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

1992 Omega Speedmaster Ref: 3590.50 with Patina
A 1992 Omega Speedmaster Ref: 3590.50 in excellent condition, featuring a 42mm case, black bezel, tritium dial with creamy yellow patina, and an Omega bracelet.
- Condition: Excellent with patina
- Case size: 42mm
- Serial number: 48,28X,XXX
- Bracelet links: 19 + 812 end links
Omega speedmaster 3221.30 chronograph automatic triple date mens watch box card
The Omega Speedmaster Triple Date combines classic design with advanced functionality, making it a perfect addition to any watch collection. It has a silver dial and is equipped with an automatic chronograph with triple date function.
- Condition: Excellent
- Bracket: Original Omega stainless steel bracelet
- Case size: 40mm diameter
- Case material: Stainless steel

Omega Speedmaster Moonwatch 1863 - Sapphire - 311.33.42.30.01.002 (excellent)
This Omega Speedmaster Professional Moonwatch 1863 Sapphire is a high-end watch featuring a 42mm stainless steel case, powered by the Omega 1863 Calibre.
- Condition: Excellent
- Case size: 42mm diameter
- Movement: Omega 1863 Calibre