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 Moonphase Blue Dial 44mm 2024 Box & Papers

Omega - 304.33.44.52.03.001 · $8,250

The Omega Speedmaster Moonphase is a complication-driven take on the iconic Speedmaster, combining a classic chronograph layout with a beautifully executed moonphase display and a deep blue dial.

Condition: Excellent
Size: 44mm diameter
Water Resistance: 100m depth rating
Movement Type: Co-Axial automatic movement

Posted at

Jan 3, 2026, 8:22 PM

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Omega Speedmaster Moonphase BOX AND PAPERS 304.33.44.52.03.001

Omega - 304.33.44.52.03.001 · $7,150

For sale is an Omega Speedmaster Moonphase in excellent condition, with only minimal wear on the straps.

Condition: Excellent
Case size: 40mm
Strap type: black leather omega strap

Posted at

Jan 3, 2026, 4:41 PM

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Omega Speedmaster 3510.50 Reduced X2

Omega - 3510.50 · $2,550

Two Omega Speedmaster Reduced watches in excellent condition for sale.

Condition: Excellent
Case Size: 40mm diameter
Payment Methods: Cash, crypto, most credit cards

Posted at

Jan 3, 2026, 3:45 PM

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Omega Speedmaster Professional 3861 Hesalite “Sandwich” – Full AD Kit – 6/24 (spiralwinder caseback) Extras!

Omega - 3861 · $5,995

This Omega Speedmaster Professional Moonwatch is a Hesalite 'sandwich' model with a sapphire display caseback and an original Hesalite caseback included. It features a Cal. 3861 Master Chronometer movement and comes with a full Authorized Dealer kit.

Condition: Daily worn, normal wear/use consistent with daily rotation, never polished
Movement: Cal. 3861 (Master Chronometer)
Bracelet type: Current bracelet with tool-less sliding clasp adjustment
Crystal material: Hesalite, Sapphire

Posted at

Jan 3, 2026, 10:52 AM

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Omega Speedmaster « Broad Arrow » 3594.50

Omega - 3594.50 · $3,600

This Omega Speedmaster Broad Arrow is a highly collectible and historically inspired watch with iconic Broad Arrow hands. It has recently been serviced by a professional watchmaker in France and comes with a 1-year service warranty.

Condition: Excellent overall condition
Service: Recently serviced by a professional watchmaker in France
Warranty: 1-year service warranty from the professional who performed the revision
Bracelet: Original Omega bracelet included

Posted at

Jan 3, 2026, 10:20 AM

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

OMEGA - 311.92.44.30.01.001 · $10,000

The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 commemorates the 50th anniversary of the Apollo 8 mission, crafted from a single block of black ceramic with a sleek modern aesthetic and a technical artistic tribute to space exploration.

Condition: [UNWORN]
Case material: black ceramic
Diameter: 44.25mm
Movement: Calibre 1869

Posted at

Jan 3, 2026, 6:21 AM

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OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET!

OMEGA - 311.30.40.30.01.001 · $18,000

This OMEGA Speedmaster Calibre 321 Ref. 311.30.40.30.01.001 is a faithful recreation of the reference 105.003, famously worn by astronaut Ed White during America's first spacewalk.

Condition: UNWORN
Material: stainless steel
Movement: Calibre 321 column-wheel chronograph
Caseback: sapphire

Posted at

Jan 3, 2026, 3:15 AM

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