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

Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (excellent)
This Omega Speedmaster Moonwatch Professional Sapphire features a 42mm stainless steel case and is powered by the Omega Master Chronometer movement.
- Condition: Excellent
- Case size: 42mm diameter
- Movement: Omega Master Chronometer Movement
Omega Speedmaster Day-Date Moonphase White Dial Chronograph 18K/SS 3730.20
This Omega Speedmaster Day-Date Moonphase features a white dial and chronograph function, housed in a stainless steel case with an 18K gold accent.
- Condition: 95%
- Size: 39mm
- Case material: Stainless Steel / 18K gold accent
- Movement type: Mechanical Automatic

NIB Omega SPEEDMASTER MOONWATCH APOLLO 8 DARK SIDE OF THE MOON FULL SET
2019 Omega Speedmaster Moonwatch Chronograph Dark Side Of The Moon Apollo 8, black ceramic case on leather strap with ceramic tang buckle.
- Condition: New Old Stock (NIB)
- Case material: Black Ceramic
- Strap material: Leather
- Buckle material: Ceramic

2023 Omega Speedmaster �SNOOPY� 50th Anniversary 310.32.42.50.02.001 BOXES/PAPERS!
2023 Omega Speedmaster �SNOOPY� 50th Anniversary edition timepiece with stainless steel case, coated nylon fabric band, and manual movement.
- Condition: Excellent, pre-owned with minor surface wear on case and strap
- Movement Type: Manual
- Case Diameter: 42mm
- Water Resistance: 50m

Omega Speedmaster Date 1957 Limited Edition �2,009� BOXES/PAPERS/SERVICED!
This Limited Edition Speedmaster was produced in just 2,009 pieces specifically for the Japanese market. It comes with outer white box, missing inner red box, manuals, hangtag, service paperwork/parts, and all 3 cards.
- Condition: pre-owned, nice condition with typical cosmetic wear on the case and bracelet
- Bezel Type: Fixed with Tachymetric Scale
- Band Material: Stainless Steel
- Case Diameter: 40mm

NEW 2025 Omega Speedmaster Moonwatch Professional Chronograph 42mm White Dial
This is a new 2025 Omega Speedmaster Moonwatch Professional Chronograph with a 42mm stainless steel case and a white dial.
- Condition: Brand New/Unworn
- Box And Papers: Yes
- Warranty Years: 5
OMEGA Speedmaster Dark Side of the Moon 311.92.44.51.01.005 44mm w/BOX & PAPERS
The OMEGA Speedmaster Dark Side of the Moon is a 44mm watch featuring a black ceramic case, dial, and bezel, with a sapphire crystal and exhibition caseback. It has a chronograph complication and date display at 6:00.
- Condition: Good preowned condition
- Case size: 44.25 mm
- Movement: 9300 Caliber Movement

2023 Omega Speedmaster Professional Moonwatch Sapphire 310.30.42.50.01.002
A personal Omega Speedmaster Professional Moonwatch with Sapphire crystal in excellent condition, worn only a few times.
- Condition: Excellent
- Year Purchased: 2024
- Warranty Remaining Years: 3
- Included Accessories: Outer/Inner Box,Warranty Cards,Booklets/Manual,Links
Omega Tokyo Olympics 'Yellow Ring' Speedmaster 522.20.42.30.01.001
This Omega Speedmaster Tokyo Olympics 'Yellow Ring' features a unique design and is in good condition, with watch and box included.
- Condition: Good condition all around
- Shipping: Free shipping within the US, possible options for overseas shipping