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

Omega SPEEDMASTER PROFESSIONAL MOONWATCH WHITE DIAL 2024 WARRANTY FULL SET
New 2024 Model 42mm Omega Speedmaster Professional Moonwatch Stainless Steel with White Dial & Sapphire Crystals. Manual-Winding Chronograph 3861 Movement with Co-Axial Escapement.
- Condition: Unpolished, Excellent condition
- Movement: Manual-winding chronograph 3861
- Crystals: Sapphire crystals
- Diameter: 42mm
![[WTS] Omega Speedmaster Dark Side of the Moon Apollo 8 Full Set 311.92.44.30.01.001](https://preview.redd.it/yizmad7626ze1.jpg?width=640&crop=smart&auto=webp&s=8eca6b2dfe1f5713d50a9b8dd8751f1713df9080)
Omega Speedmaster Dark Side of the Moon Apollo 8 Full Set 311.92.44.30.01.001
Up for sale is a Omega Speedmaster Moonwatch - Dark Side of the Moon - Apollo 8, a unique and collectible watch model.
- Condition: Excellent condition with no signs of wear
- Year: 2019
- Contents: Watch, Inner & Outer Box, International Warranty Card, Pictograms Card, Card Holder, Operating Instructions Manual, Omega Watch Cloth
![[WTS][US] Omega Speedmaster '57 - Blue Dial - 40.5mm - 332.10.41.51.03.001 - Full Set](https://preview.redd.it/1xjbdec716ze1.jpg?width=640&crop=smart&auto=webp&s=59fa52c10e2e19490eca8eb6580e5f1d4076ad72)
[US] Omega Speedmaster '57 - Blue Dial - 40.5mm - 332.10.41.51.03.001 - Full Set
Omega Speedmaster '57 - Blue Dial - 40.5mm. Functions perfectly mechanically without issue. Includes full set of accessories.
- Condition: Fantastic condition with minor hairlines on clasp, case, and bracelet
- Case size: 40.5mm diameter
![[WTS][US] Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set - BRAND NEW](https://preview.redd.it/l05gk7whz5ze1.jpg?width=640&crop=smart&auto=webp&s=6da359fb4dc4e17546f8f19bba9c52c431b44b6e)
[US] Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set - BRAND NEW
This Omega Speedmaster Moonwatch Professional features a white dial and is fully set, including its box, historical booklet, user manual, microfiber cloth, serialized case back sticker, and triple cards.
- Condition: Brand new and unworn
- Case Condition: Pristine
- Clasp Condition: Zero hairlines
- Bracelet Condition: Zero hairlines
![[WTS] 2023 OMEGA Speedmaster Anniversary Series Silver Snoopy 310.32.42.50.02.001](https://external-preview.redd.it/pwZmuGwyznvzB3u2yFg0AiYeD6XGPr1kAjQbCdgeZkc.jpeg?auto=webp&s=8a9d4c82273f58224bd3f852fd6b338369d27725)
2023 OMEGA Speedmaster Anniversary Series Silver Snoopy 310.32.42.50.02.001
The Omega Speedmaster Snoopy is a tribute to space exploration history, featuring an iconic blue enamel dial with Snoopy as an astronaut and a stunning silver medallion on the case back.
- Condition: Excellent
- Case materials: Stainless steel
- Dial material: Blue enamel
- Band: Strap and Bracelet included
![[WTS] New 2025 Omega Speedmaster Moonwatch Professional Sapphire Black Dial Full 4/25 Ref: 310.30.42.50.01.002](https://preview.redd.it/8xfxzglff5ze1.jpg?width=640&crop=smart&auto=webp&s=41bf5d76aeaa3961db636b65378dff381994fc66)
New 2025 Omega Speedmaster Moonwatch Professional Sapphire Black Dial Full 4/25 Ref: 310.30.42.50.01.002
This Omega Speedmaster Moonwatch Professional features a black lacquered dial, manual wind movement, and a 42mm size.
- Condition: 10/10, unworn with stickers
- Size: 42mm diameter
- Water resistance: 50m depth rating
- Movement: 3861 movement
![[WTS] Omega Speedmaster racing 326.30.40.50.01.001 w box & papers.](https://preview.redd.it/m49d0i6x63ze1.jpg?width=640&crop=smart&auto=webp&s=75d20b3efc1f8ad126c86205f03d27da31cbe76b)
Omega Speedmaster racing 326.30.40.50.01.001 w box & papers.
The Omega Speedmaster Racing 326.30.40.50.01.001 is a timepiece that blends iconic design, cutting-edge technology, and everyday versatility.
- Box: true
- Papers: true
![[WTS] OMEGA Speedmaster Racing Chronograph 44.25mm Black Dial 329.32.44.51.01.001 Full Set](https://preview.redd.it/etltnjpm02ze1.jpg?width=640&crop=smart&auto=webp&s=807b0179381da4a6ef3ca71791c42b3812f6b8f4)
OMEGA Speedmaster Racing Chronograph 44.25mm Black Dial 329.32.44.51.01.001 Full Set
This OMEGA Speedmaster Racing Chronograph features a black dial with orange accents, stainless steel case, and automatic mechanical movement.
- Condition: Very nice preowned condition with light scratches on the case and buckle.
- Case Material: Stainless Steel
- Bezel: Stainless Steel
- Dial: Black with Orange Accents

Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (new / 2025)
A brand new Omega Speedmaster Moonwatch Professional Sapphire with Adjustable Clasp, featuring a 42mm stainless steel case and the 3861 Omega Master Chronometer Movement.
- Condition: Brand New
- Case size: 42mm diameter
- Movement: Omega Master Chronometer Movement