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 Sedna Gold,New 2026, 22k](https://preview.redd.it/0w6v38kz5kvg1.jpg?width=640&crop=smart&auto=webp&s=aa7499e66ba141c7c2d769d45270dcd72fa03570)
Omega Speedmaster Sedna Gold,New 2026, 22k
A brand new Omega Speedmaster Sedna Gold, reference number 310.63.42.50.01.001.
- Condition: New
- Serial Number: 310.63.42.50.01.001
- Warranty Years: 2 (2026-2028)
- Box And Papers: true
![[WTS][US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set](https://preview.redd.it/jm2sanyzfxxg1.jpg?width=640&crop=smart&auto=webp&s=4cb8a335b8b495253814ff6022493e2fe292ddc2)
[US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set
Up for sale is an Omega Speedmaster First Omega in Space - FOiS - Full Set, which functions perfectly mechanically without issue.
- Condition: Fantastic with few hairlines
- Case Condition: few hairlines on case, clasp, and bracelet
- Box Status: Full Set
![[WTS] Omega Speedmaster Moonwatch (Reverse Panda) – Full Kit](https://preview.redd.it/hkd0val5bvxg1.jpg?width=640&crop=smart&auto=webp&s=6d156243fb068326ffdae937bdc8da5bb7e0d1cc)
Omega Speedmaster Moonwatch (Reverse Panda) – Full Kit
A classic Omega Speedmaster Moonwatch with an updated Co-Axial Master Chronometer movement, available as a full set including box, papers, and cards.
- Condition: Amazing, slight mark on the case
- Size: 40mm diameter
- Movement: Cal. 3861
- Power reserve: ~50 hours
![[WTS] Omega Speedmaster Triple Calendar Blue Sunburst Dial 3523.80 39mm | Great Condition (Serviced) | $2500](https://preview.redd.it/0h45pdypcuxg1.jpg?width=640&crop=smart&auto=webp&s=32f6c1d0700903d0a859133184613c5d0e84f9c1)
Omega Speedmaster Triple Calendar Blue Sunburst Dial 3523.80 39mm | Great Condition (Serviced) | $2500
The Omega Speedmaster Triple Calendar is a compact watch with a blue sunburst dial featuring a tachymeter scale and multiple complications. The stainless steel case measures approximately 44.7mm lug-to-lug and has an 18mm lug width.
- Condition: Great condition, recently serviced
- Case Size: 39mm diameter
- Lug Width: 18mm
- Lug To Lug: 44.7mm
![[WTS] Omega Speedmaster Pro White Dial](https://preview.redd.it/rz7ucn2h3uxg1.jpg?width=640&crop=smart&auto=webp&s=c72ad979815b7a8a619991656e9fb26565ae5b49)
Omega Speedmaster Pro White Dial
A beautiful Omega Speedmaster Pro with a white dial is up for sale, featuring a manual wind movement and coming as a full kit with card dated 09/2025.
- Condition: great condition with minimal wear on the case
- Size: 42mm diameter
- Movement: 3861 manual wind movement
![[WTS] Omega Speedmaster. Mother of pearl dial. 39mm. Automatic.](https://preview.redd.it/ertod1q68txg1.jpeg?auto=webp&s=9af72cd175e2f6600290a7451e123b13a376062f)
Omega Speedmaster. Mother of pearl dial. 39mm. Automatic.
This Omega Speedmaster features a 39mm automatic movement and a beautiful mother of pearl dial, along with gorgeous lume and an OEM omega strap.
- Case Size: 39mm diameter
- Movement Type: Automatic
![[WTS] 2025 Omega Speedmaster Silver Snoopy Award Full Set](https://preview.redd.it/xq7knbydisxg1.jpg?width=640&crop=smart&auto=webp&s=fec1924164ea42de6e75c3b64956fb3361371e36)
2025 Omega Speedmaster Silver Snoopy Award Full Set
The Omega Speedmaster Silver Snoopy Award 50th Anniversary is a highly sought-after model that celebrates the brand's historic relationship with NASA and commemorates the Silver Snoopy Award presented to Omega in 1970 for its contributions to the Apollo 13 mission.
- Case size: 42mm
- Movement: Manual Wind, Omega Caliber 3861 (Master Chronometer Certified)
- Dial color: Silver with blue accents
![[WTS] Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )](https://preview.redd.it/1cfvqukrirxg1.jpg?width=640&crop=smart&auto=webp&s=c4d754835486a0ed54f0b61b5b85f5249d1b5d2c)
Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )
This Omega Speedmaster Moonwatch Professional Sapphire is a brand new watch with a stainless steel case and 3861 Omega Master Chronometer Movement.
- Condition: Brand new
- Case Size: 42mm diameter
- Movement: 3861 Omega Master Chronometer
![[WTS] Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )](https://preview.redd.it/857rwgxbhrxg1.jpg?width=640&crop=smart&auto=webp&s=d7503629626a44b0b1b46ea9bee4f0f90d5c1820)
Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )
A brand new Omega Speedmaster Moonwatch Professional Hesalite, complete with all boxes and papers.
- Condition: Brand new
- Case size: 42mm diameter
- Movement type: Omega Master Chronometer Movement