Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Calf

Reference 310.32.42.50.01.002

Omega Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Calf

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.
Buy Now on Jomashop
This is an affiliate link
MSRP: $7,600
Market Price: $5,422

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

[WTS] Omega Speedmaster Professional Sapphire 3861 - Mint Condition

Omega Speedmaster Professional Sapphire 3861 - Mint Condition

Omega - 310.30.42.50.01.002 路 $5,900
This Omega Speedmaster Professional Sapphire is a high-end timepiece with a sapphire caseback and new bracelet, featuring excellent condition and including the full box presentation and accessories.

  • Condition: Mint Condition
  • Bracelet: new
  • Case back material: sapphire
Posted at
Feb 9, 2026, 7:09 AM
Active
View listing on r/WatchExchange
[WTS] 3220.50 Omega Speedmaster Day-Date Black Dial 40mm $2,150

3220.50 Omega Speedmaster Day-Date Black Dial 40mm $2,150

Omega - 3220.50 路 $2,150
This Omega Speedmaster Day-Date features a black dial and is 40mm in size.

  • Condition: Good condition with little signs of use
  • Wrist size fit: about 18.5cm
  • Service history: recently serviced with excellent timegrapher numbers
  • Polish option: full polish and service can be requested prior to purchase
Posted at
Feb 9, 2026, 1:59 AM
Active
View listing on r/WatchExchange
[WTS] OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 馃敟$10,000馃敟

OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET! 馃敟$10,000馃敟

OMEGA - 311.92.44.30.01.001 路 $10,000
The OMEGA Speedmaster Dark Side of the Moon Apollo 8 commemorates the 50th anniversary of the Apollo 8 mission, featuring a black ceramic case and a laser-ablated dial representing the lunar surface.

  • Condition: UNWORN
  • Case diameter: 44.25mm
  • Movement: Calibre 1869
Posted at
Feb 8, 2026, 7:44 PM
Active
View listing on r/WatchExchange
[WTS] OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET! 馃敟$17,500馃敟

OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET! 馃敟$17,500馃敟

OMEGA - 311.30.40.30.01.001 路 $17,500
A faithful recreation of the Speedmaster Calibre 321, famously worn by astronaut Ed White during America's first spacewalk, featuring a stainless steel case and iconic straight lugs.

  • Condition: UNWORN
  • Case Material: stainless steel
  • Diameter: 39.7mm
  • Movement: Calibre 321 column-wheel chronograph movement
Posted at
Feb 8, 2026, 7:32 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Professional, White Lacquer Dial - BNIB - $7,000

Omega Speedmaster Professional, White Lacquer Dial - BNIB - $7,000

Omega - 310.30.42.50.05.001 路 $7,000
The Omega Speedmaster Professional features a white lacquer dial and is a Master Chronometer with Cal. 3861 movement.

  • Condition: BNIB, perfect 10/10 condition
  • Movement: Master Chronometer Omega Cal. 3861
  • Strap material: black rubber
Posted at
Feb 8, 2026, 6:24 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster DSOTM - Vintage Edition

Omega Speedmaster DSOTM - Vintage Edition

Omega - 311.92.44.51.01.006 路 $6,600
This Omega Speedmaster Dark Side of the Moon Vintage Edition is a rare and no longer made version, featuring a black ceramic case with good specifications including a +0s/day accuracy.

  • Condition: Nearly perfect
  • Case Diameter: 44mm
  • Lug To Lug: 49mm
  • Weight: 99 grams
Posted at
Feb 8, 2026, 4:34 PM
Active
View listing on r/WatchExchange
[WTS] 馃張Super Deal 馃張 OMEGA Speedmaster Pro Moonwatch 3861 Hesalite - 2024 Card - Warranty to 2029 - $5,299

馃張Super Deal 馃張 OMEGA Speedmaster Pro Moonwatch 3861 Hesalite - 2024 Card - Warranty to 2029 - $5,299

OMEGA - 310.30.42.50.01.001 路 $5,299
This Omega Speedmaster Professional is a 2024 full kit with new micro adjust clasp and warranty through 2029.

  • Condition: Excellent, used
  • Size: 42mm diameter
  • Case condition: Fantastic
Posted at
Feb 8, 2026, 2:54 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster 145.022-69 Pre-Moon

Omega Speedmaster 145.022-69 Pre-Moon

Omega - 145.022-69 路 $5,000
A pre-moon Omega Speedmaster in great shape with a faded bezel and factory crystal.

  • Condition: Pre-owned, some servicing required
  • Case shape: round
  • Dial color: black
  • Bracelet included: yes
Posted at
Feb 8, 2026, 2:43 PM
Active
View listing on r/WatchExchange
[WTS] LEGENDARY 1967 Omega Speedmaster Ed White Pre Moon Cal 321 Chronograph Ref ST 105.003 on Rare JB Champion Bracelet w/ Extract!

LEGENDARY 1967 Omega Speedmaster Ed White Pre Moon Cal 321 Chronograph Ref ST 105.003 on Rare JB Champion Bracelet w/ Extract!

Omega - ST 105.003 路 $11,950
This Omega Speedmaster Ed White Pre Moon Cal 321 Chronograph is an iconic watch that went to space on the wrist of astronaut Ed White in 1965. The watch comes with an Omega extract showing it was originally delivered to Italy and features a rare JB Champion mesh bracelet.

  • Condition: Excellent, minimal signs of wear
  • Bracelet type: Rare JB Champion mesh bracelet
  • Movement: Cal 321 hand winding chronograph
  • Case size: 40MM diameter
Posted at
Feb 8, 2026, 2:29 PM
Active
View listing on r/WatchExchange