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] Omega Speedmaster Moonwatch Professional Sapphire Sandwich 310.30.42.50.01.002](https://preview.redd.it/u2yvamthx59g1.jpeg?auto=webp&s=1b0c90ca5a3705157504be6d2a56b6778d038d77)
Omega Speedmaster Moonwatch Professional Sapphire Sandwich 310.30.42.50.01.002
This is the Omega Speedmaster Moonwatch Professional Sapphire Sandwich, a luxury watch featuring high-end materials and craftsmanship.
- Condition: Mint
- Box and papers: complete set, including warranty card
- Links: all links included
![[WTS][US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002](https://preview.redd.it/i4grqna9r49g1.jpg?width=640&crop=smart&auto=webp&s=0c5fa4ed60dcfdd481ee9d8e8a95d0359daee027)
[US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002
This Omega Speedmaster Chronoscope features a 43mm white panda dial, and has been well maintained.
- Condition: Fantastic condition with minor hairlines
- Case size: 43mm diameter
![[WTS] omega speedmaster Mario. Year-1999. Excellent condition. Box and Papers included](https://preview.redd.it/6fb9k2nvd29g1.jpg?width=640&crop=smart&auto=webp&s=b887b64c3bc3421e7248ee5e0fa5d47e98d78a72)
omega speedmaster Mario. Year-1999. Excellent condition. Box and Papers included
This Omega Speedmaster is a rare Japanese model, known as the Marui, from 1999. It's in great condition with its original box and papers.
- Condition: Excellent condition
- Year: 1999
- Location: Japan
![[WTS] Omega Speedmaster Professional White Dial (Full Set 9/2025)](https://preview.redd.it/dvabe408529g1.jpg?width=640&crop=smart&auto=webp&s=b6bfbf014467d97c3d6feef21acdc03b0075bdc7)
Omega Speedmaster Professional White Dial (Full Set 9/2025)
Up for sale is a beautiful Omega Speedy Pro White Dial, it comes with box & papers dated 09/2025 and has been worn only a few times.
- Condition: Great condition with minimal wear
- Movement type: Manual Wind
- Size: 42mm diameter
- Accessories included: Box & papers
![[WTS] Omega 20mm OEM Integrated Speedmaster Moonwatch Professional Black Rubber Strap (Sold Out) & Omega OEM Deployant Clasp $550 Shipped](https://preview.redd.it/y1avflz0329g1.jpg?width=640&crop=smart&auto=webp&s=8b17ceb26800a642013e00c698e92099f14b02cb)
Omega 20mm OEM Integrated Speedmaster Moonwatch Professional Black Rubber Strap (Sold Out) & Omega OEM Deployant Clasp $550 Shipped
This is a listing for an Omega Speedmaster Moonwatch Professional with a black rubber strap and deployant clasp. The watch features a 20mm lug size.
- Material: Black Rubber
- Ends: curved
- Lug width: 20mm/16mm
![[WTS] Omega Speedmaster Milano-Cortina 2026 LE (BNIB)](https://preview.redd.it/q03ahqbaw19g1.jpg?width=640&crop=smart&auto=webp&s=40b5095e5c583db1a6c78ea41aee35bff9d2bf00)
Omega Speedmaster Milano-Cortina 2026 LE (BNIB)
A special Speedmaster created to celebrate the Milano-Cortina 2026 Winter Games with a distinctive design. This limited edition blends classic Speedy DNA with unique dial and color accents.
- Condition: New, unworn (BNIB)
- Size: 38mm diameter
- Movement: Automatic Cal 3330
- Accessories: Box & papers
![[WTS] Omega Speedmaster Reduced. Automatic.](https://preview.redd.it/q04fmvzyf19g1.jpeg?auto=webp&s=12e575f1839080ee40e97c4e5fc0dd0c125541e1)
Omega Speedmaster Reduced. Automatic.
This Omega Speedmaster Reduced is an automatic chronograph watch.
- Shipping: Fedex with insurance, globally accepted
- Facetime: available to show the watch
![[WTS] Omega Speedmaster Moonwatch Professional Sapphire Sandwich 310.30.42.50.01.002](https://preview.redd.it/uo3h6wp8719g1.jpg?width=640&crop=smart&auto=webp&s=b45d31150539f1b1602de9eedd6623a57e480400)
Omega Speedmaster Moonwatch Professional Sapphire Sandwich 310.30.42.50.01.002
This is a mint Omega Speedmaster Moonwatch Professional Sapphire Sandwich with additional accessories including box, warranty cards, outer box, and links.
- Condition: mint
- Box: yes
- Warranty card: 3 cards
- Outer box: yes
![[WTS] Omega Speedmaster. Moonwatch. Sapphire Sandwich. **Mitsukoshi Dial - 300 Limited Edition**](https://preview.redd.it/gryef3rn509g1.jpeg?auto=webp&s=882cd29d4678ee91183ded948113fef3dd831ec2)
Omega Speedmaster. Moonwatch. Sapphire Sandwich. **Mitsukoshi Dial - 300 Limited Edition**
This is a limited edition Omega Speedmaster Moonwatch featuring a Mitsukoshi dial, one of only 300 produced. It includes a full kit and comes with both the modified and original dials.
- Dial material: Mitsukoshi Dial (limited edition)
- Additional dials included: OEM Black Speedy Dial
- Case size: 40mm diameter