Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Calf
Reference 310.32.42.50.01.002
About this watch
The Omega Speedmaster Professional Moonwatch 3861 is an engineering marvel that combines style with functionality, paying homage to its illustrious past as the first watch worn on the moon. This iconic timepiece boasts a sleek, matte black dial and polished stainless steel case, striking an excellent balance between boldness and subtlety. At its heart lies the Omega caliber 3861, an updated version of the legendary caliber 861/1861, featuring a Co-Axial escapement and silicon balance spring for accuracy and resistance to magnetic fields up to 15,000 gauss. The watch's robust stainless steel construction and sapphire crystal provide a durable exterior and protect the watch face from scratches, while its water resistance of 50 meters ensures it can withstand accidental splashes. With an open case back revealing the intricate movement within, this timepiece showcases Omega's craftsmanship and attention to detail. The Speedmaster is a versatile accessory that adapts effortlessly to any style or occasion, making it a worthy investment for anyone who appreciates the finer things in life.
Key Features
- Manual-winding chronograph movement
- Master Chronometer Certified
- 50-meter water resistance
- Co-Axial escapement and silicon balance spring
- Open case back revealing intricate movement
- Robust stainless steel construction with sapphire crystal
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Calf
- Reference
- 310.32.42.50.01.002
- Movement
- 3861
- Movement Features
-
- Small Seconds, Hours, Minutes
- Chronograph
- Chronometer
- Case
- Stainless Steel 42mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
Omega Speedmaster Professional Chronograph Moonphase 3576.50
This Omega Speedmaster Professional Chronograph Moonphase features a 42mm stainless steel case and is powered by a mechanical manual movement.
- Condition: 90%
- Size: 42mm diameter
- Case material: Stainless Steel
- Movement type: Mechanical Manual (1866)

Omega Speedmaster Moonwatch 3861 - White - 310.30.42.50.04.001 ( new )
This Omega Speedmaster Moonwatch Professional features a white dial, 42mm stainless steel case, and is powered by the Omega Master Chronometer movement.
- Condition: Brand new
- Case size: 42mm
- Movement: Omega Master Chronometer

1995 Omega Speedmaster Professional Ref. 3590.50 with Box & Papers
A sought-after 1995 Omega Speedmaster Professional Ref. 3590.50 with a unique vintage charm, powered by the reliable Caliber 861 and paired with a comfortable bracelet.
- Condition: Excellent (little to no signs of wear)
- Case width: 42mm
- Movement: Manual Cal. 861
- Year: 1995

2008 Omega Speedmaster 'Reduced' Ref. 3539.50 with Box & Papers
The 2008 Omega Speedmaster 'Reduced' Ref. 3539.50 is a great entry into the Omega brand, measuring at 39mm and featuring a scratch-resistant sapphire crystal and fold-over clasp.
- Condition: Excellent (very little to no signs of wear)
- Case width: 39mm
- Movement: Automatic
- Strap length: 7.50"
2017 Omega Speedmaster Moonphase 44.25mm Blue Dial - 304.33.44.52.03.001 - B&Ps
This Omega Speedmaster Moonphase features a stainless steel case, deep blue ceramic bezel, and a dial with a detailed moonphase.
- Condition: Very Good Condition - Minimal wear
- Case size: 44.25mm diameter
- Movement: Caliber 9904
Omega Speedmaster professional moonwatch
This Omega Speedmaster Professional Moonwatch is a highly sought after model from August 2020, featuring a stainless steel case and a black dial.
- Condition: amazing condition
- Caliber: 1861 movement
- Case material: Stainless Steel
- Glass type: Hesalite

2020 Omega Speedmaster FOIS Ref: 311.32.40.30.01.001 with B+P (Modded Dial)
A 2020 Omega Speedmaster First Omega In Space "FOIS" with a modded dial, featuring an authentic Omega black chronograph dial and applied logo for a vintage charm.
- Condition: Excellent
- Case size: 40mm
- Serial number: 78,8XX,XXX
- Edition number: 14xxx

1999 Omega Speedmaster Broad Arrow Ref: 3594.50 with Box and Papers
A 1999 Omega Speedmaster Broad Arrow with a 42mm case and excellent condition stainless steel bezel, black dial, and broad arrow hands. It comes with the original box, papers, booklet holder, and warranty card.
- Condition: Excellent
- Case size: 42mm
- Bracelet links: 15
- End links: 840

1992 Omega Speedmaster Ref: 3590.50 with Patina
This 1992 Omega Speedmaster features a 42mm case, black bezel, tritium dial, and 1479 Omega bracelet.
- Condition: Excellent with some light wear and patina
- Serial Number: 48,28X,XXX
- Bracelet Length: 19 links