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 Professional Moonwatch White Dial Complete Set w/ Box, Papers and Warranty!

Omega - Speedmaster Professional Moonwatch · $6,500

Box: yes, with box and papers
Warranty: still under warranty
Dial: white dial

Posted at

Mar 14, 2026, 5:18 PM

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Omega Speedmaster Moonwatch Sapphire 3861 - full kit bracelet plus leather

Omega - 3861 · $6,490

A Omega Speedmaster Moonwatch Sapphire Sandwich sold as a full kit with both leather and bracelet included.

Condition: Great condition, with some marks on the back of the lugs from strap changes
Warranty: Joma shop warranty until Jan 2028
Strap: Omega leather strap
Bracelet Links: All links included

Posted at

Mar 14, 2026, 4:34 PM

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Omega Speedmaster Moonwatch Professional - 311.30.42.30.01.006 - 42mm - Big Box - Full Set

Omega - 311.30.42.30.01.006 · $5,150

Up for sale is an Omega Speedmaster Moonwatch Professional - 42mm - Big Box - Full Set Watch functions perfectly mechanically, without issue.

Condition: Fantastic condition with minor hairlines on bracelet, clasp, and case
Case size: 42mm
Bracelet condition: minor hairlines

Posted at

Mar 14, 2026, 12:02 PM

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[US] Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

Omega - 311.93.44.51.99.001 · $7,575

A Omega Speedmaster Grey Side Of The Moon, featuring a grey dial and 44mm size.

Condition: great condition, small chip on edge of case back
Case Size: 44mm diameter

Posted at

Mar 14, 2026, 11:34 AM

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Omega Speedmaster Professional 3861 Link - $50

Omega - Speedmaster Professional 3861 Link · $50

Sealed and unopened OEM genuine Omega Speedmaster 3861 Professional replacement link, pin, and collar set received directly from an Omega Boutique.

Origin: directly from Omega Boutique
Shipping: free to CONUS with PayPal Friends+Family

Posted at

Mar 14, 2026, 9:21 AM

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2026 Omega Speedmaster Moonwatch Professional 310.32.42.50.04.002 – Brand New / Partially Stickered

Omega - 310.32.42.50.04.002 · $8,000

A 2026 Omega Speedmaster Moonwatch Professional featuring a white dial, classic case, and black bezel, powered by the Master Chronometer Caliber 3861 manual-wind chronograph movement.

Condition: Brand new / partially stickered with small nick near lower right lug
Case size: 42mm
Movement: Omega Caliber 3861, Master Chronometer
Crystal: Sapphire

Posted at

Mar 13, 2026, 10:42 PM

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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! 🔥$10,000🔥

OMEGA - 311.92.44.30.01.001 · $10,000

The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 is a 44.25mm masterpiece crafted from black ceramic, commemorating the 50th anniversary of the Apollo 8 mission.

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

Posted at

Mar 13, 2026, 8:27 PM

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OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET! 🔥$16,000🔥

OMEGA - 311.30.40.30.01.001 · $16,000

A faithful recreation of the reference 105.003, famously worn by astronaut Ed White during America's first spacewalk, featuring a stainless steel timepiece with a black ceramic bezel and column-wheel chronograph movement.

Condition: UNWORN
Movement: Calibre 321
Diameter: 39.7mm
Case material: stainless steel

Posted at

Mar 13, 2026, 8:17 PM

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Omega Speedmaster Professional “Reverse Panda” 42MM - Ref 310.30.42.50.01.004 (NEW / UNWORN 2026 COMPLETE SET)

Omega - 310.30.42.50.01.004 · $10,800

For sale is a 42MM Omega Speedmaster Professional ‘Reverse Panda’, in true new condition, with all original packaging and documentation.

Condition: new, unworn, unsized
Warranty date: 03/12/2026
Included items: outer sleeve, outer box, inner box, cards, manuals, AD shipping coffin, serialized hangtag, UPC sticker, microfiber, travel case

Posted at

Mar 13, 2026, 3:59 PM

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