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] 2023 Omega Speedmaster Moonwatch Professional Moonwatch Hesalite 310.30.42.50.01.001 Full Set + Extras

2023 Omega Speedmaster Moonwatch Professional Moonwatch Hesalite 310.30.42.50.01.001 Full Set + Extras

Omega - 310.30.42.50.01.001 $6,499
A 2023 Omega Speedmaster Moonwatch Professional Moonwatch Hesalite, featuring a great kit with $1000 worth of extras.

  • Condition: good preowned condition
  • Extras: $1000 worth of extra items including a black rubber strap with deployant clasp and a black fabric strap
  • Case Condition: some lights marks on the hesalite seen in certain lighting and some normal wear on the case
Posted at
Mar 22, 2026, 6:34 AM
Active
[WTS] Omega Speedmaster Professional Moonwatch Hesalite 311.30.42.30.01.005

Omega Speedmaster Professional Moonwatch Hesalite 311.30.42.30.01.005

Omega - 311.30.42.30.01.005 $4,399
This is an Omega Speedmaster Professional Moonwatch with a Hesalite crystal and 42mm case size. It comes with box, papers, straps, and accessories.

  • Crystal: Hesalite
  • Bracelet length: 7.5 inches
Posted at
Mar 21, 2026, 7:29 PM
Active
[WTS] OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 馃敟$10,000馃敟

OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 馃敟$10,000馃敟

OMEGA - 311.92.44.30.01.001 $10,000
The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 commemorates the 50th anniversary of the Apollo 8 mission, featuring a black ceramic case and a skeletonized dial with laser-ablated lunar surface details.

  • Condition: UNWORN
  • Case material: black ceramic
  • Diameter: 44.25mm
Posted at
Mar 21, 2026, 7:12 PM
Active
[WTS] Omega Speedmaster 3210.50 Black Dial $2,099

Omega Speedmaster 3210.50 Black Dial $2,099

Omega - 3210.50 $2,099
The Omega Speedmaster Date is a 40mm stainless steel automatic chronograph with a black dial and tachymeter bezel, featuring a sporty, classic look.

  • Condition: good pre-owned condition
  • Case Size: 40mm diameter
  • Lug To Lug: 45mm
  • Lug Width: 19mm
Posted at
Mar 21, 2026, 4:44 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch White Dial Complete Set w/ Box, Papers and Warranty!

Omega Speedmaster Professional Moonwatch White Dial Complete Set w/ Box, Papers and Warranty!

Omega - 145.022-69ST $8,500
a pre-owned Omega Speedmaster Professional Moonwatch with a white dial, complete set including box and warranty.

  • Box: yes, with original box
  • Papers: yes, including papers and warranty
  • Warranty: still under warranty
Posted at
Mar 21, 2026, 3:45 PM
Active
[WTS] Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

Omega - 311.93.44.51.99.001 $7,550
Up for sale is an Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm.

  • Condition: Great, with minor chip on edge of case back
  • Case size: 44mm diameter
  • Clasp material: titanium ceramic
Posted at
Mar 21, 2026, 11:58 AM
Active
[WTS] Omega Speedmaster Date 3513.50 $1,800

Omega Speedmaster Date 3513.50 $1,800

Omega - 3513.50 $1,800
The Omega Speedmaster Date 3513.50 features a deep sunburst textured black dial with a classic polished bezel, powered by the Omega 1152, Valjoux 7750 date automatic chronograph.

  • Condition: Preowned - Good
  • Case Diameter: 39mm
Posted at
Mar 21, 2026, 9:51 AM
Active
[WTS] Omega Speedmaster Date 3210.50.00

Omega Speedmaster Date 3210.50.00

Omega - 3210.50.00 $2,100
This Omega Speedmaster Date is in excellent condition, featuring a chronograph function and a bracelet with 7 removable links.

  • Condition: Excellent condition
  • Bracelet length: 7.5"
  • Links: 7
  • Shipping: shipped and insured within the U.S.
Posted at
Mar 21, 2026, 9:41 AM
Active
[WTS] 20mm Black Omega Speedmaster Rubber Strap and Deployant Clasp

20mm Black Omega Speedmaster Rubber Strap and Deployant Clasp

Omega - Speedmaster $499
Up for sale is this extremely comfortable Omega Strap and Clasp, **Like New**, with a moon surface texture on the underside.

  • Condition: Excellent
  • Size: Medium / Standard
  • Strap width: 20mm
Posted at
Mar 21, 2026, 12:36 AM
Active