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
Omega Speedmaster - White Dial - 310.30.42.50.04.001 - LNIB - 6/2025
This Omega Speedmaster features a white dial and is in like-new condition, complete with box and papers.
- Condition: Like-New
- Case Material: Stainless Steel
- Case Size: 42mm
- Strap Type: Stainless Steel
![[WTS] 2023 Omega 304.30.44.52.01.001 – Speedmaster Moonphase Moonwatch $7,250](https://preview.redd.it/t3ct2o5ifref1.jpg?width=640&crop=smart&auto=webp&s=585027240111c8055d54e9301472b8148bf8c684)
2023 Omega 304.30.44.52.01.001 – Speedmaster Moonphase Moonwatch $7,250
The listing features a 2023 Omega Speedmaster Moonphase Moonwatch, blending space heritage with moonphase elegance.
- Condition: Excellent
- Case Size: 44.25mm diameter
- Case Material: Stainless Steel
- Dial Color: Black
![[WTS] Omega Speedmaster Moonwatch Black Leather Strap w/ Stainless Steel Foldover Clasp – Full OEM Set – SKU: 032CUZ014116](https://preview.redd.it/l6yv9dpvkqef1.jpg?width=640&crop=smart&auto=webp&s=cb3e73eb0b9017e682e20e146b972b5199d9717c)
Omega Speedmaster Moonwatch Black Leather Strap w/ Stainless Steel Foldover Clasp – Full OEM Set – SKU: 032CUZ014116
- Case size: 42mm
- Band material: black leather
- Clasp type: stainless steel foldover
![[WTS] Omega Speedmaster FOIS Numbered Edition](https://preview.redd.it/0xfhgn8giqef1.jpg?width=640&crop=smart&auto=webp&s=40b49714345bc8c0bd52fa244e00f61d96f91781)
Omega Speedmaster FOIS Numbered Edition
Original Omega Speedmaster FOIS Numbered Edition in great working order. Comes with box, warranty card, and manual.
- Condition: Great condition
- Box: true
- Warranty card: true
- Manual: true
![[WTS] Omega Speedmaster Professional White Dial – Ref. 310.30.42.50.04.001 (Full Set) $7,875](https://preview.redd.it/377kbj6iiqef1.jpg?width=640&crop=smart&auto=webp&s=aff46fb93760b10cff4baba4e2e640068ed24eec)
Omega Speedmaster Professional White Dial – Ref. 310.30.42.50.04.001 (Full Set) $7,875
This is a manual-wind Omega Speedmaster Moonwatch Professional with a white dial and METAS-certified Calibre 3861, featuring sapphire crystal and 50m water resistance.
- Condition: Excellent pre-owned
- Case size: 42mm diameter
- Water resistance: 50m
- Movement type: Manual wind
![[WTS] Omega Speedmaster Professional Hesalite Sandwich Cal. 1863 3572.50 $4,299](https://preview.redd.it/r2wt80p2npef1.jpeg?auto=webp&s=8ba406a361a284b4f2dcd5f6d7dab9f9f3edbad7)
Omega Speedmaster Professional Hesalite Sandwich Cal. 1863 3572.50 $4,299
This Omega Speedmaster Professional Moonwatch features a Hesalite crystal and a rhodium plated cal. 1863 movement visible through sapphire glass.
- Condition: Pre-owned with small marks on Hesalite crystal
- Case size: 42mm diameter
- Lug width: 20mm
- Movement type: Manual wound
![[WTS] $7200 insured shipping CONUS! Omega Speedmaster Moonwatch Lacquered White Dial Ref. 310.30.42.50.04.001](https://preview.redd.it/04fdjk8jjpef1.jpg?width=640&crop=smart&auto=webp&s=4180cb093db7c4bd34cb569c49a4fb0002c241a4)
$7200 insured shipping CONUS! Omega Speedmaster Moonwatch Lacquered White Dial Ref. 310.30.42.50.04.001
This Omega Speedmaster Moonwatch features a stunning white dial and is powered by a modern Master Chronometer Movement with a Co-Axial escapement.
- Condition: Pre-owned, lightly worn
- Diameter: 40mm
- Material: Stainless steel
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