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 Moonphase

Omega Speedmaster Professional Moonphase

Omega - 3575.20 · $5,450
Up for sale is an Omega Speedmaster Professional Moonphase reference 3575.20, featuring date, chronograph, tachymeter and moonphase functions in a 42mm case with 18k white gold bezel.

  • Condition: excellent
  • Case size: 42mm
  • Movement: 1866 manual wind movement
  • Production years: 2000-2005
Posted at
Feb 1, 2025, 9:36 AM
Active
Omega Speedmaster Professional Chronograph Moonphase 3576.50

Omega Speedmaster Professional Chronograph Moonphase 3576.50

Omega - 3576500 · $4,810
This Omega Speedmaster Professional Chronograph Moonphase features a 42mm stainless steel case and is powered by a mechanical manual movement.

  • Condition: 90%
  • Size: 42mm diameter
  • Case material: Stainless Steel
  • Movement type: Mechanical Manual (1866)
Posted at
Feb 1, 2025, 8:48 AM
Active
Omega Speedmaster Moonwatch 3861 - White - 310.30.42.50.04.001 ( new )

Omega Speedmaster Moonwatch 3861 - White - 310.30.42.50.04.001 ( new )

This Omega Speedmaster Moonwatch Professional features a white dial, 42mm stainless steel case, and is powered by the Omega Master Chronometer movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement: Omega Master Chronometer
Posted at
Jan 31, 2025, 3:12 PM
Active
1995 Omega Speedmaster Professional Ref. 3590.50 with Box & Papers

1995 Omega Speedmaster Professional Ref. 3590.50 with Box & Papers

Omega - 3590.50 · $4,500
A sought-after 1995 Omega Speedmaster Professional Ref. 3590.50 with a unique vintage charm, powered by the reliable Caliber 861 and paired with a comfortable bracelet.

  • Condition: Excellent (little to no signs of wear)
  • Case width: 42mm
  • Movement: Manual Cal. 861
  • Year: 1995
Posted at
Jan 31, 2025, 1:29 PM
Active
2008 Omega Speedmaster 'Reduced' Ref. 3539.50 with Box & Papers

2008 Omega Speedmaster 'Reduced' Ref. 3539.50 with Box & Papers

Omega - 3539.50 · $3,850
The 2008 Omega Speedmaster 'Reduced' Ref. 3539.50 is a great entry into the Omega brand, measuring at 39mm and featuring a scratch-resistant sapphire crystal and fold-over clasp.

  • Condition: Excellent (very little to no signs of wear)
  • Case width: 39mm
  • Movement: Automatic
  • Strap length: 7.50"
Posted at
Jan 31, 2025, 1:22 PM
Active
2017 Omega Speedmaster Moonphase 44.25mm Blue Dial - 304.33.44.52.03.001 - B&Ps

2017 Omega Speedmaster Moonphase 44.25mm Blue Dial - 304.33.44.52.03.001 - B&Ps

This Omega Speedmaster Moonphase features a stainless steel case, deep blue ceramic bezel, and a dial with a detailed moonphase.

  • Condition: Very Good Condition - Minimal wear
  • Case size: 44.25mm diameter
  • Movement: Caliber 9904
Posted at
Jan 30, 2025, 7:57 PM
Active
Omega Speedmaster professional moonwatch

Omega Speedmaster professional moonwatch

This Omega Speedmaster Professional Moonwatch is a highly sought after model from August 2020, featuring a stainless steel case and a black dial.

  • Condition: amazing condition
  • Caliber: 1861 movement
  • Case material: Stainless Steel
  • Glass type: Hesalite
Posted at
Jan 30, 2025, 7:43 PM
Active
2020 Omega Speedmaster FOIS Ref: 311.32.40.30.01.001 with B+P (Modded Dial)

2020 Omega Speedmaster FOIS Ref: 311.32.40.30.01.001 with B+P (Modded Dial)

A 2020 Omega Speedmaster First Omega In Space "FOIS" with a modded dial, featuring an authentic Omega black chronograph dial and applied logo for a vintage charm.

  • Condition: Excellent
  • Case size: 40mm
  • Serial number: 78,8XX,XXX
  • Edition number: 14xxx
Posted at
Jan 30, 2025, 7:20 PM
Active
1999 Omega Speedmaster Broad Arrow Ref: 3594.50 with Box and Papers

1999 Omega Speedmaster Broad Arrow Ref: 3594.50 with Box and Papers

Omega - 3594.50 · $3,850
A 1999 Omega Speedmaster Broad Arrow with a 42mm case and excellent condition stainless steel bezel, black dial, and broad arrow hands. It comes with the original box, papers, booklet holder, and warranty card.

  • Condition: Excellent
  • Case size: 42mm
  • Bracelet links: 15
  • End links: 840
Posted at
Jan 30, 2025, 7:18 PM
Active