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 FOIS, Numbered Edition, Very Clean (2017), $4200 shipped](https://preview.redd.it/tkdrwz9c787g1.jpg?width=640&crop=smart&auto=webp&s=fa96d4aac02c03d6b3e7cea25b0d8ca0418ba5de)
Omega Speedmaster FOIS, Numbered Edition, Very Clean (2017), $4200 shipped
This Omega Speedmaster FOIS is a numbered edition from 2017 with a very clean and smooth action.
- Condition: Very good
- Caliber: Omega 1861
- Power reserve: 48 hours
- Case dimensions: [object Object]
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Omega Dark Side of the Moon Speedmaster 311.92.44.30.01.001
The Omega Speedmaster Dark Side of the Moon features a black zirconium oxide ceramic case, bezel, and crystal, with a black dial and applied indices.
- Condition: Great overall with light signs of use on the strap
- Case size: 44.25mm diameter
- Movement: Omega Co-Axial Calibre 9300 automatic chronograph
![[WTS] Omega Speedmaster Professional Moonwatch model 145.022 78 ST fully serviced.](https://preview.redd.it/tylvglrg677g1.jpg?width=640&crop=smart&auto=webp&s=7b679cc4f5d2e8b61540895f10599fdb22371ecc)
Omega Speedmaster Professional Moonwatch model 145.022 78 ST fully serviced.
This is a description of the Omega Speedmaster Professional Moonwatch model 145.022 78 ST that has been fully serviced.
![[WTS] 2022 Omega Speedmaster Chronoscope Co-Axial Master Chronometer 329.30.43.51.02.001](https://preview.redd.it/ri4u0mksk67g1.jpeg?auto=webp&s=8d7ce8ce59fc6ac67e162d682e2dce9383302125)
2022 Omega Speedmaster Chronoscope Co-Axial Master Chronometer 329.30.43.51.02.001
A 2022 Omega Speedmaster Chronoscope Co-Axial Master Chronometer in good working order and excellent cosmetic condition. It comes with box and papers dated 2022.
- Condition: Great condition overall
- Case size: 43mm diameter
- Movement: Co-Axial Master Chronometer
- Box and papers included: yes
![[WTS] Omega Speedmaster Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set](https://preview.redd.it/eyse9yzel27g1.jpg?width=640&crop=smart&auto=webp&s=6b80af957bcc36b8db894a73b7a3c68bedf8303f)
Omega Speedmaster Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set
This Omega Speedmaster Professional 42mm is a 'Sapphire Sandwich' model with a complete set, including a serial tag and master chronometer certification.
- Condition: Like New
- Case Size: 42mm
![[WTS] Omega Speedmaster Broad Arrow 42mm Olympics (Milano Cortina Killer for Half the Price 🔥) - Blue Spiralwinder Ceramic Bezel - F.Piguet Based Column Wheel Coaxial Chrono - Forstner Bullet - Blued Hands - Moonwatch Proportions - Only $3,050 Shipped CONUS](https://preview.redd.it/8nab5bjre27g1.jpg?width=640&crop=smart&auto=webp&s=5aeb9f8de319977638a42cd2a6465e3ebb47c42d)
Omega Speedmaster Broad Arrow 42mm Olympics (Milano Cortina Killer for Half the Price 🔥) - Blue Spiralwinder Ceramic Bezel - F.Piguet Based Column Wheel Coaxial Chrono - Forstner Bullet - Blued Hands - Moonwatch Proportions - Only $3,050 Shipped CONUS
This Omega Speedmaster Broad Arrow features a white gloss dial with heat-blued hands and an Olympic Games caseback. It has 100m water resistance and is powered by the Co-Axial Caliber 3313 column-wheel automatic chronograph.
- Movement: Omega Co-Axial Caliber 3313, column-wheel automatic chronograph based on the F. Piguet 1285 architecture
- Bracelet: Forstner Bullet bracelet, 200m water resistance (100m WR)
- Depth Rating: 100m WR
![[WTS] Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET](https://preview.redd.it/1pzorgw3z17g1.jpg?width=640&crop=smart&auto=webp&s=180afcfe4c90bf3baba1ca3343a1341f46dd90b6)
Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET
This is a 2019 Omega Speedmaster Dark Side of the Moon with a full-ceramic case and buckle, available in mint condition.
- Condition: Mint, like-new condition
- Case material: full ceramic
- Year: 2019
![[WTS] Omega Speedmaster Silver Snoopy OEM bracelet and strap 310.32.42.50.02.001 PRICE REDUCED](https://preview.redd.it/87hqizbif07g1.jpg?width=640&crop=smart&auto=webp&s=69a82ab65c8af331d7826a7d3688b23f9224f8ca)
Omega Speedmaster Silver Snoopy OEM bracelet and strap 310.32.42.50.02.001 PRICE REDUCED
A mint condition Omega Speedmaster, purchased at an authorized dealer on December 24th, featuring a new case and excellent bracelet with minor hairlines.
- Condition: Mint
- Bracelet condition: Excellent
- Bracelet description: OEM bracelet with a few hairlines present
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