Omega Speedmaster Speedmaster Professional Moonwatch SpeedyMoon

Reference ST 345.0809

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.
Buy Now on Jomashop
This is an affiliate link

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
50

Current Listings

[WTS] Omega Tokyo Olympics 'Yellow Ring' Speedmaster 522.20.42.30.01.001

Omega Tokyo Olympics 'Yellow Ring' Speedmaster 522.20.42.30.01.001

This Omega Speedmaster Tokyo Olympics 'Yellow Ring' features a unique design and is in good condition, with watch and box included.

  • Condition: Good condition all around
  • Shipping: Free shipping within the US, possible options for overseas shipping
Posted at
Feb 10, 2025, 9:42 AM
Active
Omega Speedmaster FOIS 31030405006001 First Omega In Space 2024 Soleil Blue

Omega Speedmaster FOIS 31030405006001 First Omega In Space 2024 Soleil Blue

Omega - 31030405006001 · $6,950
A 2024 Omega Speedmaster FOIS in Soleil Blue, purchased at an Omega Boutique and sized to a 7 inch wrist.

  • Condition: Pre-owned, lightly worn
  • Purchase Year: 2024
  • Warranty: No mention of warranty
Posted at
Feb 9, 2025, 9:33 AM
Active
Omega Speedmaster Triple Date Calendar Moonphase 18k Ref. 175.0034

Omega Speedmaster Triple Date Calendar Moonphase 18k Ref. 175.0034

Omega - 175.0034 · $14,950
Omega's Speedmaster Day-Date Moonphase features a white dial, chronograph, date, day, and moon phase functions in an 18K yellow gold case with a size of 39mm.

  • Condition: 90%
  • Case material: 18K Yellow Gold
  • Movement type: Mechanical Automatic
Posted at
Feb 9, 2025, 9:19 AM
Active
2021 OMEGA Speedmaster Racing - 326.30.40.50.01.001326.30.40.50.01.001

2021 OMEGA Speedmaster Racing - 326.30.40.50.01.001326.30.40.50.01.001

A 2021 OMEGA Speedmaster Racing, featuring a 40mm stainless steel case with scratch-resistant sapphire crystal and 100m water resistance.

  • Condition: Like New
  • Case Size: 40mm diameter
  • Material: stainless steel
  • Crystal: scratch-resistant sapphire crystal
Posted at
Feb 7, 2025, 2:14 PM
Active
Omega Speedmaster Racing - White Dial - 329.30.44.51.04.001 ( new / 2025 )

Omega Speedmaster Racing - White Dial - 329.30.44.51.04.001 ( new / 2025 )

This Omega Speedmaster Racing Master Co-Axial features a white dial and stainless steel case.

  • Condition: Brand new
  • Case size: 44.25mm
  • Movement type: Master Co-Axial 9900 Chronometer
Posted at
Feb 6, 2025, 3:28 PM
Active
Omega Speedmaster Professional Man on The Moon 3572.50

Omega Speedmaster Professional Man on The Moon 3572.50

Omega - 3572.50 · $3,995
This Omega Speedmaster Professional Man on the Moon watch is approximately 20 years old, featuring nice patina hour markers and an open case back to view the manual wind movement.

  • Age: around 20 years
  • Case size: 42mm diameter
  • Box included: true
Posted at
Feb 6, 2025, 2:29 PM
Active
Omega SPEEDMASTER PROFESSIONAL MOONWATCH 3861 SAPPHIRE 2023 COMPLETE SET

Omega SPEEDMASTER PROFESSIONAL MOONWATCH 3861 SAPPHIRE 2023 COMPLETE SET

Omega - 31030425001002 · $5,875
A 42mm stainless steel Omega Speedmaster Professional Moonwatch with a 3861 movement and sapphire crystals, purchased from an authorized dealer in 2023.

  • Condition: Excellent Condition
  • Movement: Manual-Winding Chronograph 3861 with Co-Axial Escapement
  • Case size: 42mm
  • Crystals: Sapphire Crystals
Posted at
Feb 5, 2025, 9:18 PM
Active
>>ReDuCeD<< OMEGA SPEEDMASTER PROFESSIONAL PRE-MOON 145.022-69

>>ReDuCeD<< OMEGA SPEEDMASTER PROFESSIONAL PRE-MOON 145.022-69

Omega - 145.022-69ST · $3,650
This is a pre-moon Omega Speedmaster Professional with calibre 861, featuring a 42mm diameter case and generic tan strap.

  • Condition: Good vintage condition
  • Movement: Omega calibre 861
  • Case size: 42mm in diameter
  • Serial number: 29 million from 1970
Posted at
Feb 5, 2025, 2:08 PM
Active
Omega Speedmaster Professional Tokyo 2020 522.30.42.30.03.001

Omega Speedmaster Professional Tokyo 2020 522.30.42.30.03.001

This Omega Speedmaster Professional Tokyo 2020 is in excellent condition and comes with original boxes and books.

  • Condition: Excellent condition
  • Warranty card: no warranty card
Posted at
Feb 5, 2025, 1:07 PM
Active