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 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 Sapphire features a 42mm stainless steel case and is powered by the Omega Master Chronometer movement.

  • Condition: Excellent
  • Case size: 42mm diameter
  • Movement: Omega Master Chronometer Movement
Posted at
Feb 12, 2025, 3:25 PM
Active
Omega Speedmaster Day-Date Moonphase White Dial Chronograph 18K/SS 3730.20

Omega Speedmaster Day-Date Moonphase White Dial Chronograph 18K/SS 3730.20

Omega - 3730.20 · $2,860
This Omega Speedmaster Day-Date Moonphase features a white dial and chronograph function, housed in a stainless steel case with an 18K gold accent.

  • Condition: 95%
  • Size: 39mm
  • Case material: Stainless Steel / 18K gold accent
  • Movement type: Mechanical Automatic
Posted at
Feb 12, 2025, 12:01 PM
Active
NIB Omega SPEEDMASTER MOONWATCH APOLLO 8 DARK SIDE OF THE MOON FULL SET

NIB Omega SPEEDMASTER MOONWATCH APOLLO 8 DARK SIDE OF THE MOON FULL SET

2019 Omega Speedmaster Moonwatch Chronograph Dark Side Of The Moon Apollo 8, black ceramic case on leather strap with ceramic tang buckle.

  • Condition: New Old Stock (NIB)
  • Case material: Black Ceramic
  • Strap material: Leather
  • Buckle material: Ceramic
Posted at
Feb 11, 2025, 10:32 PM
Active
2023 Omega Speedmaster �SNOOPY� 50th Anniversary 310.32.42.50.02.001 BOXES/PAPERS!

2023 Omega Speedmaster �SNOOPY� 50th Anniversary 310.32.42.50.02.001 BOXES/PAPERS!

Omega - 310.32.42.50.02.001 · $16,200
2023 Omega Speedmaster �SNOOPY� 50th Anniversary edition timepiece with stainless steel case, coated nylon fabric band, and manual movement.

  • Condition: Excellent, pre-owned with minor surface wear on case and strap
  • Movement Type: Manual
  • Case Diameter: 42mm
  • Water Resistance: 50m
Posted at
Feb 11, 2025, 4:06 PM
Active
Omega Speedmaster Date 1957 Limited Edition �2,009� BOXES/PAPERS/SERVICED!

Omega Speedmaster Date 1957 Limited Edition �2,009� BOXES/PAPERS/SERVICED!

This Limited Edition Speedmaster was produced in just 2,009 pieces specifically for the Japanese market. It comes with outer white box, missing inner red box, manuals, hangtag, service paperwork/parts, and all 3 cards.

  • Condition: pre-owned, nice condition with typical cosmetic wear on the case and bracelet
  • Bezel Type: Fixed with Tachymetric Scale
  • Band Material: Stainless Steel
  • Case Diameter: 40mm
Posted at
Feb 11, 2025, 4:01 PM
Active
NEW 2025 Omega Speedmaster Moonwatch Professional Chronograph 42mm White Dial

NEW 2025 Omega Speedmaster Moonwatch Professional Chronograph 42mm White Dial

This is a new 2025 Omega Speedmaster Moonwatch Professional Chronograph with a 42mm stainless steel case and a white dial.

  • Condition: Brand New/Unworn
  • Box And Papers: Yes
  • Warranty Years: 5
Posted at
Feb 11, 2025, 8:13 AM
Active
OMEGA Speedmaster Dark Side of the Moon 311.92.44.51.01.005 44mm w/BOX & PAPERS

OMEGA Speedmaster Dark Side of the Moon 311.92.44.51.01.005 44mm w/BOX & PAPERS

The OMEGA Speedmaster Dark Side of the Moon is a 44mm watch featuring a black ceramic case, dial, and bezel, with a sapphire crystal and exhibition caseback. It has a chronograph complication and date display at 6:00.

  • Condition: Good preowned condition
  • Case size: 44.25 mm
  • Movement: 9300 Caliber Movement
Posted at
Feb 10, 2025, 2:36 PM
Active
2023 Omega Speedmaster Professional Moonwatch Sapphire 310.30.42.50.01.002

2023 Omega Speedmaster Professional Moonwatch Sapphire 310.30.42.50.01.002

A personal Omega Speedmaster Professional Moonwatch with Sapphire crystal in excellent condition, worn only a few times.

  • Condition: Excellent
  • Year Purchased: 2024
  • Warranty Remaining Years: 3
  • Included Accessories: Outer/Inner Box,Warranty Cards,Booklets/Manual,Links
Posted at
Feb 10, 2025, 10:05 AM
Active
[WTS] Omega Tokyo Olympics 'Yellow Ring' Speedmaster 522.20.42.30.01.001

Omega Tokyo Olympics 'Yellow Ring' Speedmaster 522.20.42.30.01.001

This Omega Speedmaster Tokyo Olympics 'Yellow Ring' features a unique design and is in good condition, with watch and box included.

  • Condition: Good condition all around
  • Shipping: Free shipping within the US, possible options for overseas shipping
Posted at
Feb 10, 2025, 9:42 AM
Active