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 Triple Date 3220.50 - 40mm - $2350

Omega Speedmaster Triple Date 3220.50 - 40mm - $2350

Omega - 3220.50 · $2,350
This Omega Speedmaster Triple Date 3220.50 features a classic look with additional Chronometer functionality, available for sale in very good condition.

  • Condition: Very good pre-owned condition
  • Case diameter: 40mm
  • Crystal condition: clean
  • Bracelet condition: desk rash, minor scratches
Posted at
Oct 21, 2025, 2:55 PM
Active
View listing on r/WatchExchange
[WTS][US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set - Brand New

[US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set - Brand New

Omega - 310.30.40.50.06.001 · $7,450
This Omega Speedmaster First Omega in Space watch is a brand new timepiece that comes with a full set, including the watch itself, box, historical manual, user manual, microfiber cloth, and other accessories. It features a fantastic condition with only stickers on the case and clasp.

  • Condition: Brand New
  • Case size: 40mm diameter
  • Serial number included: true
Posted at
Oct 21, 2025, 9:11 AM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster 3861 Hesalite (6k)and Sapphire (7k) 🔥Brand New 2024🔥

Omega Speedmaster 3861 Hesalite (6k)and Sapphire (7k) 🔥Brand New 2024🔥

Omega - 3861 Hesalite and Sapphire · $6,000
This listing is for a Brand New Omega Speedmaster 3861, available in both Hesalite and Sapphire crystal options. The watch comes complete with its original box, warranty card dated 2024, and other accessories.

  • Condition: Brand New
  • Material: Hesalite and Sapphire
  • Year: 2024
Posted at
Oct 21, 2025, 8:23 AM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Professional Sapphire Sandwich ref. 310.30.42.50.01.002

Omega Speedmaster Professional Sapphire Sandwich ref. 310.30.42.50.01.002

Omega - 310.30.42.50.01.002
  • Type: Sapphire Sandwich ref.
Posted at
Oct 20, 2025, 7:51 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Racing 44mm Automatic

Omega Speedmaster Racing 44mm Automatic

Omega - 329.32.44.51.01.001 · $6,500
This Omega Speedmaster Racing is a pre-owned timepiece from 2018, featuring a leather strap with light wear and comes with its original packaging and documentation.

  • Condition: very good condition
  • Case size: 44mm
  • Movement: automatic
Posted at
Oct 20, 2025, 9:49 AM
Active
View listing on r/WatchExchange
[WTS] 2025 Omega Speedmaster Silver Snoopy Award 50th Anniversary 310.32.42.50.02.001 - Brand New - $14,550

2025 Omega Speedmaster Silver Snoopy Award 50th Anniversary 310.32.42.50.02.001 - Brand New - $14,550

Omega - 310.32.42.50.02.001 · $14,550
The 2025 Omega Speedmaster Silver Snoopy Award 50th Anniversary watch is a highly sought-after edition with blue sub-dials and bezel, and a unique caseback.

  • Condition: Brand New
  • Year Of Manufacture: 2025
  • Includes Accessories: yes, includes inner and outer box, cards, special loupe, cleaning cloth, instruction manuals
Posted at
Oct 19, 2025, 5:57 PM
Active
View listing on r/WatchExchange
[WTS] Omega OEM Deployant Clasp – Speedmaster Ref. 117Z017553 – Micro-Adjustment - 3861 Upgrade Kit

Omega OEM Deployant Clasp – Speedmaster Ref. 117Z017553 – Micro-Adjustment - 3861 Upgrade Kit

Omega - 117Z017553 · $220
This Omega OEM deployant clasp kit is designed for Speedmaster 3861 bracelets with or without micro-adjustment feature. It has a longer design than the stock 3861 bracelet clasp and features micro-adjustment for precise sizing.

  • Condition: Excellent - minimal wear, fully functional
  • Fitment: Omega Speedmaster bracelets
  • Material: Stainless steel
  • Feature: Micro-adjustment for precise sizing
Posted at
Oct 19, 2025, 3:48 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Mother Of Pearl Dial 3834.72.35 - Original Buckle & Handmade Strap (Serviced) only for 2200$ 🚢

Omega Speedmaster Mother Of Pearl Dial 3834.72.35 - Original Buckle & Handmade Strap (Serviced) only for 2200$ 🚢

Omega - 3834.72.35 · $2,200
A stainless steel Omega Speedmaster with a 39mm case size and mother of pearl dial featuring green Arabic numerals. The watch has been recently serviced and is working perfectly fine.

  • Condition: Clean case, super clean dial and bezel
  • Case Size: 39mm diameter
  • Movement Type: Automatic
Posted at
Oct 19, 2025, 9:41 AM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster BSOM Moonphase 304.93.44.52.03.002 (2021) | Complete Box & Papers | $10,999 Shipped

Omega Speedmaster BSOM Moonphase 304.93.44.52.03.002 (2021) | Complete Box & Papers | $10,999 Shipped

Omega - 304.93.44.52.03.002 · $10,999
The Omega Speedmaster “Blue Side of the Moon” (2021) is a stunning and underrated modern Speedmaster variant, crafted entirely from blue ceramic with a rich blue dial and Sedna gold accents.

  • Condition: amazing condition overall
  • Year: 2021
  • Material: blue ceramic
  • Movement: running strong and keeps excellent time
Posted at
Oct 18, 2025, 10:41 PM
Active
View listing on r/WatchExchange