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 57 - $5800

Omega Speedmaster 57 - $5800

Up for grabs is a super nice Omega Speedmaster 57 manual wind, comes with full kit and original sales receipt.

  • Condition: Super good with some scuffing on the case and clasp
  • Year Bought: 2022
Posted at
Nov 26, 2025, 4:12 PM
Active
[WTS] New Omega Speedmaster "Sapphire Sandwich" Nov 2025 Card - Unworn Complete Set

New Omega Speedmaster "Sapphire Sandwich" Nov 2025 Card - Unworn Complete Set

This iconic Omega Speedmaster Moonwatch Professional 'Sapphire Sandwich' is an absolute must-have for any watch collector, available in a brand new and complete set.

  • Condition: Unworn
  • Case size: 42mm
  • Clasp type: micro adjust
Posted at
Nov 26, 2025, 3:19 PM
Active
[WTS] Omega Speedmaster Day Date Blue Dial 3523.80 Automatic $1800

Omega Speedmaster Day Date Blue Dial 3523.80 Automatic $1800

Omega - 3523.80 · $1,800
A Speedmaster Day Date with a blue dial, automatic movement, and 39mm case size.

  • Condition: Mint
  • Case Size: 39mm diameter
Posted at
Nov 26, 2025, 12:59 PM
Active
[WTS] Omega Speedmaster Triple Date Day Date 3222.80 Blue Dial 40mm $2,500

Omega Speedmaster Triple Date Day Date 3222.80 Blue Dial 40mm $2,500

Omega - 3222.80 · $2,500
A Omega Speedmaster Triple Date with blue dial and 40mm case size, selling in excellent condition.

  • Condition: Freshly polished, running a bit fast
  • Case size: 36mm diameter
  • Movement accuracy: running a bit fast (according to timegrapher numbers)
  • Shipping fees covered: import tax and tariffs by seller
Posted at
Nov 26, 2025, 12:49 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Chronograph Cal. 321 Full Steel Heavy Patina 1965 (Unpolished)

Omega Speedmaster Professional Moonwatch Chronograph Cal. 321 Full Steel Heavy Patina 1965 (Unpolished)

Omega - 105.012-65 · $10,475
A very rare and completely original Omega Speedmaster Ref. 105.012-65 chronograph in never-polished condition. The case retains its factory finish with exceptionally thick, sharp lugs, having never been touched up or restored.

  • Condition: Never-polished, original condition with patina
  • Case finish: Factory finish with exceptionally thick, sharp lugs
  • Dial color: Black tritium step dial
  • Bezel condition: Excellent condition, black service bezel
Posted at
Nov 26, 2025, 12:19 PM
Active
[WTS] *Price Reduction* Omega Speedmaster Professional White Dial Full Set on Speedmaster '57 Flat Link Bracelet

*Price Reduction* Omega Speedmaster Professional White Dial Full Set on Speedmaster '57 Flat Link Bracelet

A Speedmaster Professional White Dial paired with a flat link bracelet, reminiscent of the original 1957 Speedmaster.

  • Bracelet style: flat link
  • Snail trails on clasp: true
Posted at
Nov 26, 2025, 11:54 AM
Active
[WTS][US] Omega Speedmaster Silver Snoopy - 50th Anniversary - 310.32.42.50.02.001 - Full Set - BRAND NEW

[US] Omega Speedmaster Silver Snoopy - 50th Anniversary - 310.32.42.50.02.001 - Full Set - BRAND NEW

Omega - 310.32.42.50.02.001 · $14,800
This Omega Speedmaster Silver Snoopy - 50th Anniversary edition is a brand new watch that comes with its full set including the watch, box, manuals, and other accessories.

  • Condition: Brand new, unworn
  • Water resistance: 30m
Posted at
Nov 26, 2025, 8:13 AM
Active
[WTS][US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002

[US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002

Up for sale is an Omega Speedmaster Chronoscope - White Panda Dial - 43mm, which functions perfectly mechanically without issue.

  • Condition: Fantastic with minor hairlines
  • Case Diameter: 43mm
Posted at
Nov 26, 2025, 7:59 AM
Active
[WTS] OMEGA Speedmaster Racing 326.30.40.50.06.001, Full Set, 2025

OMEGA Speedmaster Racing 326.30.40.50.06.001, Full Set, 2025

This Omega Speedmaster reference 326.30.40.50.06.001 is a stunning example of precision, sporty elegance, and iconic Speedmaster heritage, featuring a 40mm case size with a grey dial and vibrant accents.

  • Condition: Excellent
  • Case size: 40mm
  • Bracelet material: stainless steel
  • Dial color: grey
Posted at
Nov 25, 2025, 8:54 AM
Active