Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire / Rubber

Reference 310.32.42.50.04.001

About this watch

Welcome to the world of luxury timepieces, where elegance meets precision! The Omega Speedmaster Professional Moonwatch 310.32.42.50.04.001 is a marvel of engineering and design, blending tradition with innovation. This iconic watch features the Omega caliber 3861 movement, an updated version of the legendary caliber 861 and 1861, with advancements like the co-axial escapement and silicon balance spring. The chronograph functionality allows you to time your daily activities with precision and style. The stainless steel case is robust and elegant, with a diameter of 42 mm striking a perfect balance between presence and wearability. Protected by a sapphire crystal, the white dial features stick and dot indexes for excellent legibility and stick hands for easy reading. The open case back allows you to appreciate the intricate workings of the caliber 3861 movement. With its Master Chronometer certification, this watch has passed rigorous testing for precision and performance. It's designed for those who appreciate the finer things in life, with a comfortable fit and wearability that makes it perfect for daily wear.
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Key Features

  • Omega Caliber 3861 Movement
  • Manual-Winding Chronograph Functionality
  • 42mm Stainless Steel Case
  • Sapphire Crystal Protection
  • Master Chronometer Certification
  • Magnetic Resistance up to 15,000 gauss
  • 50 hours Power Reserve

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire / Rubber
Reference
310.32.42.50.04.001
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 Vintage Speedmaster Bracelet 1496 (18mm end-links)

Omega Vintage Speedmaster Bracelet 1496 (18mm end-links)

Omega - 1496 $299
Up for sale is my Omega 1496 bracelet with 18mm endlinks (ref#813) that I had on my Speedmaster Reduced, now collecting dust.

  • Condition: good shape for its age
  • End links size: 18mm
Posted at
Dec 20, 2025, 4:06 PM
Active
[WTS] Omega Speedmaster. 39mm. Automatic. $1550 only !!

Omega Speedmaster. 39mm. Automatic. $1550 only !!

Omega - Speedmaster $1,550
This Omega Speedmaster is a 39mm automatic chronograph watch with an AM strap.

  • Condition: Very nice
  • Case Size: 39mm diameter
  • Movement Type: Automatic
Posted at
Dec 20, 2025, 11:54 AM
Active
[WTS] 1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract

Omega - 3590.50 $4,099
A 1991 Omega Speedmaster Moonwatch with a caliber 861 movement and tritium dial and hands, in excellent condition and appearing unpolished.

  • Condition: Excellent, unpolished
  • Movement: Caliber 861
  • Serial number: 482774XX
  • Bracelet size range: fits wrists over 7.5"
Posted at
Dec 19, 2025, 5:59 PM
Active
[WTS] Omega Speedmaster Broad Arrow 321.10.42.50.01.001 2019

Omega Speedmaster Broad Arrow 321.10.42.50.01.001 2019

Omega - 321.10.42.50.01.001 $3,999
This Omega Speedmaster Broad Arrow is a 2019 model with a crisp case and running perfectly, featuring a massive bracelet.

  • Condition: Incredible-condition
  • Dimensions: 42mm diameter
  • Year: 2019
Posted at
Dec 19, 2025, 12:15 PM
Active
[WTS] Omega Speedmaster. Broadarrow. Clean. 馃敟

Omega Speedmaster. Broadarrow. Clean. 馃敟

Omega - Speedmaster $3,550
The Omega Speedmaster is a classic watch with a broadarrow design, featuring strong lume.

  • Condition: Very clean and strong lume
  • Location: NJ USA
Posted at
Dec 19, 2025, 11:00 AM
Active
[WTS] DISCONTINUED OMEGA SPEEDMASTER RACING (Ref. 331.12.42.51.03.001)

DISCONTINUED OMEGA SPEEDMASTER RACING (Ref. 331.12.42.51.03.001)

Omega - 331.12.42.51.03.001 $4,750
This Omega Speedmaster Racing is a discontinued model from 2023 in very good condition and comes with several accessories.

  • Condition: Very good, lightly used
Posted at
Dec 19, 2025, 9:25 AM
Active
[WTS] Omega Speedmaster Quartz LCD

Omega Speedmaster Quartz LCD

Omega $1,400
a quartz-powered watch with an LCD display

Posted at
Dec 18, 2025, 4:55 PM
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[WTS] Omega Speedmaster Professional (Sapphire Sandwich) 310.30.42.50.04.001

Omega Speedmaster Professional (Sapphire Sandwich) 310.30.42.50.04.001

Omega - 310.30.42.50.04.001 $8,200
This Omega Speedmaster Professional 'Sapphire Sandwich' is a highly sought-after model, purchased in 2024 and comes as a complete set with original boxes, warranty cards, and travel case. It's in amazing condition with all functions working normally.

  • Condition: like-new condition, practically zero wear marks
  • Original boxes: true
  • Warranty cards year: 2024
  • Strap type: aftermarket rubber strap
Posted at
Dec 18, 2025, 1:59 PM
Active
[WTS] 2021 Omega Speedmaster Dark Side Of The Moon 44.25mm Black Ceramic - $8,000

2021 Omega Speedmaster Dark Side Of The Moon 44.25mm Black Ceramic - $8,000

Omega - 311.92.44.30.01.001 $8,000
2021 Omega Speedmaster Dark Side Of The Moon Apollo 8 with a 44.25mm black ceramic case, featuring an adjustable leather strap and additional black textile strap.

  • Condition: Excellent overall condition
  • Case size: 44.25mm diameter
  • Warranty: 5 year manufacturer warranty
Posted at
Dec 18, 2025, 1:36 PM
Active