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
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![[WTS] Omega Speedmaster 3861 Moonwatch - Sapphire - 310.30.42.50.01.002 (Full Set in Excelent Condition)](https://preview.redd.it/l20dg7z3tpmg1.png?width=640&crop=smart&auto=webp&s=0164b7a867aedf522d2a7bca327743d2c01d2777)
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![[WTS] Omega Speedmaster 105-002-62 -factory 7912 - 6 endlinks 24 links - no stretch. Perfect dial. $20,000 super nice example.](https://preview.redd.it/zootv73seomg1.jpg?width=640&crop=smart&auto=webp&s=eedd9b8624430398659fadd973bfc40954f5a0ba)
Omega Speedmaster 105-002-62 -factory 7912 - 6 endlinks 24 links - no stretch. Perfect dial. $20,000 super nice example.
This Omega Speedmaster is a super nice example with no stretch and a perfect dial.
- Endlink count: 24
- Stretch: no stretch
![[WTS] Omega Speedmaster Professional Sapphire Sandwich (2025) – Adjustable Clasp – Near Mint – $6,800](https://preview.redd.it/b6tu7f4w0nmg1.jpg?width=640&crop=smart&auto=webp&s=d496a7e7231532ca8d0ef9d23c27f27248ebcad5)
Omega Speedmaster Professional Sapphire Sandwich (2025) – Adjustable Clasp – Near Mint – $6,800
The Omega Speedmaster Professional Sapphire Sandwich is a high-end watch with an updated adjustable clasp, offering convenient sizing without tools. The watch features a sapphire crystal and is available in the 2025 model.
- Condition: Near mint
- Year: 2025
- Crystal material: Sapphire
- Bracelet type: Omega
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2026 Omega Speedmaster White Dial 310.32.42.50.04.001
a 2026 Omega Speedmaster White Dial is being sold in this listing, but no details are provided about its condition or features.