Omega Speedmaster Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Alligator
Reference 310.63.42.50.01.001
About this watch
The Omega Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Alligator is a masterpiece of luxury watchmaking, blending history, craftsmanship, and modern technology. Its striking black sunburst dial and Sedna Gold case exude sophistication, while its chronograph function and co-axial escapement ensure precision and reliability. With a water resistance of 50 meters and a power reserve of 50 hours, this watch is built for performance and durability. Whether you're a seasoned collector or a first-time buyer, the Speedmaster Professional Moonwatch is sure to impress with its stunning design, exceptional movement, and practical features.
Key Features
- Omega caliber 3861 movement
- Sedna Gold case material
- Master Chronometer certification by METAS
- Chronograph function
- Co-axial escapement
- Plexi glass crystal
- 50-meter water resistance
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Alligator
- Reference
- 310.63.42.50.01.001
- Movement
- 3861
- Movement Features
-
- Small Seconds, Hours, Minutes
- Chronograph
- Chronometer
- Case
- Sedna Gold 42mm
- Dial Color
- Black
- Crystal
- Plexi
- Water Resistance
- 50
Current Listings
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Omega Speedmaster Sapphire Sandwich 310.30.42.50.01.002 Like New Unworn condition Full set 6500$ ♟️
A Omega Speedmaster Sapphire Sandwich in excellent condition, with a rich history as the legendary moonwatch.
- Condition: Like New Unworn
- Shipping: available via Wire/paypal/Wise
- Location: Miami Florida
![[WTS][US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set](https://preview.redd.it/k5b01ckr9lwg1.jpg?width=640&crop=smart&auto=webp&s=d5015b4322fc95c0ac185cf31ff488b9cfb081c4)
[US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set
This Omega Speedmaster First Omega in Space is a fully functional watch that comes with a full set of accessories.
- Condition: Fantastic condition with few hairlines on case, clasp, and bracelet
- Case size: 40mm diameter
![[WTS] Omega Speedmaster Grey Side of The Moon 311.93.44.51.99.002 Mint 2025](https://preview.redd.it/mspc0oqeokwg1.jpg?width=640&crop=smart&auto=webp&s=c407ec43e3d2f8ce32047878ed80b14f786b093a)
Omega Speedmaster Grey Side of The Moon 311.93.44.51.99.002 Mint 2025
This Omega Speedmaster Grey Side of The Moon is for sale in a very mint condition with no flaws and comes as a fully complete set.
- Condition: Mint condition
- Warranty Card Date: April 2025
- Shipping Method: WW insured shipping
![[WTS] Omega Speedmaster '57 - current gen - warranty till Apr 2027 (price reduced)](https://preview.redd.it/gw6sm84hpjwg1.jpg?width=640&crop=smart&auto=webp&s=559eb7851ad2f6251a22f5e033c5ec123b2c2312)
Omega Speedmaster '57 - current gen - warranty till Apr 2027 (price reduced)
Up for sale is my April 29, 2022 dated Omega Speedmaster '57, current generation, with warranty till Apr 2027.
- Condition: Pre-owned, very good condition with minor scratches and marks
- Dimensions: 40mm diameter
- Bracelet length: 17cm
![[WTS] Omega Speedmaster Professional Moonwatch ST 145.022-69 (1972)](https://preview.redd.it/s5urwb750hwg1.jpeg?auto=webp&s=61cd9082f7e81c37bb6e5bd2e53a14b26cea4179)
Omega Speedmaster Professional Moonwatch ST 145.022-69 (1972)
A 1972 Omega Speedmaster Professional Moonwatch with a manual wind Cal. 861 movement, 42mm stainless steel case, and black dial with three registers.
- Condition: some scratches on the bezel and crystal, some marks on the case
- Movement: Cal. 861
- Case size: 42mm diameter
- Water resistance: 30m depth rating
![[WTS]🐼NEW 2026 OMEGA SPEEDMASTER REVERSE PANDA](https://preview.redd.it/mfbuthnhsgwg1.jpg?width=640&crop=smart&auto=webp&s=bee3b31fe14adfd7f9fcb08f6e6536f8170a70a6)
🐼NEW 2026 OMEGA SPEEDMASTER REVERSE PANDA
No description provided.
- Condition: new
- Year: 2026
![[WTS] Omega Speedmaster Pro “Moon to Mars” Edition](https://preview.redd.it/csm49wkchgwg1.jpg?width=640&crop=smart&auto=webp&s=b579885fde04b7f5b72489dfefd8c2ef2d39066c)
Omega Speedmaster Pro “Moon to Mars” Edition
The Omega Speedmaster Pro 'Moon to Mars' Edition features a beautiful dial with subdials painted as Earth, Moon and Mars.
- Condition: Good, with a scratch on the crystal at 1 o'clock
- Bracelet size: 7 inches
- Movement: 1861 manual
- Size: 42mm diameter
![[WTS] Omega Speedmaster Moonwatch Professional 42mm 310.30.42.50.01.002 | 2025 Complete Set](https://preview.redd.it/qe2fhwefagwg1.jpg?width=640&crop=smart&auto=webp&s=ddbbe4c7cfc981882aaa83478ef868b16849e949)
Omega Speedmaster Moonwatch Professional 42mm 310.30.42.50.01.002 | 2025 Complete Set
The Omega Speedmaster Moonwatch Professional is a 42mm watch with an unknown service history.
- Condition: Great Pre-Owned
- Links: 24 Links
- Warranty Years Remaining: 1 year (2025)
![[WTS] Omega Speedmaster. Mother of pearl dial. 39mm. Automatic.](https://preview.redd.it/xfxueay7lfwg1.jpeg?auto=webp&s=bbe5504c73a75b221d28ac2cc76ee1b5acd4424d)
Omega Speedmaster. Mother of pearl dial. 39mm. Automatic.
A 39mm automatic Omega Speedmaster with a mother of pearl dial and OEM omega strap.
- Case size: 39mm
- Movement type: Automatic