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 Chronoscope Blue 329.30.43.51.03.001
The Omega Speedmaster Chronoscope Blue is a complete set with box and papers, and comes with the original manufacturer's warranty until July 2029.
- Condition: Excellent condition, with just light wear visible on close inspection
- Warranty Valid Until: July 2029
- Shipping Method: FedEx Priority

OMEGA SPEEDMASTER PROFESSIONAL PRE-MOON 145.022-69 Unpolished
A pre-moon Omega Speedmaster Professional reference 145.022-69ST featuring a calibre 861 movement and hippocampus caseback.
- Condition: Good vintage condition
- Movement caliber: 861
- Case diameter: 42 mm
- Bezel hands status: newer replacements
Omega Speedmaster Date 18K PG/ SS Mens Watch 3316.50
The Omega Speedmaster Date is a chronograph watch with a date function and mechanical automatic movement, housed in a stainless steel and 18K pink gold case.
- Condition: 90%
- Case material: Stainless Steel/ 18K Pink Gold
- Movement type: Mechanical Automatic

NEW UNWORN 2025 Omega Speedmaster �Silver Snoopy Award� 310.32.42.50.02.001
The Omega Speedmaster 'Silver Snoopy Award' is a limited-edition timepiece that celebrates Omega's contributions to space exploration and the Apollo 13 mission.
- Condition: New, unworn
- Case material: stainless steel
- Dial color: silver
- Bezel material: blue ceramic

Omega 3861 Speedmaster Professional Moonwatch Hesalite Box Papers Warranty
A stainless steel Omega Speedmaster Professional Moonwatch with a black dial and hesalite crystal, featuring the Caliber 3861 manual winding co-axial movement.
- Condition: Near Mint, 96%
- Case size: 42mm
- Bracelet type: Stainless Steel Bracelet
- Movement: Omega Caliber 3861 Manual Winding Co-Axial Movement
Omega Speedmaster Automatic Chronograph Date 3813.53
A 39mm stainless steel Omega Speedmaster Automatic Chronograph Date watch powered by a mechanical automatic movement.
- Condition: 90%
- Size: 39mm
- Case material: stainless steel

Omega Speedmaster Ed White 311.30.40.30.01.001 � 2021
This Omega Speedmaster Ed White is the recently released, Cal 321 model, featuring an exhibition box, booklets, accessories, and a COSC-certified movement. It comes in excellent condition with a few minor imperfections.
- Condition: Excellent with some light hairlines and marks
- Case dimensions: 40mm diameter
- Bracelet length: adjusts to fit around a 7.75" wrist

Omega Speedmaster Professional Anniversary Series FOIS 310.30.40.50.06.001 2024
This Omega Speedmaster Professional is a newly released anniversary series 'First Omega in Space' featuring a domed sapphire crystal and black dial.
- Condition: Excellent
- Case condition: A few light hairlines and marks
- Bracelet condition: A few faint swirls and hairlines
- Bracelet size: fits around a 7.75 inch wrist

>>ReDuCeD<< OMEGA SPEEDMASTER MARK III 176.002
A Vintage Omega Speedmaster Mark III in Stainless Steel, featuring an automatic chronograph movement and silver dial with blue accents.
- Condition: Very good condition with refinished case
- Movement: Omega 1040 (based on Lemania)
- Bracelet size: fits up to 7.5"
- Caseback: seen in listing