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] 2024 Omega Speedmaster Moonwatch Professional White Dial 310.30.42.50.04.001 Box and Papers](https://preview.redd.it/a6ghsyzqup3h1.jpg?width=640&crop=smart&auto=webp&s=f49ba118cdc3f91dedc73a0bcf0f6be7e149758a)
2024 Omega Speedmaster Moonwatch Professional White Dial 310.30.42.50.04.001 Box and Papers
This is a 2024 Omega Speedmaster Moonwatch Professional with a white dial and reference number 310.30.42.50.04.001. It features an excellent condition case, bracelet, and clasp.
- Condition: Excellent condition with minimal signs of wear
- Case size: 42mm diameter
- Water resistance: 50m water resistant
- Warranty: 5 year warranty remaining
![[WTS] Omega Speedmaster Moonphase 304.33.44.52.01.001](https://preview.redd.it/18h14e6avo3h1.jpg?width=640&crop=smart&auto=webp&s=e89e161b5458f62b7d847bb36c63d88dc33f52ab)
Omega Speedmaster Moonphase 304.33.44.52.01.001
This Omega Speedmaster features a moonphase complication, chronograph, and automatic co-axial movement 9904.
- Condition: Good pre-owned condition
- Size: 44.25mm diameter
- Movement: Automatic co-axial movement 9904
- Strap: Omega leather strap
![[WTS] Omega Speedmaster Reduced Ref. 3510.50 | Early Tritium Dial Variant | $2700 (SERVICED)](https://preview.redd.it/vaqct9tkso3h1.jpg?width=640&crop=smart&auto=webp&s=316ba963dc169c991ffe6a0227138379bce34338)
Omega Speedmaster Reduced Ref. 3510.50 | Early Tritium Dial Variant | $2700 (SERVICED)
The Omega Speedmaster Reduced Ref. 3510.50 is a compact 39mm automatic watch with an early tritium dial variant, carrying the classic black dial, tachymeter bezel, and chronograph layout.
- Condition: Great condition with some use and minor scratches
- Diameter: 39mm diameter
- Thickness: 14mm thickness
- Lug-to-lug: 44mm lug-to-lug length
![[WTS] OEM Omega Speedmaster rubber strap with Omega deployant clasp](https://preview.redd.it/im6iozslmo3h1.jpg?width=640&crop=smart&auto=webp&s=d5ca4fe271c6fbfe433b1782908f3878da83f487)
OEM Omega Speedmaster rubber strap with Omega deployant clasp
This listing is for an OEM Omega Speedmaster rubber strap with deployant clasp that does not fit the seller due to their wrist size.
- Material: rubber
![[wts] 2025 Omega Speedmaster Racing
329.30.44.51.04.001 $6999](https://preview.redd.it/q2ld0uazpl3h1.jpg?width=640&crop=smart&auto=webp&s=48f9fd88b897acaa45048309e7f2ad3c8a12d4cf)
2025 Omega Speedmaster Racing 329.30.44.51.04.001 $6999
This Omega Speedmaster Racing Master Chronometer features a stainless steel case and bracelet with a black ceramic bezel ring and includes the famous tachymeter scale filled with white enamel.
- Condition: Pre Owned, Cosmetic Condition: 9/10
- Case size: 44 mm diameter
- Movement: 9900 caliber
- Power reserve: 60 hours
![[WTS] Omega Speedmaster Professional Moonwatch – Ref. 311.30.42.30.01.005 – $5,250](https://preview.redd.it/v1l9pcwm7l3h1.jpg?width=640&crop=smart&auto=webp&s=edd6d2083b90b05acab9663e72c24a38049113f2)
Omega Speedmaster Professional Moonwatch – Ref. 311.30.42.30.01.005 – $5,250
This Omega Speedmaster Professional Moonwatch is a high-end timepiece known for its accuracy and style.
- Serial number: available upon request
![[WTS] Omega Speedmaster Professional Moonwatch – Ref. 311.30.42.30.01.005 $5150](https://preview.redd.it/u4667kub5l3h1.jpg?width=640&crop=smart&auto=webp&s=b3b9bcf9c984f1fba2f951035e4f6c18107d56da)
Omega Speedmaster Professional Moonwatch – Ref. 311.30.42.30.01.005 $5150
A user's Omega Speedmaster Professional Moonwatch, a family heirloom that has been featured on the PrideAndPinion forum.
- Year Posted On Forum: four years ago
![[WTS] May 2026 Omega Speedmaster Silver Snoopy BNIB 310.32.42.50.02.001 $15,499](https://preview.redd.it/3od81fv7tj3h1.jpeg?auto=webp&s=53f24e49c1bafd8ab8ce1e6ed6a7a07aa8a33033)
May 2026 Omega Speedmaster Silver Snoopy BNIB 310.32.42.50.02.001 $15,499
Up for sale is the Omega Speedmaster “Silver Snoopy Award” 50th Anniversary in brand new condition, widely considered one of the most playful and highly coveted special-edition luxury timepieces ever produced by Omega.
- Condition: Brand new in box with warranty
- Case size: 42mm diameter
- Case thickness: 14.4mm
- Lug width: 20mm
![[WTS] Omega Speedmaster Racing 329.32.44.51.01.001 + FREE OEM Omega Bracelet](https://preview.redd.it/xo3a9mhqqj3h1.jpg?width=640&crop=smart&auto=webp&s=83a810525ed362aa4c855d295a1c41ca3ac37d6c)
Omega Speedmaster Racing 329.32.44.51.01.001 + FREE OEM Omega Bracelet
This Omega Speedmaster Racing features a ceramic tachy bezel, METAS-certified Caliber 9900, and one of the best black/orange dials Omega has put out in years. The orange chrono handset and racing minute track give this watch more personality than the standard Speedy lineup.
- Condition: Excellent overall condition with only light signs of wear
- Case size: 44.25mm
- Water resistance: 100m
- Movement: Co-Axial Master Chronometer Caliber 9900