Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Plexi / Kanjar Oman
Reference 310.30.42.50.01.003
About this watch
The Omega Speedmaster Professional Moonwatch 3861 is a piece of history wrapped around your wrist, with its rich lineage and modern upgrades capturing the hearts of watch enthusiasts and collectors alike. This manual-winding chronograph movement features a co-axial escapement and silicon balance spring, making it resistant to magnetic fields up to 15,000 gauss. The plexi glass provides a warm, vintage feel that many collectors adore, while the stainless steel case measures 42mm in diameter and has a water resistance of 50 meters. This timepiece is perfect for everyday wear, suitable for both formal and casual occasions. With its stunning design, robust movement, and versatility, it's a celebration of heritage, precision, and style.
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Key Features
- Omega Caliber 3861 Movement
- Plexi Glass with Vintage Feel
- 42mm Stainless Steel Case
- 50m Water Resistance
- Manual-Winding Chronograph Function
- Co-Axial Escapement and Silicon Balance Spring
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Plexi / Kanjar Oman
- Reference
- 310.30.42.50.01.003
- Movement
- 3861
- Movement Features
-
- Small Seconds, Hours, Minutes
- Chronograph
- Chronometer
- Case
- Stainless Steel 42mm
- Dial Color
- Black
- Crystal
- Plexi
- Water Resistance
- 50
Current Listings
![[WTS] Omega Speedmaster Moonwatch Professional Moonshine Gold 42mm Complete Set 310.62.42.50.99.001](https://preview.redd.it/hsnipcyywgvf1.jpeg?auto=webp&s=18d6d9d0a86d30c87288a2d5468c4915e6512e1e)
Omega Speedmaster Moonwatch Professional Moonshine Gold 42mm Complete Set 310.62.42.50.99.001
A work of art from every angle, the Omega Speedmaster Moonwatch is anti-magnetic with a co-axial escapement, making it perfect for daily wear.
- Condition: Excellent
- Case size: 42mm diameter
- Movement caliber: Omega 3861
- Power reserve: 50 hours
![[WTS] Omega Speedmaster Date Grey 40mm Automatic 323.30.40.40.06.001](https://preview.redd.it/9im2aut9ncvf1.jpg?width=640&crop=smart&auto=webp&s=cfa201b83fe5b0c6cbcc51cbcfc0aa9caecda061)
Omega Speedmaster Date Grey 40mm Automatic 323.30.40.40.06.001
A beautiful Omega Speedmaster in a 40mm size, perfect for most wrists.
- Condition: Very good
- Size: 40mm diameter
- Case condition: Minimal signs of wear
![[WTS] Omega Speedmaster Broad Arrow 3594.50 (EU seller)](https://preview.redd.it/60k34gh9vavf1.jpg?width=640&crop=smart&auto=webp&s=5b744d635fac6b8e6066e2d4d6c957e0bba1371c)
Omega Speedmaster Broad Arrow 3594.50 (EU seller)
This Omega Speedmaster Broad Arrow is a unique design with a 42mm case, featuring calibre 1861 and accompanied by its original box and papers from 2004.
- Condition: Excellent condition, 20-year-old
- Size: 42mm diameter
- Bracelet material: Original steel
![[WTS] Omega Speedmaster Professional Moonwatch 18k Sedna Gold Black Dial 310.60.42.50.01.001](https://preview.redd.it/g8xi0btut9vf1.jpeg?auto=webp&s=e415f2796471345c17597193a1ce73f81a2b26c5)
Omega Speedmaster Professional Moonwatch 18k Sedna Gold Black Dial 310.60.42.50.01.001
A stunning Omega Speedmaster Professional Moonwatch with 18k Sedna gold and a deep black dial. This watch presents in excellent condition and comes with its outer box, inner box, booklet, and warranty card.
- Condition: Excellent, little to no signs of wear
- Movement: Mechanical (Manual) Movement Caliber: Omega 3861
- Case Size: 42mm diameter
- Thickness: 13.18mm
![[WTS][US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002](https://preview.redd.it/4p7tb1ylo9vf1.jpg?width=640&crop=smart&auto=webp&s=1f72c9bc89c9d586c6d8e70fe757be585d6be3d2)
[US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002
A 43mm Omega Speedmaster Chronoscope with a White Panda Dial, in excellent working order and accompanied by original accessories.
- Condition: Fantastic with minor hairlines
- Diameter: 43mm
![[WTS] OMEGA Speedmaster Moonwatch White Dial 2025 Full Set 310.30.42.50.04.001](https://preview.redd.it/1kn8b7oic5vf1.jpg?width=640&crop=smart&auto=webp&s=cd70ea2ae29c2229343ece05c3d9da93a2723484)
OMEGA Speedmaster Moonwatch White Dial 2025 Full Set 310.30.42.50.04.001
A white dial Omega Speedmaster Moonwatch with a stainless steel case, sapphire crystal, and water resistance of 5ATM (50 meters), powered by the in-house caliber 3861.
- Case diameter: 42mm
- Case thickness: 13.18mm
- Water resistance: 50m depth rating
![[WTS] 2023 Omega Speedmaster Moonwatch Professional | 310.30.42.50.01.002 | Complete | Sapphire Sandwich | Speedy](https://preview.redd.it/pxpr0vqjf4vf1.jpg?width=640&crop=smart&auto=webp&s=e7496a20102dbe6bffffa4326309ad0c59c8e3ce)
2023 Omega Speedmaster Moonwatch Professional | 310.30.42.50.01.002 | Complete | Sapphire Sandwich | Speedy
The Omega Speedmaster Moonwatch Professional 'Sapphire Sandwich' is a gorgeous watch highlighted by the two sapphire crystals, making it perfect for daily wear. It's comfortable, simple, and practical.
- Condition: Excellent
- Box: Complete set
- Papers: Full set of documents
- Links: Full links present
2022 Omega Speedmaster Moonwatch Sapphire 42mm 310.30.42.50.01.002 Mint Complete
This 2022 Omega Speedmaster Moonwatch Sapphire 42mm is a first watch worn on the moon, featuring photos and a video on the seller's website.
- Condition: Minty fresh
- Case size: 42mm
- Year: 2022
- Contents: watch,inner & outer boxes,warranty card,pictogram,master chronometer,instruction booklet,black travel case,hang tag,cleaning cloth,Moonwatch Booklet
Omega Speedmaster Chronograph - Blue - Stainless Steel - 38mm - Mint
This Omega Speedmaster Chronograph features a 38mm stainless steel case, blue dial, and automatic movement.
- Condition: Pre-Owned - Mint
- Case size: 38mm diameter
- Bracelet type: Stainless Steel
- Dial color: Blue