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 Speedy Tuesday - MINT UNWORN $14,500

Omega Speedmaster Speedy Tuesday - MINT UNWORN $14,500

Up for sale is THE Speedy Tuesday ST1, an UNWORN and MINT example of this hard-to-find watch. It includes the watch, box, warranty cards, and accessories.

  • Condition: Mint unworn
  • Case Size: 42mm diameter
Posted at
Apr 30, 2025, 9:58 AM
Active
[WTS] Omega Speedmaster Speedy Tuesday #16!- Serviced w/Box,Papers $12000

Omega Speedmaster Speedy Tuesday #16!- Serviced w/Box,Papers $12000

Up for sale is the Speedy Tuesday ST1 #16, one of the coolest Speedmasters ever. It's in very good condition with minimal signs of wear.

  • Condition: very good condition, little sign of wear
  • Serviced: true
  • Service Date: about 1.5 years ago
  • Inclusions: box,warranty cards,accessories,extra Omega black nylon nato
Posted at
Apr 30, 2025, 9:51 AM
Active
[WTS][US] Omega Speedmaster Moonwatch Professional Brown Leather Strap + Buckle Clasp - 20mm

[US] Omega Speedmaster Moonwatch Professional Brown Leather Strap + Buckle Clasp - 20mm

A Omega Speedmaster Moonwatch Professional available for sale, featuring a brown leather strap and buckle.

  • Condition: fantastic, with minor hairlines on clasp
  • Strap width: 20mm
  • Clasp condition: minor hairlines
Posted at
Apr 30, 2025, 8:49 AM
Active
[WTS] Omega Speedmaster Broad Arrow 3556.50.00 – Full Set – $2850 Shipped

Omega Speedmaster Broad Arrow 3556.50.00 – Full Set – $2850 Shipped

Omega - 3556.50.00 · $2,850
The Omega Speedmaster Broad Arrow Olympic Edition is a beautifully finished 42mm automatic chronograph with classic Broad Arrow hands, a date window, and small seconds.

  • Condition: Excellent - freshly serviced
  • Case size: 42mm
  • Movement type: Automatic chronograph
  • Features: Date window, small seconds, chronograph
Posted at
Apr 29, 2025, 11:17 PM
Active
[WTS] 2019 Omega Speedmaster Grey Side of the Moon Meteorite - Full set Box and papers - Ref# 311.63.44.51.99.001

2019 Omega Speedmaster Grey Side of the Moon Meteorite - Full set Box and papers - Ref# 311.63.44.51.99.001

This Omega Speedmaster Grey Side of the Moon Meteorite features a 44mm ceramic case and Sedna gold details, making it stand out among other speedies.

  • Condition: Very good condition, small nick on the case
  • Case diameter: 44mm
  • Water resistance: 30m
Posted at
Apr 29, 2025, 10:35 PM
Active
[WTS] Omega Speedmaster 50th Anniversary Silver Snoopy Award 310.32.42.50.02.001

Omega Speedmaster 50th Anniversary Silver Snoopy Award 310.32.42.50.02.001

Omega - 310.32.42.50.02.001 · $14,000
This Omega Speedmaster commemorates the Apollo 13 mission and features a stunning design blending history and horology.

  • Condition: Excellent pre-owned
  • Case Size: 42mm diameter
  • Case Material: Stainless Steel
  • Strap: Blue coated nylon fabric strap with folding clasp
Posted at
Apr 29, 2025, 10:32 PM
Active
[WTS] Omega Speedmaster ref. 3520.50 Automatic Triple Date

Omega Speedmaster ref. 3520.50 Automatic Triple Date

Omega - 3520.50 · $2,550
A 39mm automatic Omega Speedmaster with triple date complication, featuring a healthy timegrapher data and functioning chronograph.

  • Condition: Minimal signs of wear, honest wear throughout
  • Size: 39mm diameter
  • Bracelet size: Full-sized
  • Box papers: No box or papers included
Posted at
Apr 29, 2025, 9:37 PM
Active
[WTS] Omega Speedmaster Triple Date 3521.30

Omega Speedmaster Triple Date 3521.30

Omega - 3521.30 · $1,700
A beautiful white Omega Speedmaster Triple Date with a 3 date complication showing the day, date, and month.

  • Condition: Very good condition, with some normal wear on the case bezel and bracelet
  • Size: 39mm diameter
  • Movement: 1150
  • Accessories: N/A
Posted at
Apr 29, 2025, 9:34 PM
Active
[WTS] Omega Seamaster NTTD on NATO | Omega Speedmaster Moonphase | Tudor Black Bay 58 Burgundy Dial

Omega Seamaster NTTD on NATO | Omega Speedmaster Moonphase | Tudor Black Bay 58 Burgundy Dial

This Omega Speedmaster Moonphase is a high-end watch with a 44.25mm case size, features a moon phase display, and comes with an additional OEM leather strap.

  • Condition: Very Good
  • Strap: additional OEM leather strap
  • Box And Papers: yes
  • Case Size: 44.25mm
Posted at
Apr 29, 2025, 9:26 PM
Active