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 Reduced 3511.12 Yellow JAPAN 馃嚡馃嚨 EXCLUSIVE

Omega Speedmaster Reduced 3511.12 Yellow JAPAN 馃嚡馃嚨 EXCLUSIVE

Omega - 3511.12 $2,399
Omega Speedmaster Reduced, a watch exclusively released in Japan, comes with the original box and booklet, along with a 7-inch bracelet.

  • Bracelet length: 7 inches
  • Box and booklet included: true
Posted at
Apr 29, 2025, 2:28 PM
Active
[WTS] Omega Speedmaster Professional 145.012 Cal. 321

Omega Speedmaster Professional 145.012 Cal. 321

Omega - 145.012-67 $6,450
This Omega Speedmaster Professional features a Cal. 321 movement and an exhibition caseback. The watch has aged beautifully with a faded grey bezel and dial patina.

  • Movement: Calibre 321
  • Bracelet: Flat link Uncle Seiko bracelet
  • Box: Original 1968 Olympic box (possibly)
Posted at
Apr 29, 2025, 11:12 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

Omega - 310.30.42.50.01.002 $6,499
This is a brand new Omega Speedmaster Moonwatch Professional with a black dial and sapphire crystal case.

  • Condition: 10/10, unworn with stickers
  • Diameter: 42mm
  • Water Resistance: 50M
  • Movement: 3861
Posted at
Apr 29, 2025, 10:42 AM
Active
[WTS] Omega Speedmaster Ceramic Apollo 8 Dark Side Of The Moon DSOTM 311.92.44.30.01.001

Omega Speedmaster Ceramic Apollo 8 Dark Side Of The Moon DSOTM 311.92.44.30.01.001

Omega - 311.92.44.30.01.001 $8,597
The Omega Speedmaster Dark Side Of The Moon features a black ceramic case with a laser-ablated Calibre 1869 movement, depicting the moon's surface through the skeletonized dial and exhibition caseback.

  • Condition: Truly exceptional
  • Case size: 44.25mm
  • Movement: Calibre 1869
Posted at
Apr 29, 2025, 9:28 AM
Active
[WTS][US] Omega Speedmaster Silver Snoopy - 50th Anniversary - 310.32.42.50.02.001 - Full Set + Bracelet

[US] Omega Speedmaster Silver Snoopy - 50th Anniversary - 310.32.42.50.02.001 - Full Set + Bracelet

Omega - 310.32.42.50.02.001 $15,100
This Omega Speedmaster Silver Snoopy - 50th Anniversary watch is a full set, including the watch, canvas strap, bracelet, box, manuals, and accessories. It functions perfectly mechanically.

  • Condition: Fantastic condition with minor hairlines
  • Case Diameter: 42mm
  • Water Resistance: 30m
Posted at
Apr 29, 2025, 8:59 AM
Active
[WTS] Omega Speedmaster Day Date 40mm 323.30.40.40.06.001 Full set $2850

Omega Speedmaster Day Date 40mm 323.30.40.40.06.001 Full set $2850

Omega - 323.30.40.40.06.001 $2,850
This Omega Speedmaster Day Date features a 40mm case and is in good condition with some minor wear. The watch comes with its full set.

  • Condition: Good condition overall with light sign of wear
  • Payment Methods: Zelle/Wire
Posted at
Apr 28, 2025, 8:57 PM
Active
1991 Omega Speedmaster Ref: 3590.50 with Accessories

1991 Omega Speedmaster Ref: 3590.50 with Accessories

Omega - 3590.50 $3,550.004
A 1991 Omega Speedmaster Ref: 3590.50 with a 42mm case, excellent condition black bezel, and tritium dial with creamy yellow patina.

  • Condition: Very nice with some wear from use
  • Serial number: 48,26X,XXX
  • Bracelet size: 20 links (+1 spare) and 633 end links
  • Bracelet type: 1171/1 Omega bracelet
Posted at
Apr 28, 2025, 8:42 PM
Active
1991 Omega Speedmaster Ref: 3590.59 Apollo XI 20th Anniversary with Box and Papers

1991 Omega Speedmaster Ref: 3590.59 Apollo XI 20th Anniversary with Box and Papers

Omega - 3590.59 $6,950.007
This is a 1991 Omega Speedmaster Ref 3590.59 Apollo XI 20th Anniversary, a limited edition made for the US market. The watch features a 42mm case with some wear from use and a ding on the side of the 10 o'clock lug.

  • Condition: Very good
  • Case size: 42mm
  • Bracelet type: stainless steel 1479 Omega bracelet
  • Links: 23 links and 812 end links
Posted at
Apr 28, 2025, 8:41 PM
Active
1992 Omega Speedmaster Ref: 3590.50

1992 Omega Speedmaster Ref: 3590.50

Omega - 3590.50 $3,850.004
A 1992 Omega Speedmaster Ref: 3590.50 in excellent condition, featuring a 42mm case, black bezel, tritium dial, and Omega bracelet.

  • Condition: Excellent with some light wear and corrosion
  • Case Size: 42mm diameter
  • Bracelet Links: 22
Posted at
Apr 28, 2025, 8:40 PM
Active