Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire / Bracelet
Reference 310.30.42.50.04.001
About this watch
The Omega Speedmaster Professional Moonwatch 3861, reference number 310.30.42.50.04.001, is a stunning timepiece that blends functionality with elegance. Designed for both everyday wear and special occasions, this watch boasts a rich history, a robust build, and a breathtaking aesthetic that easily draws attention. The pristine white dial exudes sophistication, while the stainless steel case measures 42 mm in diameter, striking the perfect balance between presence and wearability. The open case back showcases the intricate workings of the Caliber 3861 movement, highlighting the beauty of Swiss craftsmanship. This watch is more than just a timekeeper; it's a piece of history, a testament to Omega's commitment to precision and style.
Key Features
- Omega Caliber 3861 Movement
- Master Chronometer Certification
- Sapphire Crystal Glass
- Tachymeter Bezel for Speed Measurement
- Water Resistance up to 50 meters
- Co-Axial Escapement for Improved Accuracy and Longevity
- Manual-Winding Chronograph Movement with Power Reserve of 50 hours
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire / Bracelet
- Reference
- 310.30.42.50.04.001
- Movement
- 3861
- Movement Features
-
- Small Seconds, Hours, Minutes
- Chronograph
- Chronometer
- Case
- Stainless Steel 42mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
![[WTS] Omega Speedmaster Dark Side of the Moon Apollo 8 Full Set 311.92.44.30.01.001](https://preview.redd.it/yizmad7626ze1.jpg?width=640&crop=smart&auto=webp&s=8eca6b2dfe1f5713d50a9b8dd8751f1713df9080)
Omega Speedmaster Dark Side of the Moon Apollo 8 Full Set 311.92.44.30.01.001
Up for sale is a Omega Speedmaster Moonwatch - Dark Side of the Moon - Apollo 8, a unique and collectible watch model.
- Condition: Excellent condition with no signs of wear
- Year: 2019
- Contents: Watch, Inner & Outer Box, International Warranty Card, Pictograms Card, Card Holder, Operating Instructions Manual, Omega Watch Cloth
![[WTS][US] Omega Speedmaster '57 - Blue Dial - 40.5mm - 332.10.41.51.03.001 - Full Set](https://preview.redd.it/1xjbdec716ze1.jpg?width=640&crop=smart&auto=webp&s=59fa52c10e2e19490eca8eb6580e5f1d4076ad72)
[US] Omega Speedmaster '57 - Blue Dial - 40.5mm - 332.10.41.51.03.001 - Full Set
Omega Speedmaster '57 - Blue Dial - 40.5mm. Functions perfectly mechanically without issue. Includes full set of accessories.
- Condition: Fantastic condition with minor hairlines on clasp, case, and bracelet
- Case size: 40.5mm diameter
![[WTS] 2023 OMEGA Speedmaster Anniversary Series Silver Snoopy 310.32.42.50.02.001](https://external-preview.redd.it/pwZmuGwyznvzB3u2yFg0AiYeD6XGPr1kAjQbCdgeZkc.jpeg?auto=webp&s=8a9d4c82273f58224bd3f852fd6b338369d27725)
2023 OMEGA Speedmaster Anniversary Series Silver Snoopy 310.32.42.50.02.001
The Omega Speedmaster Snoopy is a tribute to space exploration history, featuring an iconic blue enamel dial with Snoopy as an astronaut and a stunning silver medallion on the case back.
- Condition: Excellent
- Case materials: Stainless steel
- Dial material: Blue enamel
- Band: Strap and Bracelet included
![[WTS] New 2025 Omega Speedmaster Moonwatch Professional Sapphire Black Dial Full 4/25 Ref: 310.30.42.50.01.002](https://preview.redd.it/8xfxzglff5ze1.jpg?width=640&crop=smart&auto=webp&s=41bf5d76aeaa3961db636b65378dff381994fc66)
New 2025 Omega Speedmaster Moonwatch Professional Sapphire Black Dial Full 4/25 Ref: 310.30.42.50.01.002
This Omega Speedmaster Moonwatch Professional features a black lacquered dial, manual wind movement, and a 42mm size.
- Condition: 10/10, unworn with stickers
- Size: 42mm diameter
- Water resistance: 50m depth rating
- Movement: 3861 movement
![[WTS] Omega Speedmaster racing 326.30.40.50.01.001 w box & papers.](https://preview.redd.it/m49d0i6x63ze1.jpg?width=640&crop=smart&auto=webp&s=75d20b3efc1f8ad126c86205f03d27da31cbe76b)
Omega Speedmaster racing 326.30.40.50.01.001 w box & papers.
The Omega Speedmaster Racing 326.30.40.50.01.001 is a timepiece that blends iconic design, cutting-edge technology, and everyday versatility.
- Box: true
- Papers: true
![[WTS] OMEGA Speedmaster Racing Chronograph 44.25mm Black Dial 329.32.44.51.01.001 Full Set](https://preview.redd.it/etltnjpm02ze1.jpg?width=640&crop=smart&auto=webp&s=807b0179381da4a6ef3ca71791c42b3812f6b8f4)
OMEGA Speedmaster Racing Chronograph 44.25mm Black Dial 329.32.44.51.01.001 Full Set
This OMEGA Speedmaster Racing Chronograph features a black dial with orange accents, stainless steel case, and automatic mechanical movement.
- Condition: Very nice preowned condition with light scratches on the case and buckle.
- Case Material: Stainless Steel
- Bezel: Stainless Steel
- Dial: Black with Orange Accents

Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (new / 2025)
A brand new Omega Speedmaster Moonwatch Professional Sapphire with Adjustable Clasp, featuring a 42mm stainless steel case and the 3861 Omega Master Chronometer Movement.
- Condition: Brand New
- Case size: 42mm diameter
- Movement: Omega Master Chronometer Movement

Omega Speedmaster Moonwatch Hesalite - 3861 - 310.30.42.50.01.001 (new / 2025)
This Omega Speedmaster Moonwatch Professional is a brand new timepiece with an Hesalite crystal and adjustable clasp. It features a 42mm stainless steel case and the 3861 Omega Master Chronometer Movement.
- Condition: Brand new
- Case size: 42mm diameter
- Material: stainless steel
- Movement: Omega Master Chronometer
![[WTS] NEW 2025 Omega 42mm 310.32.42.50.04.001 Speedmaster Moonwatch Pro - $8,200](https://external-preview.redd.it/Q0FnT4Ti8PKsIf2kYNm40vz8FnewTWj1-J3F3fPeunQ.jpeg?auto=webp&s=a5708d686892a463cce76bc3fcdda66cb4cf9730)
NEW 2025 Omega 42mm 310.32.42.50.04.001 Speedmaster Moonwatch Pro - $8,200
A brand new 2025 Omega Speedmaster Moonwatch Pro with a stainless steel white dial, measuring 42mm in size and featuring an adjustable rubber strap.
- Condition: NEW/UNWORN
- Material: Stainless Steel
- Size: 42mm diameter
- Strap: Adjustable Rubber Strap with Deployment Clasp