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

[US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW

Omega - 310.30.42.50.01.004 · $10,750

This Omega Speedmaster Moonwatch Professional features a 42mm case and is in full set with its original box, papers, and accessories.

Condition: Brand new, unworn, and in pristine condition
Case size: 42mm diameter
Movement type: mechanical

Posted at

May 4, 2026, 7:32 AM

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Nicest Example Out There??? Rare Vintage 18K Gold Omega Speedmaster “Tribute to Astronauts” Ref BA145.022 Unpolished Collector Grade!

Omega - BA145.022-69 · $47,500

This is a rare vintage 18K gold Omega Speedmaster 'Tribute to Astronauts' ref BA145.022 Unpolished Collector Grade watch, one of only 1014 made starting in November of 1969.

Condition: Collector grade, unpolished all original with incredible patina forming on the gold
Case size: 42mm
Diameter: 42mm
Bezel condition: Correct DON (dot over 90) maroon bezel with light wear mostly seen on the edge

Posted at

May 3, 2026, 10:31 PM

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Omega Speedmaster Reduced 3510.21 Limited Edition (2,000 Pcs) Marui 39mm , B&P - $5,550

Omega - 3510.21 · $5,550

Up for sale is my Omega Speedmaster 3510.21, a limited edition watch with only 2,000 pieces produced. It measures 39mm and features an automatic movement.

Condition: Very good condition
Case size: 39mm diameter
Movement type: Automatic

Posted at

May 3, 2026, 8:39 PM

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3510.50 Omega Reduced Speedmaster Excellent vintage condition with original warranty card Serviced recently

Omega - 3510.50 · $2,999

This is a 26-year-old Omega Reduced Speedmaster in excellent overall condition, with a jet black dial and even lume application. The watch has been recently serviced and comes with the original warranty card.

Condition: Excellent vintage condition
Warranty Card Origin: Kimuraya in Yokohama, Japan
Service History: Recently serviced
Timegrapher Results: Deadman's line on timegrapher, 300 amplitude, all zeros without a single blimp out of place

Posted at

May 3, 2026, 8:27 PM

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Omega Speedmaster Apollo 17

Omega - Apollo 17 · $8,500

This is a rare Omega Speedmaster with only 1972 pieces ever made. It has no major marks, except for some scuffing on the AR.

Condition: good
Production Run: only 1972 pieces ever made
Wrist Fits: 7.3 inches

Posted at

May 3, 2026, 7:38 PM

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Omega Speedmaster Reduced 3510.50 — 2002 Full Set

Omega - 3510.50

Condition: Full Set

Posted at

May 3, 2026, 4:59 PM

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Omega Speedmaster Professional Moonwatch Hesalite 3861 — 2022

Omega - 3861 · $60,000

a luxury watch, Omega Speedmaster Professional Moonwatch Hesalite edition from 2022

Year: 2022

Posted at

May 3, 2026, 4:44 PM

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Omega Speedmaster Moonphase 2024 Complete Set Blue Ceramic Mint Condition

Omega - Speedmaster Moonphase 2024 · $7,915

The Omega Speedmaster Moonphase is a modern execution of the flagship model, featuring full blue ceramic construction and a stunning dial. It's lightweight, technical, and visually unique in the Speedmaster lineup. The watch feels special on the wrist.

Condition: Mint Condition
Case material: Blue Ceramic
Dial color: stunning

Posted at

May 3, 2026, 2:12 PM

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