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] 2005 Omega Speedmaster Professional "Sapphire Sandwich" Ref. 3573.50 Watch + Card and Tag - $4,800](https://preview.redd.it/szl912qzz40h1.jpg?width=640&crop=smart&auto=webp&s=8ec5d61fa79305ba3c38ad9c52133584aee2b52c)
2005 Omega Speedmaster Professional "Sapphire Sandwich" Ref. 3573.50 Watch + Card and Tag - $4,800
This Omega Speedmaster Professional Moonwatch is a stainless steel watch with a sapphire crystal and an Omega 1863 movement, featuring a 42mm diameter case.
- Condition: Good
- Case material: Stainless steel
- Crystal material: Sapphire
- Movement: Omega 1863
![[WTS] 2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995](https://preview.redd.it/dma1pdo9r40h1.jpg?width=640&crop=smart&auto=webp&s=8853bfe7eb5646b566d87889c88899a057f6f4d8)
2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995
A 2020 Omega Speedmaster Moonphase Black, in excellent condition with minimal signs of wear, featuring a moon phase function and a sleek black design.
- Condition: Excellent condition with minimal signs of wear
- Year: 2020
- Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
![[WTS] Omega Speedmaster Reduced (automatic)](https://preview.redd.it/bgpbli97b40h1.jpg?width=640&crop=smart&auto=webp&s=0ed70bf2ec83716240686b3eda512439aa08c359)
Omega Speedmaster Reduced (automatic)
A beautiful Omega Speedmaster Automatic in good condition, featuring the iconic Speedmaster design in a more wearable 38mm automatic configuration.
- Condition: Good overall condition for its age, normal signs of wear consistent with age
- Movement: Automatic chronograph movement
- Case Material: Stainless steel
- Crystal: Hesalite
![[WTS] UNWORN Omega Speedmaster ’57 Master Chronometer – BOX & PAPERS – 332.10.41.51.01.001](https://preview.redd.it/5ux47hcc040h1.jpg?width=640&crop=smart&auto=webp&s=f8a53e5625a4429163384c232b69dd0573d247ea)
UNWORN Omega Speedmaster ’57 Master Chronometer – BOX & PAPERS – 332.10.41.51.01.001
- Condition: Unworn
- Movement: Manual-wind Cal 9906
- Case material: Stainless-steel
- Case diameter: 40.5mm
![[WTS] 2026 Omega Speedmaster Professional White Dial 310.32.42.50.04.002 Full Set $7,250](https://preview.redd.it/yuqfxi83m00h1.jpg?width=640&crop=smart&auto=webp&s=e50215acc82fe04d705bda6556ae79a792fe5bc4)
2026 Omega Speedmaster Professional White Dial 310.32.42.50.04.002 Full Set $7,250
A modern Moonwatch configuration featuring a lacquered white dial paired with a strap setup, delivering a clean and high-contrast look while maintaining the iconic Speedmaster design.
- Condition: Like new
- Case Size: 42mm diameter
- Case Material: Stainless steel
- Movement: Manual wind (Omega Calibre 3861 Master Chronometer)
![[WTS] Omega Speedmaster Professional Moonwatch – Ref. 310.30.42.50.01.001 – Excellent Condition – 2022 - $5,399 🔥🔥🔥](https://preview.redd.it/2g4w4rhjl00h1.jpg?width=640&crop=smart&auto=webp&s=ca26ab2f0528d3296025d5d8a348290a49c5ae41)
Omega Speedmaster Professional Moonwatch – Ref. 310.30.42.50.01.001 – Excellent Condition – 2022 - $5,399 🔥🔥🔥
This Omega Speedmaster Professional Moonwatch features the iconic Hesalite crystal and manual-wind Master Chronometer movement 3861. It's in excellent condition with only extremely light signs of wear and is running strong with warranty left for peace of mind.
- Condition: Excellent, minimal hairline scratches.
- Case Size: 42mm
- Movement: Manual-wind Co-Axial Master Chronometer (Cal. 3861)
- Crystal: Hesalite
![[WTS] Omega OEM Integrated Speedmaster Moonwatch Rubber Strap with Aftermarket Clasp - (Strap Backordered thru Omega)- $275 shipped](https://preview.redd.it/0lsufzcl700h1.jpg?width=640&crop=smart&auto=webp&s=4669d2da8247d2fd43735018797e3e92df77e288)
Omega OEM Integrated Speedmaster Moonwatch Rubber Strap with Aftermarket Clasp - (Strap Backordered thru Omega)- $275 shipped
A black Omega rubber strap designed for the Speedmaster Professional, made from OEM materials and featuring an aftermarket clasp.
- Condition: Very Good
- Material: rubber
- Lug size compatibility: 20mm
![[WTS] Omega Speedmaster Reduced Sapphire - Ref. 3539.50 - Serviced by Omega - Full Set](https://preview.redd.it/56v5c0dr400h1.jpg?width=640&crop=smart&auto=webp&s=b67e86ec870725b2961ad68ff1c4a330732c3716)
Omega Speedmaster Reduced Sapphire - Ref. 3539.50 - Serviced by Omega - Full Set
Up for sale is my Omega Speedmaster Reduced in ref. 3539.50 — the 39mm automatic variant of the Speedmaster family with the sapphire crystal.
- Condition: Excellent
- Case size: 39mm
- Movement type: automatic
![[WTS] Omega OEM Integrated Speedmaster Moonwatch Rubber Strap with OEM Clasp - (Backordered thru Omega) $550 shipped](https://preview.redd.it/8a5m5hcs400h1.jpg?width=640&crop=smart&auto=webp&s=9bf6757d2a80df8bee317858b44d0debf038da98)
Omega OEM Integrated Speedmaster Moonwatch Rubber Strap with OEM Clasp - (Backordered thru Omega) $550 shipped
Additional Details: Ref: STZ007387 Omega OEM stainless steel deployant clasp (16mm) Designed for the Omega Speedmaster Professional with 20mm lugs.
- Condition: Very Good
- Lug size: 20mm
- Clasp type: 16mm stainless steel deployant clasp