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

2024 Omega Speedmaster Moonwatch Professional White Dial 310.30.42.50.04.001 Box and Papers

Omega - 310.30.42.50.04.001 · $7,277

This is a 2024 Omega Speedmaster Moonwatch Professional with a white dial and reference number 310.30.42.50.04.001. It features an excellent condition case, bracelet, and clasp.

Condition: Excellent condition with minimal signs of wear
Case size: 42mm diameter
Water resistance: 50m water resistant
Warranty: 5 year warranty remaining

Posted at

May 27, 2026, 1:41 PM

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Omega Speedmaster Moonphase 304.33.44.52.01.001

Omega - 304.33.44.52.01.001 · $7,350

This Omega Speedmaster features a moonphase complication, chronograph, and automatic co-axial movement 9904.

Condition: Good pre-owned condition
Size: 44.25mm diameter
Movement: Automatic co-axial movement 9904
Strap: Omega leather strap

Posted at

May 27, 2026, 10:18 AM

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Omega Speedmaster Reduced Ref. 3510.50 | Early Tritium Dial Variant | $2700 (SERVICED)

Omega - 3510.50 · $2,700

The Omega Speedmaster Reduced Ref. 3510.50 is a compact 39mm automatic watch with an early tritium dial variant, carrying the classic black dial, tachymeter bezel, and chronograph layout.

Condition: Great condition with some use and minor scratches
Diameter: 39mm diameter
Thickness: 14mm thickness
Lug-to-lug: 44mm lug-to-lug length

Posted at

May 27, 2026, 10:03 AM

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OEM Omega Speedmaster rubber strap with Omega deployant clasp

Omega - Speedmaster · $550

This listing is for an OEM Omega Speedmaster rubber strap with deployant clasp that does not fit the seller due to their wrist size.

Material: rubber

Posted at

May 27, 2026, 9:30 AM

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2025 Omega Speedmaster Racing 329.30.44.51.04.001 $6999

Omega - 329.30.44.51.04.001 · $6,999

This Omega Speedmaster Racing Master Chronometer features a stainless steel case and bracelet with a black ceramic bezel ring and includes the famous tachymeter scale filled with white enamel.

Condition: Pre Owned, Cosmetic Condition: 9/10
Case size: 44 mm diameter
Movement: 9900 caliber
Power reserve: 60 hours

Posted at

May 26, 2026, 11:43 PM

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Omega Speedmaster Professional Moonwatch – Ref. 311.30.42.30.01.005 – $5,250

Omega - Ref. 311.30.42.30.01.005 · $5,250

This Omega Speedmaster Professional Moonwatch is a high-end timepiece known for its accuracy and style.

Serial number: available upon request

Posted at

May 26, 2026, 10:00 PM

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Omega Speedmaster Professional Moonwatch – Ref. 311.30.42.30.01.005 $5150

Omega - 311.30.42.30.01.005 · $5,150

A user's Omega Speedmaster Professional Moonwatch, a family heirloom that has been featured on the PrideAndPinion forum.

Year Posted On Forum: four years ago

Posted at

May 26, 2026, 9:47 PM

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May 2026 Omega Speedmaster Silver Snoopy BNIB 310.32.42.50.02.001 $15,499

Omega - 310.32.42.50.02.001 · $15,499

Up for sale is the Omega Speedmaster “Silver Snoopy Award” 50th Anniversary in brand new condition, widely considered one of the most playful and highly coveted special-edition luxury timepieces ever produced by Omega.

Condition: Brand new in box with warranty
Case size: 42mm diameter
Case thickness: 14.4mm
Lug width: 20mm

Posted at

May 26, 2026, 5:18 PM

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Omega Speedmaster Racing 329.32.44.51.01.001 + FREE OEM Omega Bracelet

Omega - 329.32.44.51.01.001 · $5,799

This Omega Speedmaster Racing features a ceramic tachy bezel, METAS-certified Caliber 9900, and one of the best black/orange dials Omega has put out in years. The orange chrono handset and racing minute track give this watch more personality than the standard Speedy lineup.

Condition: Excellent overall condition with only light signs of wear
Case size: 44.25mm
Water resistance: 100m
Movement: Co-Axial Master Chronometer Caliber 9900

Posted at

May 26, 2026, 5:04 PM

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