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

[WTS] Omega Speedmaster Sapphire Sandwich 1863 - $3800

Omega Speedmaster Sapphire Sandwich 1863 - $3800

Omega - 1863 · $3,800
A classic watch that works in any situation, comes as watch only, and fits up to 7.5" wrist.

  • Condition: Excellent, works as expected
  • Wrist size compatibility: up to 7.5 inches
Posted at
May 6, 2025, 10:45 PM
Active
Omega Speedmaster Moonphase Two Tone

Omega Speedmaster Moonphase Two Tone

Omega - 175.0038 · $2,950.003
A beautiful Omega Speedmaster triple date, two tone, moon phase watch with a silky white dial and gold bezel.

  • Condition: Good condition with normal wear on the case and bezel
  • Case size: 39mm diameter
  • Movement: Cal 1152
  • Accessories: None
Posted at
May 6, 2025, 10:17 PM
Active
[WTS] Omega Speedmaster Moonphase Two Tone

Omega Speedmaster Moonphase Two Tone

Omega - 175.0038 · $2,950
A beautiful Omega Speedmaster triple date, two tone, moon phase watch with a silky white dial and gold bezel.

  • Condition: overall good condition for its age with some normal wear on the case and bezel
  • Movement: Cal 1152
  • Case size: 39mm diameter
Posted at
May 6, 2025, 10:00 PM
Active
[WTS] Omega Speedmaster Triple Date 3521.30

Omega Speedmaster Triple Date 3521.30

Omega - 3521.30 · $1,700
This Omega Speedmaster Triple Date features a white dial, 3 date complication, and is one of the reduced versions of the speed master.

  • Condition: Very good condition for its age with some normal wear on the case bezel and bracelet
  • Movement: 1150
  • Size: 39mm
  • Accessories: N/A
Posted at
May 6, 2025, 9:54 PM
Active
[WTS] Omega Speedmaster Professional Sapphire 1863 311.30.42.30.01.006 - $4,150

Omega Speedmaster Professional Sapphire 1863 311.30.42.30.01.006 - $4,150

This Omega Speedmaster Moonwatch Professional is a 42mm watch that functions perfectly mechanically and comes in amazing condition.

  • Condition: Amazing condition
  • Bracelet size fits wrist: 6.5 inches
Posted at
May 6, 2025, 7:37 PM
Active
Omega Speedmaster ’57 331.10.42.51.01.002

Omega Speedmaster ’57 331.10.42.51.01.002

Omega - 331.10.42.51.01.002 · $5,670.006
This Omega Speedmaster '57 Co-Axial Chronograph features a 41.5mm stainless steel case, black dial with twin-register chronograph layout, and is powered by Omega's in-house Co-Axial calibre 9300 movement.

  • Condition: Excellent pre-owned condition
  • Case size: 41.5mm diameter
  • Movement: Co-Axial calibre 9300 with 60-hour power reserve
  • Bracelet material: stainless steel
Posted at
May 6, 2025, 5:15 PM
Active
[WTS] Omega Speedmaster Professional 3590.50 - $3495 Shipped ✈️

Omega Speedmaster Professional 3590.50 - $3495 Shipped ✈️

Omega - 3590.50 · $3,495
This Omega Speedmaster Professional features a Tritium dial and Cal 861 movement, with all functions working well.

  • Condition: Excellent (Watch runs well, all functions work)
  • Size: 7.5 inch wrist size
  • Location: Conus (USA)
Posted at
May 6, 2025, 5:12 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch ( 310.30.42.50.01.001 ) - Full Kit - Reduced

Omega Speedmaster Professional Moonwatch ( 310.30.42.50.01.001 ) - Full Kit - Reduced

This Omega Speedmaster Professional is a 42mm watch with a full kit. It has been used but is in great condition, with some small scratches around the watch and on the bracelet.

  • Condition: Great condition, some small scratches
  • Bracelet condition: Little to no scratches
  • Payment methods: Bank Wire, paypal f&f
Posted at
May 6, 2025, 5:04 PM
Active
[WTS] Omega Speedmaster Reduced 3511.12 Yellow JAPAN 🇯🇵 EXCLUSIVE

Omega Speedmaster Reduced 3511.12 Yellow JAPAN 🇯🇵 EXCLUSIVE

Omega - 3511.12 · $2,275
Additional Details: Omega Speedmaster Reduced, watch comes with box and booklet, 7" bracelet

  • Bracelet length: 7 inch
  • Box and papers included: yes
Posted at
May 6, 2025, 4:31 PM
Active