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.
Buy Now on Jomashop
This is an affiliate link

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 Professional "Sapphire Sandwich" Ref. 3573.50 - $4,750

Omega Speedmaster Professional "Sapphire Sandwich" Ref. 3573.50 - $4,750

Omega - 3573.50 · $4,750
This Omega Speedmaster Professional features a stainless steel case, 42mm in diameter, with sapphire crystals front and back, powered by an Omega Calibre 1863 movement. It is a manual wind chronograph from approximately 2005.

  • Condition: Good condition with slight wear marks and one scratch
  • Case size: 42mm
  • Crystal material: Sapphire
  • Movement type: Manual wind chronograph
Posted at
Apr 29, 2026, 12:06 AM
Active
[wts] 2026 Omega Speedmaster “Reverse Panda”
310.30.42.50.01.004
$9599 + FREE SHIPPING

2026 Omega Speedmaster “Reverse Panda” 310.30.42.50.01.004 $9599 + FREE SHIPPING

2026 Omega Speedmaster “Reverse Panda” with a 42mm steel case, black dial with white sundials, and a 3861 movement providing 50 hours of power reserve.

  • Condition: Preowned, 9.9/10 Cosmetic Condition
  • Case size: 42mm
  • Movement: 3861
  • Power reserve: 50 Hours
Posted at
Apr 28, 2026, 11:12 PM
Active
[WTS] OMEGA Speedmaster Professional MOONWATCH Sapphire Sandwich

OMEGA Speedmaster Professional MOONWATCH Sapphire Sandwich

This is the iconic OMEGA Speedmaster Professional Moonwatch Sapphire Sandwich, featuring a timeless design and highly sought-after sapphire crystal configuration.

  • Condition: mint condition
  • Case material: steel
  • Band material: steel
  • Crystal material: sapphire
Posted at
Apr 28, 2026, 10:28 PM
Active
[wts] 2022 OMEGA SPEEDMASTER PROFESSIONAL
310.30.42.50.01.002
$6050 + FREE SHIPPING

2022 OMEGA SPEEDMASTER PROFESSIONAL 310.30.42.50.01.002 $6050 + FREE SHIPPING

2022 OMEGA SPEEDMASTER PROFESSIONAL with manual wind 3861 movement and 50-hour power reserve.

  • Condition: Excellent pre owned condition
  • Case Size: 42mm diameter
  • Movement: Manual Wind 3861
  • Power Reserve: 50 Hours
Posted at
Apr 28, 2026, 10:20 PM
Active
[WTS] Omega Speedmaster Moonwatch “Reverse Panda” Ref: 310.30.42.50.01.004 (2026) Like New Complete $10,250

Omega Speedmaster Moonwatch “Reverse Panda” Ref: 310.30.42.50.01.004 (2026) Like New Complete $10,250

Omega - 310.30.42.50.01.004 · $10,250
A modern Omega Speedmaster Moonwatch with a unique 'Reverse Panda' dial and the upgraded 3861 METAS movement in excellent condition.

  • Condition: Excellent, like new
  • Case size: 42mm
  • Movement: Calibre 3861, manual-wind, Co-Axial Master Chronometer (METAS)
  • Power reserve: 50hr
Posted at
Apr 28, 2026, 9:19 PM
Active
[WTS] Omega Speedmaster Date 3513.50 39mm  - $1,790

Omega Speedmaster Date 3513.50 39mm - $1,790

Omega - 3513.50 · $1,790
This is an Omega Speedmaster Date 3513.50, a 39mm automatic watch with an Omega Calibre 1152 movement.

  • Condition: Very good condition for its age
  • Case size: 39mm diameter
  • Movement: automatic Calibre 1152
  • Bracelet length: up to 7-7.25 inch wrists depending on wrist shape
Posted at
Apr 28, 2026, 9:01 PM
Active
[WTs] Omega Speedmaster Moonphase 🍫

Omega Speedmaster Moonphase 🍫

This Omega Speedmaster Moonphase is a two-tone model featuring steel and Sedna gold, housed in a 44mm case.

  • Condition: Very good condition with some normal wear
  • Movement: Cal 9904
  • Size: 44mm diameter
Posted at
Apr 28, 2026, 9:00 PM
Active
[WTS] Omega. Speedmaster. Reverse Panda. Complete Set. $2099 Only

Omega. Speedmaster. Reverse Panda. Complete Set. $2099 Only

Omega - Speedmaster · $2,099
This Omega Speedmaster is a Reverse Panda model, complete with its original set including warranty, tag, inner and outer box, and two booklets.

  • Condition: 7.75/10 with wear around bezel
  • Bracelet size: 20 links
  • Warranty status: Complete
  • Box condition: Inner and Outer Box, 2 booklets
Posted at
Apr 28, 2026, 8:36 PM
Active
[WTS] (Omega) Speedmaster Date 3511.50 Full Set $2,099

(Omega) Speedmaster Date 3511.50 Full Set $2,099

Omega - 3511.50 · $2,099
For sale is an Omega Speedmaster Date, reference 3511.50, a reduced variant made for the Japanese market. This automatic watch features a 39mm case and 18mm lugs.

  • Condition: Excellent external condition, running well internally
  • Case size: 39mm diameter
  • Lug-to-lug length: 45mm
  • Thickness: 13.8mm
Posted at
Apr 28, 2026, 8:18 PM
Active