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

Omega Speedmaster Pilot | 2025

Omega - 332.10.41.51.01.002 · $7,500

This Omega Speedmaster Pilot is the recently released flight qualified version of the Speedmaster, featuring an automatic caliber 9900 movement and sapphire crystal.

Condition: Excellent
Case size: 40.85mm
Case material: Steel
Bracelet material: Steel

Posted at

Jan 11, 2026, 8:01 PM

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2023 Omega Speedmaster Moonphase Sedna (Rose) Gold / Brown Dial

Omega - 304.23.44.52.13.001 · $9,848

This Omega Speedmaster Moonphase features a sophisticated evolution of the legendary Speedmaster with classical complications and modern Omega innovation, crafted in 18k Sedna Gold with a beautifully finished brown sun-brushed dial.

Condition: excellent
Case Size: 44.25mm diameter
Case Material: 18k Sedna Gold
Dial: brown sun-brushed

Posted at

Jan 11, 2026, 4:57 PM

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20mm Two Omega OEM Integrated Speedmaster Black Rubber Straps & One - Omega OEM Clasp - (Backordered by Omega)

Omega - 032Z017245 · $350

This Omega watch has two OEM integrated black rubber straps and one stainless steel deployant clasp. It's designed to fit the Speedmaster Professional with a 20mm lug size.

Condition: Excellent
Material: Black Rubber
End Type: curved ends
Lug Size: 20mm/16mm

Posted at

Jan 11, 2026, 8:52 AM

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Omega Speedmaster Moonphase | Ref. 304.33.44.52.03.001 | 2024 | Complete Set Mint | $7,399 Shipped

Omega - 304.33.44.52.03.001 · $7,399

The Omega Speedmaster Moonphase combines the classic Moonwatch design language with added complications and a stunning blue colorway, featuring a chronograph, moonphase display at 6 o'clock, pointer date subdial at 9 o'clock, powered by Co-Axial Master Chronometer movement.

Condition: Excellent overall
Case size: 44.25mm diameter
Movement: Co-Axial Master Chronometer movement
Complications: chronograph, moonphase display, pointer date subdial

Posted at

Jan 10, 2026, 8:06 PM

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Excellent Omega Speedmaster Broad Arrow Co-Axial GMT Mens Watch $2750

Omega - Speedmaster Broad Arrow Co-Axial GMT · $2,750

This Omega Speedmaster Broad Arrow Co-Axial GMT is a high-quality watch featuring an automatic movement and stainless steel case. It measures 44mm in width, making it suitable for larger wrists.

Condition: Pre-owned
Case width: 44mm (without crown)
Band size: fits up to approx 20cm
Movement: automatic 3603

Posted at

Jan 10, 2026, 8:01 PM

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