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

OEM OmegaSpeedmaster Moonwatch Black Rubber Strap and Deployant Clasp - $575

Omega - 032Z017245 · $575

Additional Details: Selling my rubber strap and deployant clasp for the Omega Speedmaster as I rarely use it since I prefer the bracelet.

Origin: purchased direct from an Omega boutique
Original Accessory: yes, OEM

Posted at

Feb 1, 2026, 12:49 PM

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Omega Speedmaster Professional (310.30.42.50.01.002)

Omega - 310.30.42.50.01.002

Posted at

Feb 1, 2026, 12:36 PM

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Omega Speedmaster “Ed White” Cal. 321 Tropical Dial Heavy Patina (Serviced)

Omega - 105.003-65 · $9,850

This Omega Speedmaster Ed White Ref. 105.003-65 is an original and period correct watch from 1965, featuring a stunning brown tropical dial with rich patina.

Condition: Very good condition
Case size: 39mm diameter
Year: 1965
Dial type: Tropical dial

Posted at

Feb 1, 2026, 11:14 AM

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Omega Speedmaster Dark Side of the Moon "Vintage"

Omega - 311.92.44.51.01.006 · $6,700

This Omega Speedmaster Dark Side of the Moon Vintage Edition is a rare and no longer made version that features a black ceramic case.

Condition: nearly perfect
Movement Accuracy: +0s/day
Case Dimensions: 44mm diameter, 49mm lug-to-lug
Watch Weight: 99 grams

Posted at

Feb 1, 2026, 9:54 AM

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Omega Speedmaster Schumacher MK40 Cartoon Ref : 3520.53.00 Condition Good Price : 3100$

Omega - 3520.53.00 · $3,100

This Omega Speedmaster Schumacher MK40 is a 39mm grey dial watch featuring the caliber 1151 movement.

Condition: Good
Size: 39mm case diameter
Dial Color: grey

Posted at

Jan 31, 2026, 10:23 PM

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Omega Speedmaster Professional, White Lacquer Dial - Full Set - $7200

Omega - 310.30.42.50.05.001 · $7,200

This Omega Speedmaster Professional features a white lacquer dial and is accompanied by a full set of accessories.

Condition: 10/10, brand new in box (BNIB)
Movement: Master Chronometer Omega Cal. 3861
Case size: 42mm

Posted at

Jan 31, 2026, 8:00 PM

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Omega Speedmaster $1800

Omega - Speedmaster · $1,800

A Speedmaster watch is being sold for $1800. The watch is a well-known model from Omega. It ships only in the US, implying it may not be available internationally.

Shipping restrictions: ships only in the US

Posted at

Jan 31, 2026, 7:09 PM

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Omega Speedmaster 3861 Sapphire Sandwich with Ceramic Bezel

Omega - 3861 · $6,600

A classic Omega Speedmaster 3861 Sapphire Sandwich in excellent condition, featuring a ceramic bezel and micro-adjust clasp. It's perfect for everyday wear.

Condition: Fantastic, with only some very light marks from wear
Case material: Sapphire Sandwich
Bezel: Ceramic, upgrade from Spiralwinder

Posted at

Jan 31, 2026, 5:38 PM

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