Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink
Reference 310.20.42.50.99.001
About this watch
The Omega Speedmaster Professional Moonwatch 310.20.42.50.99.001 is a stunning blend of tradition and innovation, featuring a unique Sedna Gold and pink finish. Its 42mm stainless steel case and Sedna Gold accents command attention, while the remarkable Omega caliber 3861 movement boasts a co-axial escapement, reducing friction for enhanced accuracy and longevity. Certified by METAS as a Master Chronometer, this watch can resist magnetic fields reaching an impressive 15,000 gauss. The sunburst pink finish adds sophistication, making it perfect for both casual and formal settings.
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Key Features
- Omega caliber 3861 movement
- 42mm stainless steel case
- Sedna Gold accents
- Co-axial escapement
- Master Chronometer certified by METAS
- 50m water resistance
- Chronograph function
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink
- Reference
- 310.20.42.50.99.001
- Movement
- 3861
- Movement Features
-
- Small Seconds, Hours, Minutes
- Chronograph
- Chronometer
- Case
- 42mm
- Dial Color
- Pink
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings

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
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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
![[WTS] 01/2025 Omega Speedmaster Sapphire Complete Set * $6,250 + label*](https://preview.redd.it/56h66hq3kgxe1.jpg?width=640&crop=smart&auto=webp&s=566873cca8680d914983a10df499b8816152e4a2)
01/2025 Omega Speedmaster Sapphire Complete Set * $6,250 + label*
This is a 2025 Speedmaster Sapphire sandwich Complete Set with micro-adjust clasp, including all cards and hang tag, travel case, literature, and cleaning cloth.
- Condition: Great condition, no issues
- Year: 1/2025
- Case contents: All cards and hang tag, travel case, Speedmaster literature, cleaning cloth
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Omega Speedmaster Moonwatch Professional Hesalite, 310.32.42.50.01.001
This Omega Speedmaster Moonwatch Professional Hesalite is in excellent condition with minimal signs of wear and comes with a canvas strap, full set including warranty.
- Condition: excellent with minimal signs of wear
- Water Resistance: 30m
- Crystal Type: Hesalite
- Movement: Cal 3861
![[WTS] Omega Speedmaster Snoopy in RARE Full Collector Set](https://preview.redd.it/u7q2wwy6xfxe1.jpg?width=640&crop=smart&auto=webp&s=37545368fed0211a07f0d38068d593d044154ae9)
Omega Speedmaster Snoopy in RARE Full Collector Set
The Omega Speedmaster Snoopy is a rare and limited edition watch released in 2003 to celebrate the Silver Snoopy award given to Omega for its involvement in the Apollo 13 mission. The watch features an iconic hand-wound cal 1861 chronograph movement and a stunning dial with limited edition Snoopy artwork on the back.
- Condition: Ultra clean condition, with minimal signs of wear
- Movement: Iconic hand-wound calibre 1861 chronograph
- Bracelet Length: >7.5 inches
- Case Size: 42MM stainless steel case
![[WTS] Omega Speedmaster hesalite 3861](https://preview.redd.it/wt75ddxrufxe1.jpeg?auto=webp&s=d417e8094d8457f7e9c0075394fa7caf9c84671d)
Omega Speedmaster hesalite 3861
2022 Omega Speedmaster Professional hesalite model, comes with warranty cards, box, manuals, and price tag.
- Warranty Cards Box Manuals: included
- Spiral Winder: yes
- Sapphire Case Back: yes