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
![[WTS] 2013 Omega Speedmaster 'Reduced' Ref. 3539.50 with Papers | Serviced 2025](https://preview.redd.it/sknu9xh5dmxe1.jpeg?auto=webp&s=c60f065f8e37ec050491edc1eefe1f7b66d2cfbe)
2013 Omega Speedmaster 'Reduced' Ref. 3539.50 with Papers | Serviced 2025
This Omega Speedmaster Reduced Automatic features a 39mm case and is in excellent pre-owned condition, with a scratch resistant sapphire crystal and upgraded fold over clasp.
- Condition: Excellent (little to no signs of wear)
- Movement: Automatic
- Case width: 39mm diameter
- Straps length: 7.50 inches (strap)
JAN 2025 Omega Speedmaster racing 9900 44.25mm 329.30.44.51.01.001 Speedy
This Omega Speedmaster racing watch is a 2025 model with a 44.25mm case, featuring a steel chronograph function.
- Condition: Mint and full set
- Case diameter: 44.25mm
- Serial number: blurred for security/privacy reasons
![[WTS] OMEGA Speedmaster '57 40.5mm Blue Dial 332.10.41.51.03.001 Complete Set 2023](https://external-preview.redd.it/Mh5OTG2XMu9BRZK60vfJ05hYCGVBEHSeUm750RwOIig.jpg?auto=webp&s=24f60256885ac3977cbf1ad9325c336b94ea2fb0)
OMEGA Speedmaster '57 40.5mm Blue Dial 332.10.41.51.03.001 Complete Set 2023
The OMEGA Speedmaster '57 features a stainless steel case and a blue dial, inspired by the 1957 original. It is a modern take on a classic design.
- Condition: Excellent condition with little to no signs of wear.
- Year Of Production: 2023
- Case Size: 40.5mm
- Set Contents: inner box,outer box,warranty card,pictogram,master chronometer,card sleeve,instruction booklet,hang tag
![[WTS] (Omega Speedmaster Professional Moonwatch)](https://preview.redd.it/2w3xe2lhalxe1.jpeg?auto=webp&s=a3414be0a7cd63400507c7ec8a837ec686d02788)
(Omega Speedmaster Professional Moonwatch)
This Omega Speedmaster Professional Moonwatch is a beautifully maintained watch with near perfect condition.
- Condition: near perfect
- Buckle type: OEM deployant

Omega Speedmaster Silver Snoopy Award 50th - 31032425002001 UNWORN
This Omega Speedmaster 'Silver Snoopy Award' 50th Anniversary watch was originally purchased in December 2022 and remains in its original packaging with outer/inner boxes, warranty booklet, etc. It's an iconic watch reportedly at the end of its production run, with a potential price increase expected soon.
- Condition: UNWORN, as-new condition
- Box set included: true
- Outer/inner omega boxes included: true
- Warranty booklet included: true
![[WTS] Omega Speedmaster Blue Side of The Moon Aventurine Dial](https://preview.redd.it/38jpaouotkxe1.jpg?width=640&crop=smart&auto=webp&s=5f95590c8b296efd0bce3fbec80d9211abd7bfdd)
Omega Speedmaster Blue Side of The Moon Aventurine Dial
The Omega Speedmaster Blue Side of The Moon features an Aventurine glass dial, blue ceramic case, and Calibre 9904 movement with a 60 hour reserve. It is a stunning timepiece with a lot of complication.
- Condition: Excellent with very faint wear on the strap
- Case material: blue ceramic
- Diameter: 44mm
- Movement: Calibre 9904
![[WTS] Omega Speedmaster Sapphire Sandwich Full kit](https://preview.redd.it/o7roe44j9kxe1.jpg?width=640&crop=smart&auto=webp&s=39a3dea9a5689dc906e1d13d6977ec30ea00e2e3)
Omega Speedmaster Sapphire Sandwich Full kit
2017 Omega Speedmaster Sapphire Sandwich. Keeps exceptional time and runs without issues.
- Condition: Used but great condition
- Year: 2017
- Location: Located in Canada (shipped from US to avoid tariffs)
- Shipping Methods: CONTUS or Canada PP FF or Wire
![[WTS] Omega Speedmaster Triple Date MK40 3513.50 39mm](https://preview.redd.it/cw2u3v5s7ixe1.jpg?width=640&crop=smart&auto=webp&s=04553807d3609710640e5fb5bec880b1fc4efecb)
Omega Speedmaster Triple Date MK40 3513.50 39mm
The Omega Speedmaster MK40 3513.53 is a testament to timeless luxury and precision, featuring triple calendar functionality, chronograph features, date indicator, and tachymeter bezel.
- Condition: great condition
- Size: 39mm diameter
- Weight: not provided
- Case material: stainless steel
![[WTS] Brand New Omega Speedmaster Moonwatch Professional White Dial Reference 310.30.42.50.04.001 $7,800](https://preview.redd.it/3gnja26xkgxe1.jpg?width=640&crop=smart&auto=webp&s=56ebf29399eba1125a2e0877cefaf13fe34cfd8c)
Brand New Omega Speedmaster Moonwatch Professional White Dial Reference 310.30.42.50.04.001 $7,800
This Omega Speedmaster Moonwatch Professional features a beautiful white dial, comes with the full kit and warranty card, and is still under sticker.
- Condition: Brand new and unworn
- Location: Charleston, SC
- Shipping: FedEx Overnight Shipping