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 PROFESSIONAL MOONWATCH WHITE DIAL 2024 WARRANTY FULL SET

Omega SPEEDMASTER PROFESSIONAL MOONWATCH WHITE DIAL 2024 WARRANTY FULL SET

Omega - 31030425004001 · $7,425.007
New 2024 Model 42mm Omega Speedmaster Professional Moonwatch Stainless Steel with White Dial & Sapphire Crystals. Manual-Winding Chronograph 3861 Movement with Co-Axial Escapement.

  • Condition: Unpolished, Excellent condition
  • Movement: Manual-winding chronograph 3861
  • Crystals: Sapphire crystals
  • Diameter: 42mm
Posted at
May 6, 2025, 10:15 AM
Active
[WTS] Omega Speedmaster Dark Side of the Moon Apollo 8 Full Set 311.92.44.30.01.001

Omega Speedmaster Dark Side of the Moon Apollo 8 Full Set 311.92.44.30.01.001

Up for sale is a Omega Speedmaster Moonwatch - Dark Side of the Moon - Apollo 8, a unique and collectible watch model.

  • Condition: Excellent condition with no signs of wear
  • Year: 2019
  • Contents: Watch, Inner & Outer Box, International Warranty Card, Pictograms Card, Card Holder, Operating Instructions Manual, Omega Watch Cloth
Posted at
May 6, 2025, 9:49 AM
Active
[WTS][US] Omega Speedmaster '57 - Blue Dial - 40.5mm - 332.10.41.51.03.001 - Full Set

[US] Omega Speedmaster '57 - Blue Dial - 40.5mm - 332.10.41.51.03.001 - Full Set

Omega Speedmaster '57 - Blue Dial - 40.5mm. Functions perfectly mechanically without issue. Includes full set of accessories.

  • Condition: Fantastic condition with minor hairlines on clasp, case, and bracelet
  • Case size: 40.5mm diameter
Posted at
May 6, 2025, 9:44 AM
Active
[WTS][US] Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set - BRAND NEW

[US] Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set - BRAND NEW

This Omega Speedmaster Moonwatch Professional features a white dial and is fully set, including its box, historical booklet, user manual, microfiber cloth, serialized case back sticker, and triple cards.

  • Condition: Brand new and unworn
  • Case Condition: Pristine
  • Clasp Condition: Zero hairlines
  • Bracelet Condition: Zero hairlines
Posted at
May 6, 2025, 9:34 AM
Active
[WTS] 2023 OMEGA Speedmaster Anniversary Series Silver Snoopy 310.32.42.50.02.001

2023 OMEGA Speedmaster Anniversary Series Silver Snoopy 310.32.42.50.02.001

OMEGA - 310.32.42.50.02.001 · $15,749
The Omega Speedmaster Snoopy is a tribute to space exploration history, featuring an iconic blue enamel dial with Snoopy as an astronaut and a stunning silver medallion on the case back.

  • Condition: Excellent
  • Case materials: Stainless steel
  • Dial material: Blue enamel
  • Band: Strap and Bracelet included
Posted at
May 6, 2025, 9:33 AM
Active
[WTS] New 2025 Omega Speedmaster Moonwatch Professional Sapphire Black Dial Full 4/25 Ref: 310.30.42.50.01.002

New 2025 Omega Speedmaster Moonwatch Professional Sapphire Black Dial Full 4/25 Ref: 310.30.42.50.01.002

This Omega Speedmaster Moonwatch Professional features a black lacquered dial, manual wind movement, and a 42mm size.

  • Condition: 10/10, unworn with stickers
  • Size: 42mm diameter
  • Water resistance: 50m depth rating
  • Movement: 3861 movement
Posted at
May 6, 2025, 7:47 AM
Active
[WTS] Omega Speedmaster racing 326.30.40.50.01.001 w box & papers.

Omega Speedmaster racing 326.30.40.50.01.001 w box & papers.

The Omega Speedmaster Racing 326.30.40.50.01.001 is a timepiece that blends iconic design, cutting-edge technology, and everyday versatility.

  • Box: true
  • Papers: true
Posted at
May 6, 2025, 12:10 AM
Active
[WTS] OMEGA Speedmaster Racing Chronograph 44.25mm Black Dial 329.32.44.51.01.001 Full Set

OMEGA Speedmaster Racing Chronograph 44.25mm Black Dial 329.32.44.51.01.001 Full Set

This OMEGA Speedmaster Racing Chronograph features a black dial with orange accents, stainless steel case, and automatic mechanical movement.

  • Condition: Very nice preowned condition with light scratches on the case and buckle.
  • Case Material: Stainless Steel
  • Bezel: Stainless Steel
  • Dial: Black with Orange Accents
Posted at
May 5, 2025, 8:13 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)

Omega - 310.30.42.50.01.002 · $6,450.006
A brand new Omega Speedmaster Moonwatch Professional Sapphire with Adjustable Clasp, featuring a 42mm stainless steel case and the 3861 Omega Master Chronometer Movement.

  • Condition: Brand New
  • Case size: 42mm diameter
  • Movement: Omega Master Chronometer Movement
Posted at
May 5, 2025, 3:58 PM
Active