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

Current Listings

Omega Speedmaster Broad Arrow 44.25mm Grey Dial 321.10.44.50.02.001 $2,450

Omega - 321.10.44.50.02.001 · $2,450

A Omega Speedmaster with a grey dial and 44.25mm case size for sale.

Condition: Slight scratches from normal use
Diameter: 44.25mm
Shipping region: Singapore
Shipping time: 4-5 business days to US

Posted at

Apr 29, 2026, 5:48 AM

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Omega Speedmaster Professional "Sapphire Sandwich" Ref. 3573.50 - $4,750

Omega - 3573.50 · $4,750

This Omega Speedmaster Professional features a stainless steel case, 42mm in diameter, with sapphire crystals front and back, powered by an Omega Calibre 1863 movement. It is a manual wind chronograph from approximately 2005.

Condition: Good condition with slight wear marks and one scratch
Case size: 42mm
Crystal material: Sapphire
Movement type: Manual wind chronograph

Posted at

Apr 29, 2026, 12:06 AM

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2026 Omega Speedmaster “Reverse Panda” 310.30.42.50.01.004 $9599 + FREE SHIPPING

Omega - 310.30.42.50.01.004 · $9,599

2026 Omega Speedmaster “Reverse Panda” with a 42mm steel case, black dial with white sundials, and a 3861 movement providing 50 hours of power reserve.

Condition: Preowned, 9.9/10 Cosmetic Condition
Case size: 42mm
Movement: 3861
Power reserve: 50 Hours

Posted at

Apr 28, 2026, 11:12 PM

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OMEGA Speedmaster Professional MOONWATCH Sapphire Sandwich

OMEGA - 311.30.42.30.01.006 · $5,799

This is the iconic OMEGA Speedmaster Professional Moonwatch Sapphire Sandwich, featuring a timeless design and highly sought-after sapphire crystal configuration.

Condition: mint condition
Case material: steel
Band material: steel
Crystal material: sapphire

Posted at

Apr 28, 2026, 10:28 PM

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View listing on r/WatchExchange