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 Date ref. 3212.80.00 40mm | Great Condition (with Box, Booklet, Cards & Serviced) | $2750](https://preview.redd.it/wjr48n2lve3h1.jpg?width=640&crop=smart&auto=webp&s=f07d0d44792fb34ad66e4d5ab217188feeb290d7)
Omega Speedmaster Date ref. 3212.80.00 40mm | Great Condition (with Box, Booklet, Cards & Serviced) | $2750
The Omega Speedmaster Date ref. 3212.80.00 features a versatile and often overlooked chapter in the Speedmaster lineage that blends classic chronograph functionality with everyday wearability. The watch is housed in a well-proportioned 40mm stainless steel case, making it suitable for a wide range of wrist sizes.
- Condition: Great condition with little sign of wear
- Case size: 40mm
- Bracelet length: up to 19cm (7.5inches)
- Water resistance: 100m
![[WTS] Omega Speedmaster Moonphase Chronograph 44mm, 2025, Complete Set, $8,500](https://preview.redd.it/yops90o3se3h1.jpeg?auto=webp&s=d4fe3bc562d23ae734542a8a13931bcb991db2b8)
Omega Speedmaster Moonphase Chronograph 44mm, 2025, Complete Set, $8,500
This Omega Speedmaster Moonphase Chronograph features a black sun brushed dial and ceramic tachymeter bezel. The watch includes a microstructured metallic crystal disc that shows actual lunar detail.
- Condition: Excellent
- Movement: Calibre 9904
- Bracelet material: Steel
![[WTS] Rare Vintage Omega Speedmaster Teutonic Gray Dial Bead-Blasted Case Hand Wound Ref Ref 145.0044](https://preview.redd.it/3fx9pb38gd3h1.jpg?width=640&crop=smart&auto=webp&s=14503599bb27390011aba5bd104ca13a4afb528e)
Rare Vintage Omega Speedmaster Teutonic Gray Dial Bead-Blasted Case Hand Wound Ref Ref 145.0044
A rare vintage Omega Speedmaster Teutonic ref 145.0044 in a unique gray dial with a bead-blasted case, manual wound cal 861 movement, and an integrated stainless steel bracelet.
- Condition: Pre-owned, with wear (scratches and nicks) but still looks great while wearing
- Case Size: 42MM diameter
- Movement Type: Manual wound Omega cal 861
- Bracelet Length: fits up to app 7.25 inches
![[WTS] Omega Speedmaster Professional - Apollo XVII 17 Limited 45th Anniversary - 311.30.42.30.03.001](https://preview.redd.it/44pm3ctt2d3h1.jpg?width=640&crop=smart&auto=webp&s=1780118a219e355e2209c69f3fdb275f96915c42)
Omega Speedmaster Professional - Apollo XVII 17 Limited 45th Anniversary - 311.30.42.30.03.001
This is the highly collectible Apollo XVII 45th Anniversary Limited Edition, featuring the striking blue dial and unique commemorative caseback design.
- Condition: Good overall pre-owned condition with normal wear throughout
- Size: 42mm diameter
- Caseback Design: Commemorative
![[WTS] Omega Speedmaster Professional "Hesalite" 311.30.42.30.01.005 - $3999](https://preview.redd.it/hj2tl2tphc3h1.jpg?width=640&crop=smart&auto=webp&s=e0e512d5983326c0e9773b5497abdd169b10ab13)
Omega Speedmaster Professional "Hesalite" 311.30.42.30.01.005 - $3999
For sale is my beloved Omega Speedmaster Professional Hesalite Moonwatch, a discontinued model with a caliber 1861 movement, running within spec at +7s/d.
- Condition: Pre-owned with wear on the clasp
- Caliber: 1861
- Box Contents: inner, outer boxes, manuals
![[WTS] Omega Speedmaster "Grey Side of the Moon” – 311.93.44.51.99.001 – Full Set](https://preview.redd.it/1zaa9kmtdc3h1.jpg?width=640&crop=smart&auto=webp&s=5f9ce4308ad3293d3e3b7a66e18fdbd87cee50dc)
Omega Speedmaster "Grey Side of the Moon” – 311.93.44.51.99.001 – Full Set
This Omega Speedmaster features a grey ceramic case and sandblasted platinum 'Lunar Dust' dial, giving it a stealthy and futuristic look while still feeling classic and classy.
- Condition: Excellent
- Case Size: 44.25mm
- Movement: Omega Co-Axial Caliber 9300 chronograph movement
![[WTS][US] Omega Speedmaster Moonwatch Professional - White Dial - 42mm- 310.30.42.50.04.001 - Full Set](https://preview.redd.it/utt6w6iznb3h1.jpg?width=640&crop=smart&auto=webp&s=d69976297039d557ec4999b1a8309a996afe7b6c)
[US] Omega Speedmaster Moonwatch Professional - White Dial - 42mm- 310.30.42.50.04.001 - Full Set
Omega Speedmaster Moonwatch Professional - White Dial in 42mm case size.
- Condition: pristine with minor hairlines on clasp, case, or bracelet
- Case Size: 42mm
![[WTS] Omega Speedmaster 3590.50 Serviced with Extra Omega Straps](https://preview.redd.it/bjhm0jqikb3h1.jpg?width=640&crop=smart&auto=webp&s=79455528ea46084a93aa6974db3c98f092c83783)
Omega Speedmaster 3590.50 Serviced with Extra Omega Straps
The Omega Speedmaster 3590.50 is a vintage classic from the 1994/95 collection, featuring an original tritium dial and historic caliber 861 movement.
- Condition: Good
- Case width: 42mm
- Year produced: 1994/95
- Movement manual included: yes
![[WTS] Omega Speedmaster Reduced 3310.10 Vintage 18K Yellow Gold with Steel ($1999)!](https://preview.redd.it/7639yu4ufb3h1.jpg?width=640&crop=smart&auto=webp&s=3f6bf6cbde4446cf4fe744dfa22d61b81eb207b8)
Omega Speedmaster Reduced 3310.10 Vintage 18K Yellow Gold with Steel ($1999)!
A vintage Omega Speedmaster Reduced in 18K yellow gold with a 39mm case, featuring an upgraded 175.0033 dial and running in healthy condition.
- Condition: Pre-owned with wear, healthy running condition
- Case size: 39mm diameter
- Serial date: 1989