Omega Speedmaster Speedmaster Professional Moonwatch SpeedyMoon

Reference ST 345.0809

Omega Speedmaster Professional Moonwatch SpeedyMoon

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

Current Listings

Omega Speedmaster Professional “Reverse Panda” 42MM - 310.30.42.50.01.004 (NEW / UNWORN 2026 COMPLETE SET)

Omega - 310.30.42.50.01.004 · $10,500

A 42MM Omega Speedmaster Professional 'Reverse Panda' with all original packaging and accessories, in pristine condition.

Condition: New / Unworn
Size: 42mm diameter
Included accessories: outer sleeve, outer box, inner box, all cards, x2 manuals, AD shipping coffin, serialized hangtag, UPC Sticker, microfiber, travel case

Posted at

Mar 20, 2026, 10:10 PM

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2025 Omega Speedmaster Professional “Sapphire Sandwich” Ref. 310.30.42.50.01.002 | Full Set | Warranty to 2030 | + OEM Sailcloth

Omega - 310.30.42.50.01.002 · $7,050

The Omega Speedmaster Professional 'Sapphire Sandwich' is a 2025 model, featuring a stainless steel case with sapphire front and caseback.

Condition: Excellent
Calibre: 3861 Co-Axial Master Chronometer
Case Size: 42mm diameter
Material: stainless steel

Posted at

Mar 20, 2026, 7:21 PM

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Omega Speedmaster Professional “Chocolate Dial” 42mm Ref. 311.30.42.30.13.001 Sapphire Sandwich, Full Set, Excellent Condition

Omega - 311.30.42.30.13.001 · $6,695

This Omega Speedmaster Professional features a unique chocolate dial and sapphire crystal, showcasing the beautifully finished Caliber 1863 movement.

Condition: Excellent pre-owned
Case size: 42mm
Case material: Stainless Steel
Dial color: Brown 'Chocolate' Dial (tropical-inspired)

Posted at

Mar 20, 2026, 7:01 PM

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Omega Speedmaster Racing 329.30.44.51.04.001 COMPLETE SET 2024

Omega - 329.30.44.51.04.001 · $5,950

This Omega Speedmaster Racing features a white dial and comes with the complete set including double boxed, all the cards, warranty card dated 2024, and manual.

Condition: Excellent
Payment Methods: crypto, credit/debit card, other methods (excluding PayPal)
Trading Brands: Tudor, Cartier, Rolex, Omega, Breitling, AP
Shipping: shipped

Posted at

Mar 20, 2026, 4:15 PM

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[CONUS] 1965 Omega Speedmaster 105.003 Ed White Pre-Moon Caliber 321

Omega - 105.003-65 · $9,300

A 1965 Omega Speedmaster Pre-Moon 105.003 Ed White watch, certified by NASA for space missions. This is one of the three references that were on the Moon and features a very beautiful dial with minimal signs of wear.

Condition: Very good with minimal signs of wear
Dial condition: very beautiful dial
Bezel condition: original aluminium bezel with DON, some wear throughout
Case size: 40mm diameter

Posted at

Mar 20, 2026, 11:48 AM

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(Omega) Speedmaster Date 3511.50

Omega - 3511.50 · $1,999

This Omega Speedmaster Date features a tritium dial and hands, 39mm case, 44mm lug-to-lug length and 18mm lug width.

Condition: Great condition
Case Diameter: 39mm
Lug To Lug Length: 44mm
Lug Width: 18mm

Posted at

Mar 20, 2026, 11:31 AM

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2024 Omega Speedmaster "Blue Side of the Moon" BSOM Aventurine Dial - 304.93.44.52.03.002 Box and Papers

Omega - 304.93.44.52.03.002 · $11,249

This Omega Speedmaster Moonphase features a blue ceramic case and bezel, paired with a deep blue aventurine dial that sparkles beautifully under the light.

Condition: Excellent, minimal wear
Case size: 44.25mm diameter
Movement: Co-Axial Master Chronometer Caliber 9904

Posted at

Mar 20, 2026, 11:10 AM

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Omega Speedmaster Reduced - White Mother of Pearl w/ Light Blue Numerals - STUNNING - $2,499 Shipped!

Omega - Speedmaster Reduced · $2,499

This Omega Speedmaster Reduced features a white mother of pearl dial with light blue numerals, making it a stunning timepiece.

Dial color: White Mother of Pearl w/ Light Blue numerals

Posted at

Mar 20, 2026, 8:39 AM

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Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

Omega - 310.30.42.50.04.001 · $8,100

This Omega Speedmaster Moonwatch Professional features a white dial and is a full set, including watch, box, historical booklet, user manual, microfiber cloth, master chronometer card, and warranty card.

Condition: pristine condition with minor hairlines

Posted at

Mar 20, 2026, 8:08 AM

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