Omega Speedmaster Speedmaster Professional Moonwatch SpeedyMoon

Reference ST 345.0809

Omega Speedmaster Professional Moonwatch SpeedyMoon

About this watch

The Omega ST 345.0809 Speedmaster Professional Moonwatch SpeedyMoon is a true masterpiece in the world of horology, blending history, functionality, and style. With its iconic design and unique moonphase complication, it's more than just a timepiece; it's a celebration of human achievement and a testament to Omega's craftsmanship. The watch features a reliable hand-wound movement with 17 jewels and a power reserve of 45 hours, making it suitable for everyday wear and special occasions. Its durable stainless steel construction and comfortable wearability with customizable straps make it a perfect choice for those who appreciate both elegance and functionality. Whether you're a seasoned collector or just starting your watch journey, this watch offers something truly special.

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Key Features

Hand-wound Omega caliber 866 movement
Unique moonphase complication
42mm stainless steel case with tachymeter bezel
Plexi glass crystal with water resistance up to 50m
Stick and dot indexes on black dial
Comfortable wearability with customizable straps

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch SpeedyMoon

Reference

ST 345.0809

Movement Features

Hours, Minutes, Small Seconds
Date
Chronograph
Moonphase

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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