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.
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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
50

Current Listings

Omega Speedmaster 321 Ed White

Omega Speedmaster 321 Ed White

This Omega Speedmaster 321 Ed White is an original purchase from a US OB in 2023, worn sparingly since.

  • Condition: Good condition with minor scuffs
  • Warranty: includes warranty cards
  • Links: all links included
Posted at
Apr 4, 2025, 6:34 PM
Active
2023 Omega Speedmaster �SNOOPY� 50th Anniversary 310.32.42.50.02.001 BOXES/PAPER

2023 Omega Speedmaster �SNOOPY� 50th Anniversary 310.32.42.50.02.001 BOXES/PAPER

Omega - 310.32.42.50.02.001 · $16,200
This is a 2023 Omega Speedmaster �SNOOPY� 50th Anniversary model, one of the most exclusive pieces in the watch world. It features a stainless steel case with a silver dial and comes with an OEM Omega stainless steel bracelet.

  • Condition: Excellent pre-owned
  • Case diameter: 42mm
  • Water resistance: 50m depth rating
  • Movement type: Manual
Posted at
Apr 4, 2025, 3:06 PM
Active
Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (new / 2025)

Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (new / 2025)

This Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case and is powered by the 3861 Omega Master Chronometer Movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement type: 3861 Omega Master Chronometer
Posted at
Apr 4, 2025, 2:52 PM
Active
Omega Speedmaster Moonwatch Hesalite - 3861 - 310.30.42.50.01.001 (new / 2025)

Omega Speedmaster Moonwatch Hesalite - 3861 - 310.30.42.50.01.001 (new / 2025)

A brand new Omega Speedmaster Moonwatch Professional Hesalite with a stainless steel case and 3861 Omega Master Chronometer movement.

  • Condition: Brand new
  • Case size: 42mm diameter
  • Movement: Omega Master Chronometer
Posted at
Apr 4, 2025, 2:52 PM
Active
>>REDUCED<< OMEGA SPEEDMASTER PROFESSIONAL 1974 Stepped Dial

>>REDUCED<< OMEGA SPEEDMASTER PROFESSIONAL 1974 Stepped Dial

Omega - 145.022 · $3,450
A 1974 Omega Speedmaster Professional with a stepped dial, manual winding chronograph movement (calibre 861), and tritium indices in superb condition.

  • Condition: Very good vintage condition
  • Diameter: 42 mm
  • Bracelet: Omega Speedmaster 1125 bracelet with 516 end links
  • Movement: Manual winding chronograph calibre 861
Posted at
Apr 4, 2025, 2:15 PM
Active
NEW 2021 Omega Speedmaster "Ed White" 39.7mm 311.30.40.30.01.001 Black Dial

NEW 2021 Omega Speedmaster "Ed White" 39.7mm 311.30.40.30.01.001 Black Dial

The Omega Speedmaster 'Ed White' is a nod to the version worn by Ed White, featuring a black step dial and vintage-style applied logo.

  • Condition: New with minor scratches from handling
  • Diameter: 39.7mm
  • Box And Papers: Yes
Posted at
Apr 3, 2025, 11:11 AM
Active
Omega Speedmaster Automatic 3510.50 39mm

Omega Speedmaster Automatic 3510.50 39mm

Omega - 3510.50 · $1,850
a discontinued Omega Speedmaster Reduced model from 1998, featuring an automatic self-winding movement and a black dial with luminous hands and markers.

  • Condition: Good
  • Movement type: Automatic self-winding
  • Crystal material: Hesalite
Posted at
Apr 2, 2025, 3:18 PM
Active
Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (excellent)

Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (excellent)

This Omega Speedmaster Moonwatch Professional is a stainless steel watch with a 42mm case, featuring an Omega Master Chronometer movement.

  • Condition: Excellent
  • Case size: 42mm
  • Movement type: Omega Master Chronometer
Posted at
Apr 2, 2025, 3:09 PM
Active
Omega 31062425099001 Speedmaster Moon watch 18K Yellow Gold

Omega 31062425099001 Speedmaster Moon watch 18K Yellow Gold

Omega - 31062425099001 · $22,795
The Omega Speedmaster Moon watch is a Professional Moonshine model with an 18K yellow gold case on a rubber strap. It features a manual wind movement, 12-hour chronograph, and display caseback.

  • Material: 18K Yellow Gold
  • Movement: Omega caliber 3861
  • Diameter: 42mm
Posted at
Mar 31, 2025, 10:39 PM
Active