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 (FOIS) Ref. 311.32.40.30.01.001 Full Set + 2 Extra OEM Bracelets

Omega - 311.32.40.30.01.001 · $4,430

This Omega Speedmaster (FOIS) Ref. 311.32.40.30.01.001 is a full set with two extra OEM bracelets, featuring a manual wind Omega Caliber 1861 movement and a 39.7mm case size.

Condition: Very good overall condition
Case Size: 39.7mm
Movement: Omega Caliber 1861, manual wind
Year: 2018

Posted at

Dec 30, 2025, 12:30 AM

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OMEGA Speedmaster reduced 3513.50 $2200

OMEGA - 3513.50 · $2,200

For sale is a beautiful Omega Speedmaster reference 3513.50 in excellent condition, with a small speck on the bezel.

Condition: Excellent with minor bezel imperfection
Size: 40mm diameter

Posted at

Dec 29, 2025, 11:13 PM

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PRICED TO SELL - Omega Speedmaster “The 1957 Trilogy” 60th Anniversary Limited Edition 311.10.39.30.01.001 - With accessories - repost

Omega - 311.10.39.30.01.001 · $6,650

This Omega Speedmaster is the 'The 1957 Trilogy' 60th Anniversary Limited Edition, coming with various accessories.

Condition: Excellent pre-owned condition
Accessories included: booklets, straps, strap changer, travel case, tag, double box, undated card

Posted at

Dec 29, 2025, 8:51 PM

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OMEGA SPEEDMASTER PROFESSIONAL SAPPHIRE SANDWICH 311.30.42.30.01.006

Omega - 311.30.42.30.01.006 · $4,850

A pre-owned Omega Speedmaster Professional Moonwatch 'Sapphire Sandwich' reference number 311.30.42.30.01.006, featuring a hand-winding mechanical movement with a power reserve of approximately 48 hours.

Condition: Pre-owned with minimal signs of wear
Movement: Omega Calibre 1863; Hand-winding mechanical movement with approximately 48 hours power reserve
Case: 42mm steel case with Black PVD Ring showing Tachymeter Markings
Crystal: Domed, scratch-resistant sapphire crystal with anti-reflective treatment inside

Posted at

Dec 29, 2025, 6:06 PM

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Omega Speedmaster Reduced - 39mm Two Tone - Ref 175.0033

Omega - 175.0033 · $2,895

A beautiful Omega Speedmaster Reduced with a white dial, this watch is running well with all functions working as they should.

Condition: great vintage condition
Case size: 39mm
Bezel and case wear: light hairlines
Strap type: high quality leather AM strap from Casanova

Posted at

Dec 29, 2025, 5:06 PM

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OMEGA SPEEDMASTER 1957 Trilogy 311.10.39.30.01.001 Full Set

OMEGA - 311.10.39.30.01.001 · $5,900

A 2017 Omega Speedmaster 1957 Trilogy issued in near-mint condition, comes with three bands.

Condition: Near-mint
Year: 2017
Bands: 3
Material: leather,NATO,stainless steel

Posted at

Dec 29, 2025, 2:58 PM

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Omega Speedmaster Moonphase Blue Dial 44.25mm Full Set

Omega - 44.25 mm Speedmaster Moonphase · $7,494

This Omega Speedmaster features a blue dial and the moonphase complication at 6 o'clock, powered by Omega's Co-Axial Master Chronometer movement.

Condition: very good condition
Movement: Co-Axial Master Chronometer
Case Size: 44.25mm

Posted at

Dec 29, 2025, 1:36 PM

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Omega Speedmaster “First Omega In Space” Numbered Edition - Near Mint Condition

Omega - 311.32.40.30.01.001 · $4,450

This Omega Speedmaster Anniversary Series is a discontinued 'First Omega in Space' Numbered Edition, inspired by the watch worn by astronaut Wally Shirra during the 'Sigma 7' mission in 1962.

Condition: Near mint (9.5/10)
Case diameter: 39.7mm
Thickness: 14mm
Crystal type: scratch-resistant sapphire crystal with AR coating

Posted at

Dec 29, 2025, 12:20 PM

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Omega Speedmaster 3523.80.00 - $1800

A used Omega Speedmaster 3523.80.00 in very good condition, kept time well but requires service.

Posted at

Dec 29, 2025, 12:15 PM

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