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 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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Omega Speedmaster Date 40mm 323.30.40.40.06.001 $2200

Omega - 323.30.40.40.06.001 · $2,200

Selling my Omega Speedmaster 40mm, a watch only with bracelet fitting 18.5cm.

Condition: Good
Case size: 40mm diameter
Bracelet length: 18.5cm

Posted at

Dec 29, 2025, 10:36 AM

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[US] Omega Speedmaster Broad Arrow - White Dial - 42mm - 3551.20.00 - Full Set

Omega - 3551.20.00 · $4,175

Up for sale is an Omega Speedmaster Broad Arrow - White Dial - 42mm - Full Set, which functions perfectly mechanically.

Condition: Fantastic condition with minor hairlines
Case Size: 42mm
Box And Papers: true

Posted at

Dec 29, 2025, 7:27 AM

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Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Box/Serviced) 🟤

Omega - 145.022-69 · $15,150

This rare Omega Speedmaster Moonwatch features a period-correct super tropical brown dial, a deep blue bezel, and a professionally serviced movement. The watch has aged attractively and presents even better in person than in photos.

Condition: Beautiful condition with thick, sharp lugs and heavy patina on the dial
Size: 42mm
Year: 1969
Material: Tropical dial with heavy yellow patina and tritium that glows green under UV light

Posted at

Dec 29, 2025, 1:40 AM

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[USA] Omega Speedmaster Professional 'Sapphire Sandwich' (310.30.42.50.01.002) – 2025 Like-New Complete Set 🚨$6,795🚨

Omega - 310.30.42.50.01.002 · $6,795

A timeless icon, the Omega Speedmaster Professional 'Sapphire Sandwich', powered by Calibre 3861, is offered as a complete set with box, warranty cards, serial tag, and art manual. Originally dated August 2025, it remains covered under Omega's 5-year factory warranty.

Condition: Mint, like-new
Movement: Calibre 3861
Year: 2025
Warranty: 5-year factory warranty through August 2030

Posted at

Dec 28, 2025, 10:27 PM

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1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

Omega - 3590.50 · $4,099

This Omega Speedmaster Moonwatch is a 1991 model with caliber 861 movement and tritium dial and hands. The watch comes with an extract from the Omega archives matching its serial number and a vintage poster.

Condition: Excellent vintage condition, unpolished
Movement: Caliber 861
Serial number: 482774XX
Bracelet size: 6.8"

Posted at

Dec 28, 2025, 6:37 PM

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Omega Speedmaster Pilot Master Chronometer 40.5mm 332.10.41.51.01.002 Automatic

Omega - 332.10.41.51.01.002 · $7,600

This Omega Speedmaster Pilot Automatic watch is a recent release that embodies a tool watch with an unique look and feel, inspired by the 1957 original.

Condition: excellent plus preowned
Case Diameter: 40.8mm
Water Resistance Depth: 100m
Movement Power Reserve: 60 hrs

Posted at

Dec 27, 2025, 10:42 PM

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Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET

Omega - 311.92.44.30.01.001 · $7,850

This Omega Speedmaster Dark Side of the Moon features a full-ceramic case and buckle.

Condition: Mint, like-new
Case material: full-ceramic
Payment methods: Zelle, Venmo, or Western Union

Posted at

Dec 27, 2025, 8:35 PM

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[EU] Omega Speedmaster Olympic games Beijing

Omega - 323.10.40.40.04.001 · $1,800

This Omega Speedmaster Olympic games Beijing is an automatic chronograph with a white dial and tachymeter bezel, featuring 50m water resistance. It comes in a stainless steel case size of approx. 39mm.

Condition: Good - scratches on bezel, scratches on crystal, dents under bezel, small chip on sapphire crystal
Case size: 39mm diameter
Movement type: Automatic
Complications: Chronograph

Posted at

Dec 27, 2025, 2:00 PM

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