] Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

[US] Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

Omega - 310.30.42.50.04.001 · $7,900
This Omega Speedmaster Moonwatch Professional features a white dial and is fully set, including box, historical booklet, user manual, microfiber cloth, master chronometer card, and warranty card.

  • Condition: pristine condition with minor hairlines on clasp, case, and bracelet
Posted at
May 15, 2026, 7:23 AM
Active
View listing on r/WatchExchange