Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Plexi / Bracelet
Reference 310.30.42.50.01.001
About this watch
The Omega Speedmaster Professional Moonwatch 3861 is a masterpiece that combines timeless elegance with modern technology. Founded in 1848, Omega has been a pillar in the world of horology, synonymous with precision and innovation. From its stunning design to its robust functionality, it encapsulates the spirit of adventure and precision that Omega is known for. The Speedmaster line has always been a favorite, and the 3861 model is no exception. With a diameter of 42 mm, the stainless steel case provides both durability and a polished aesthetic. The tachymeter bezel allows for speed calculations over a known distance, making it not just a pretty face but a functional tool. At the heart of the Speedmaster Professional Moonwatch is the Omega Caliber 3861, a hand-wound movement that's a modern upgrade from previous models, incorporating a co-axial escapement and a silicon balance spring. The craftsmanship is evident in the intricate details of the movement, which you can admire through the closed case back.
Key Features
- Stainless steel case with black matte finish
- 42 mm diameter for a refined yet statement-making size
- Plexi glass for added durability and shock resistance
- Master Chronometer certification by METAS for accuracy and reliability
- Hand-wound Omega Caliber 3861 movement with co-axial escapement and silicon balance spring
- Chronograph function with small seconds, hours, and minutes
- Water resistance of 50 meters for everyday wear
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Plexi / Bracelet
- Reference
- 310.30.42.50.01.001
- 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] BNIB Omega Speedmaster Professional 310.30.42.50.01.001 $6,799](https://preview.redd.it/mrmoyc6bn7xg1.jpg?width=640&crop=smart&auto=webp&s=43052481729ab9f1a6e3572f8bcba5cfcff80605)
BNIB Omega Speedmaster Professional 310.30.42.50.01.001 $6,799
The Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case with a hesalite front and solid case back, powered by the updated caliber 3861 movement.
- Condition: Brand new in box with warranty
- Movement: Hand wound Cal 3861
- Power reserve: 50 hours
- Case size: 42mm diameter
![[WTS] Omega Speedmaster Professional Moonwatch – Ref. 310.30.42.50.01.001 – Excellent Condition – 2022](https://preview.redd.it/s75cle0cq0xg1.jpg?width=640&crop=smart&auto=webp&s=d28576788508f75f4212447e8f81d3f65f68de6e)
Omega Speedmaster Professional Moonwatch – Ref. 310.30.42.50.01.001 – Excellent Condition – 2022
This Omega Speedmaster Professional Moonwatch features the iconic Hesalite crystal and manual-wind Master Chronometer movement 3861, staying true to its heritage while adding updated movement technology and finishing.
- Condition: Excellent, minimal hairline scratches.
- Case Size: 42mm
- Movement: Manual-wind Co-Axial Master Chronometer (Cal. 3861)
- Crystal: Hesalite
![[WTS] 2026 Omega Speedmaster Moonwatch Professional 42mm Steel 310.30.42.50.01.001 Full Set](https://preview.redd.it/7a8tr9c2ytwg1.jpg?width=640&crop=smart&auto=webp&s=73518ab2e040a6fdffec2183bfcdc31499da6a4d)
2026 Omega Speedmaster Moonwatch Professional 42mm Steel 310.30.42.50.01.001 Full Set
2026 Omega Speedmaster Moonwatch Professional, a stainless steel manual wind watch with black dial and hesalite crystal.
- Condition: Excellent preowned condition with some light scratches.
- Case dimensions: 42mm
- Movement type: Manual Wind, Mechanical
![[WTS] Omega Speedmaster Hesalite 2023, $5700](https://preview.redd.it/6oe7b8yufrvg1.jpg?width=640&crop=smart&auto=webp&s=337c8c3677d82ef03fd3d5e3d9d720a965178a9b)
Omega Speedmaster Hesalite 2023, $5700
This Omega Speedmaster Hesalite is a recent model, released in 2023, featuring a Preowned Condition with its original box and warranty.
- Condition: Preowned
- Shipping cost: $100 for USA
- Payment options: Wire or Credit Card (+4.9% & 4 days clearance)
- Warranty included: 2023 warranty
![[WTS] New 2026 Omega Speedmaster Professional Hesalite Full Set only $6400](https://preview.redd.it/uklc01q6m6vg1.jpg?width=640&crop=smart&auto=webp&s=524c93060160ba524c4f2c1c574f8e6920a4e0ba)
New 2026 Omega Speedmaster Professional Hesalite Full Set only $6400
This brand new Omega Speedmaster Professional is presented in pristine condition and comes complete with its original full set, including a factory warranty card dated 2026.
- Condition: pristine, unworn
- Warranty: 5-year international warranty
- Price Comparison: list price from authorized dealer: $7800 plus tax
![[WTS] Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )](https://preview.redd.it/fyyd4z51pzug1.jpg?width=640&crop=smart&auto=webp&s=6c8901a36f658c211be92743abe7b6075c467f6a)
Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )
This Omega Speedmaster Moonwatch Professional Hesalite features a 42mm stainless steel case and is powered by the 3861 Omega Master Chronometer Movement.
- Condition: Brand new
- Case size: 42mm
- Movement: 3861 Omega Master Chronometer Movement
![[WTS] BNIB Omega Speedmaster Professional 310.30.42.50.01.001 $6,800](https://preview.redd.it/j7fjp2xtktug1.jpg?width=640&crop=smart&auto=webp&s=b56029b6695adc868216c1fa2b754c101ca6c190)
BNIB Omega Speedmaster Professional 310.30.42.50.01.001 $6,800
The Omega Speedmaster Professional features a robust and elegant 42mm stainless steel case powered by the updated caliber 3861 movement with its Co-Axial escapement, offering enhanced durability, accuracy, and visibility of the dial.
- Condition: Brand new in box with warranty
- Case size: 42mm diameter
- Case thickness: 13.2mm height
- Lug width: 20mm
Omega Speedmaster Moonwatch Hesalite - 3861 - 310.30.42.50.01.001 (new / 2025)
A brand new Omega Speedmaster Moonwatch Professional Hesalite with a stainless steel case and 3861 Omega Master Chronometer movement.
- Condition: Brand new
- Case size: 42mm diameter
- Movement: Omega Master Chronometer
2022 Omega Speedmaster Moonwatch Professional Hesalite 42mm 310.30.42.50.01.001
A 2022 Omega Speedmaster Moonwatch Professional Hesalite 42mm, the first watch worn on the moon.
- Condition: Excellent Pre-owned condition
- Box And Paper: Complete set comes with inner & outer boxes, Warranty Card, Pictogram, Master Chronometer, instruction booklet and black travel case
- Accessories: original sticker, cleaning cloth and Moonwatch Booklet