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

Pre-Owned Omega Speedmaster Dark Side of the Moon Apollo 8 311.92.44.30.01.00
A pre-owned Omega Speedmaster Dark Side of the Moon Apollo 8, a black ceramic watch with a hand-wind movement and 50m water resistance.
- Condition: 95% condition, faint marks on sides and back of case, strap in 94% condition due to minor wear and creasing
- Movement: Hand-Wind
- Case size: 44mm diameter
- Material: Ceramic
![[WTS] 2019 Omega Speedmaster 57’ 40.5mm Black Dial 331.10.42.51.01.001](https://external-preview.redd.it/pDI5q-1kFE2D4EYw6gUbP66AbF5kbzSXoq_NI-gGJnw.jpeg?auto=webp&s=cb549b11a739357771bb748133c3fced55bad53d)
2019 Omega Speedmaster 57’ 40.5mm Black Dial 331.10.42.51.01.001
2019 Omega Speedmaster 57' with a 40.5mm black dial, featuring full links and a double-boxed package.
- Condition: Excellent Pre-Owned Condition
- Diameter: 40.5mm
![[WTS] 2024 Omega Speedmaster Moonwatch Professional Hesalite 310.32.42.50.01.001](https://external-preview.redd.it/iY-R8yC61XitR3UZNJJqp7as7uEwoxCd-VgUo-YKcsY.jpeg?auto=webp&s=4390575a4e9e097ac4d507111f59cba94b6e24f2)
2024 Omega Speedmaster Moonwatch Professional Hesalite 310.32.42.50.01.001
2024 Omega Speedmaster Moonwatch Professional with Hesalite crystal, 42mm diameter, and Master Chronometer certification.
- Condition: Excellent Pre-Owned Condition
- Case Size: 42mm diameter
![[WTS] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set](https://external-preview.redd.it/Y3N5a2twM2JqNDhmMVn99S7j1BCF-bdV_30u-MGPEe30jx-fRXgvlKaLijIA.png?format=pjpg&auto=webp&s=05180b75cb129cafbe8db8ea41843f50a0cc40b9)
Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002 - Full Set
The Omega Speedmaster Chronoscope features a distinctive white panda dial with three timing scales in a 1940's design, including tachymeter, pulsometer, and telemeter scales.
- Condition: exceptional, mint condition with slight marks on the clasp and case side
- Diameter: 43mm
OCT 2024 Omega Speedmaster racing 9900 44.25mm 329.33.44.51.01.001
This Omega Speedmaster racing watch features a 44.25mm case size, is from the factory in October 2024, and has a retail price of $9200 plus tax.
- Condition: Good condition and full set
- Case Size: 44.25mm
- Warranty Date: OCT 2024
- Retail Price: $9200 plus tax
![[WTS] 2009 Omega Speedmaster Alaska Project - 311.32.42.30.04.001- 42mm - Near Full Set [US]](https://external-preview.redd.it/8jpGnTuv0KCq-daOd6HkIvyHdrHq_XO8sbNbtkQ07eE.jpeg?auto=webp&s=80b2834016312fe27a89d284d46f5956d17d7555)
2009 Omega Speedmaster Alaska Project - 311.32.42.30.04.001- 42mm - Near Full Set [US]
A nearly complete set of the 2009 Omega Speedmaster Alaska Project, a 42mm watch that functions perfectly mechanically.
- Condition: Excellent condition with hairlines at most
- Size: 42mm diameter
- Set completeness: nearly full set
Omega Speedmaster Moonphase Moonwatch Moonwatch Blue 44mm 304.33.44.52.03.001 Leather
A 44mm stainless steel Omega Speedmaster Professional Moonwatch with a blue dial, sapphire crystal, and automatic self-winding movement. It features a chronograph, date indicator, and moonphase function.
- Condition: Very good condition with signs of wear as pictured
- Case Diameter: 44.25mm
- Band Material: Dark Blue Leather Strap
- Crystal Type: Sapphire

Omega Speedmaster Date 3210.50.00
A pre-owned Omega Speedmaster Date with a date display, chronograph functions, and a stainless steel bracelet.
- Condition: Excellent condition
- Bracelet size: 7.5" wrist
- Links removable: 7
![[WTS] Omega Speedmaster Date 3210.50.00](https://preview.redd.it/o3pgvgpymy7f1.jpeg?auto=webp&s=fe994aecc3b43528d62e72e3c70686da26075c8e)
Omega Speedmaster Date 3210.50.00
A Omega Speedmaster Date in good working order with a 7.5 inch wrist size and a removable bracelet.
- Condition: Excellent
- Bracelet length adjustment: 7 removable links
- Wrist size compatibility: up to 7.5"
- Features verified via video conference: true