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 Broadarrow. Strong Lume.

Omega Speedmaster Broadarrow. Strong Lume.

This Omega Speedmaster is a Broadarrow model with strong lume, available for sale.

  • Condition: Runs well
  • Shipping location: NJ USA
  • Shipping options: Fedex with insurance
  • Shipping globally: yes
Posted at
May 16, 2026, 1:46 PM
Active
[WTS] Omega Speedmaster Professional Moonwatch Pumpkin Patina 1968

Omega Speedmaster Professional Moonwatch Pumpkin Patina 1968

Omega - 145.012-68 · $10,570
This exceptional Omega Speedmaster Professional reference 145.012-68 presents a remarkable example of horological heritage in superb original condition.

  • Condition: Superb original condition
  • Case size: 42 x 47mm
  • Year: 1968
  • Bracelet size: accommodates wrists up to 7.75 inches
Posted at
May 16, 2026, 12:15 PM
Active
[WTS] Omega Integrated Speedmaster Moonwatch Rubber Strap / Omega Clasp - (Backordered Combo Omega) $600 shipped

Omega Integrated Speedmaster Moonwatch Rubber Strap / Omega Clasp - (Backordered Combo Omega) $600 shipped

Omega - 032Z017245 · $600
A black rubber strap and stainless steel deployant clasp designed for the Omega Speedmaster Professional, available only through Omega.

  • Condition: Excellent Condition
  • Lug size: 20mm
  • Case color: Red
Posted at
May 15, 2026, 6:58 PM
Active
[WTS] Omega Speedmaster Panda Chronograph 40mm 323.30.40.40.04.001

Omega Speedmaster Panda Chronograph 40mm 323.30.40.40.04.001

A Omega Speedmaster Date Day Panda Chronograph with a 40mm case, 7.5-inch bracelet, and accompanying warranty card.

  • Case size: 40mm
Posted at
May 15, 2026, 5:40 PM
Active
[WTS] 2023 OMEGA Speedmaster Professional Moonwatch Sapphire 310.30.42.50.01.002 Full Set with Micro-Adjust Clasp

2023 OMEGA Speedmaster Professional Moonwatch Sapphire 310.30.42.50.01.002 Full Set with Micro-Adjust Clasp

The Omega Speedmaster Professional Moonwatch features a black dial, sapphire crystal, and exhibition caseback showcasing the Omega Caliber 3861 movement, delivering precision, anti-magnetic performance, and a reliable 50-hour power reserve. It's fitted with a stainless steel bracelet featuring a micro-adjustable clasp.

  • Condition: Excellent pre-owned condition
  • Case size: 42mm diameter
  • Dial color: Black
  • Crystal material: Sapphire
Posted at
May 15, 2026, 4:54 PM
Active
[WTS] OMEGA Speedmaster Dark Side Of The Moon DSOM $11,800 plus label

OMEGA Speedmaster Dark Side Of The Moon DSOM $11,800 plus label

This Omega Speedmaster Dark Side Of The Moon DSOM is available for sale in excellent condition with minimal wear.

  • Condition: Like new - little to no visible wear anywhere on the watch
  • Box: full set
  • Cards: 3 cards, warranty card is blank
Posted at
May 15, 2026, 4:47 PM
Active
[WTS] Omega Speedmaster Panda 32330404004001 Full Set

Omega Speedmaster Panda 32330404004001 Full Set

Omega - 32330404004001 · $4,600
Up for sale is a 2010 Omega Speedmaster Panda, in its full set, with a stainless steel bracelet and no visible scratches on the case, bezel or crystal.

  • Condition: very good condition
  • Length: 40mm diameter
  • Bracelet material: stainless steel
Posted at
May 15, 2026, 4:36 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional 18k Sedna Gold $31k box papers full links

Omega Speedmaster Moonwatch Professional 18k Sedna Gold $31k box papers full links

This Omega Speedmaster Moonwatch Professional is being sold with its original box and papers. It has been worn under 10 times.

  • Condition: Mint, unpolished
  • Material: 18k Sedna Gold
Posted at
May 15, 2026, 4:15 PM
Active
[WTS] Omega Speedmaster Date 3511.50

Omega Speedmaster Date 3511.50

Omega - 3511.50 · $1,975
For sale is an Omega Speedmaster date with a reverse panda dial that was only sold in Japan, it runs very solid and everything functions properly.

  • Condition: great condition
  • Payment Methods Accepted: crypto, cash, bank transfer, etc.
  • Excluded Payment Method: PayPal
  • Trade In Brands: Tudor, Cartier, Rolex, Omega, Breitling, AP
Posted at
May 15, 2026, 2:46 PM
Active