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. 39mm. MK40. Full Kit.

Omega - MK40 · $2,295

The Omega Speedmaster MK40 is a 39mm triple date watch, sold with its full kit box and papers.

Size: 39mm diameter
Shipping: $ shipping + Fedex with insurance
Location: NJ USA

Posted at

Dec 13, 2025, 10:53 AM

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

Omega - 311.10.39.30.01.001

Posted at

Dec 13, 2025, 5:19 AM

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Stunning 1999 Omega Speedmaster Day-Date 3520.53 – Box & Papers (No card)

Omega - 3520.53 · $2,800

This is a 1999 Omega Speedmaster Day-Date, a beautiful watch with all functions tested and working correctly. The overall condition is very good, showing normal wear consistent with age.

Condition: Very good
Case size: 40mm diameter
Water resistance: 30m depth rating

Posted at

Dec 12, 2025, 8:24 PM

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- 2006 Omega SpeedMaster 3551.20 Chronograph Automatic Date - $3800

Omega - 3551.20 · $3,800

A 2006 Omega Speedmaster Broad Arrow 42mm stainless steel chronograph automatic date watch in excellent condition, featuring a white dial and blue hands.

Condition: Excellent shape with light wear from normal use
Case size: 42mm diameter
Bracelet length: up to 7 inches (17.8 cm)

Posted at

Dec 12, 2025, 4:48 PM

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Omega Speedmaster Broad Arrow 42mm 1957 on Forstner Bullet - Full Kit 09/2012 - Fantastic Condition - Speedy Proportions but Automatic + 100m WR

Omega - 1957 coaxial automatic chronograph Broad Arrow 42mm · $4,300

This Omega Speedmaster Broad Arrow 1957 is a coaxial automatic chronograph with great proportions, offering the functionality of an automatic watch.

Condition: Fantastic Condition
Case size: 42mm
Bracelet: Full kit + Forstner Bullet Bracelet

Posted at

Dec 12, 2025, 4:24 PM

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Omega Speedmaster Racing 44mm Black/Orange perforated lthr strap on deployant clasp - 2020 complete set

Omega - 329.32.44.51.01.001 · $5,883

This Omega Speedmaster Racing features a black micro-perforated leather racing strap with orange rubber lining and an Omega folding deployant clasp, powered by the Caliber 9900 Master Chronometer movement.

Condition: like-new
Movement caliber: 9900 Master Chronometer movement - Co-Axial, anti-magnetic, column-wheel chronograph
Strap type: factory black micro-perforated leather racing strap with orange rubber lining
Case size: 44mm diameter

Posted at

Dec 12, 2025, 3:54 PM

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[WTS] Omega Speedmaster Broad Arrow Olympics Games 42mm Coaxial Automatic Chronograph + Blue Spiralwinder Ceramic Bezel + Forstner Contemporary Flat Link - Only $3200 shipped CONUS

Omega Speedmaster Broad Arrow Olympics Games 42mm Coaxial Automatic Chronograph + Blue Spiralwinder Ceramic Bezel + Forstner Contemporary Flat Link - Only $3200 shipped CONUS

Omega - Speedmaster Broad Arrow Olympics Games · $3,200

This Omega Speedmaster features a contemporary blue ceramic bezel and the Forstner flat link bracelet, with the same dimensions as the Moonwatch. It has a F. Piguet derived automatic chronograph, date display, and 4hz sweeping seconds hand.

Condition: Great condition
Case Size: 42mm
Water Resistance: 100m
Bracelet Material: OEM Forstner contemporary flat link

Posted at

Dec 12, 2025, 3:52 PM

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2019 Omega Speedmaster Professional

Omega - 311.30.42.30.01.005 · $4,999

The Omega Speedmaster Professional, also known as the Moonwatch, is a legendary chronograph powered by the hand-wound Caliber 1861. It blends space heritage with timeless style and comes in various case sizes.

Condition: Excellent Condition, 8/10 (some wear on clasp and case)
Warranty card date: 02/2019
Case size: 42mm diameter
Extra band: true

Posted at

Dec 12, 2025, 3:29 PM

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Omega Speedmaster Professional Sapphire 2025 complete - 310.30.42.50.01.002 $6500

Omega - 310.30.42.50.01.002 · $6,500

This Omega Speedmaster Professional Sapphire is a complete 2025 model, featuring a clean bezel and crystal, excellent overall shape, and includes full set accessories.

Condition: pre-owned with very light wear
Box status: inner and outer box
Papers: warranty dated 07/25/25
Links: full links

Posted at

Dec 12, 2025, 1:13 PM

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