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

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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Omega Speedmaster. 39mm. Sapphire. 3539.50. 🔥

Omega - 3539.50 · $3,275

This Omega Speedmaster is a 39mm automatic watch with a sapphire crystal, available for sale.

Case size: 39mm diameter
Crystal type: sapphire

Posted at

Dec 27, 2025, 10:01 AM

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Omega Speedmaster Racing Panda. Full set. Unworn bracelet. Extra OEM straps. Warranty 2026. $7500 obo

Omega - Speedmaster · $7,500

A Omega Speedmaster Racing Panda with a full set, unworn bracelet, extra OEM straps and warranty until 2026 for sale.

Warranty Expiration Year: 2026

Posted at

Dec 26, 2025, 9:03 PM

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🔥OMEGA SPEEDMASTER SAPPHIRE SANDWICH BRAND NEW 12/2025 COMPLETE🔥

OMEGA - 310.30.42.50.01.002 · $7,300

This listing is for a brand new OMEGA Speedmaster Sapphire Sandwich, dated December 2025.

Condition: BRAND NEW/UNWORN
Case size: 42mm diameter
Material: Stainless Steel

Posted at

Dec 26, 2025, 4:38 PM

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Omega Speedmaster Moonwatch Professional 3861 Sapphire 310.30.42.50.01.002 – Full Set – $6,500

Omega - 3861 Sapphire 310.30.42.50.01.002 · $6,500

A newer Omega Speedmaster Moonwatch Professional, purchased in April 2023 and worn sparingly since.

Condition: Excellent with minor scratches and swirling on polished surfaces
Case material: Sapphire crystal
Bracelet: Micro adjust

Posted at

Dec 26, 2025, 3:27 PM

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Omega Speedmaster. Broadarrow. 🔥

Omega - Speedmaster · $3,495

This is an Omega Speedmaster with a broadarrow design, known for its clean and strong lume. It features additional details such as a photo timestamp, which can be viewed on the provided dropbox link. The watch is located in NJ USA and the seller is open to facetime calls to showcase the timepiece.

Lume quality: strong

Posted at

Dec 26, 2025, 2:11 PM

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