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

Reference 310.30.42.50.01.002

About this watch

The Omega Speedmaster Professional Moonwatch, reference 310.30.42.50.01.002, is a masterpiece of horology that embodies the perfect blend of history, function, and style. This iconic watch features a classic round case with a diameter of 42 mm and a height of 13.18 mm, encasing a stunning matte black dial that provides a perfect contrast to the stainless steel exterior. The sapphire crystal glass offers unparalleled scratch resistance and clarity, allowing wearers to enjoy this watch in everyday situations without worrying about damaging the face. At its core is the Omega caliber 3861 movement, an updated version of the previous caliber 861 and 1861, featuring a co-axial escapement and silicon balance spring that enhances accuracy and longevity. This Master Chronometer certified by METAS ensures reliable performance under various conditions, with a power reserve of 50 hours and a frequency of 21,600 vibrations per hour. The Omega Speedmaster isn't just a timekeeper; it's a fully functional chronograph with small seconds, hours, and minutes hands that can easily track elapsed time in any setting. This watch is perfect for daily wear, with a water resistance of 50 meters making it suitable for splashes and brief immersion in water. The stainless steel bracelet is both stylish and comfortable, designed for wearability and featuring solid yet lightweight links that adjust effortlessly to find the perfect fit. Whether you're dressed formally or casually, this watch complements any look and is sure to spark conversations with its iconic design and historical significance.
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MSRP: $8,000
Market Price: $5,921

Key Features

  • 42mm stainless steel case
  • Sapphire crystal glass for scratch resistance
  • Master Chronometer certified Omega caliber 3861 movement
  • Chronograph function with small seconds, hours, and minutes hands
  • Water resistance of 50 meters
  • Stainless steel bracelet with adjustable links
  • Iconic tachymetric scale on the bezel

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Sapphire / Bracelet
Reference
310.30.42.50.01.002
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 FOIS | 310.30.40.50.06.001 | Complete Box & Papers 2024 | $6,849 Shipped

Omega Speedmaster FOIS | 310.30.40.50.06.001 | Complete Box & Papers 2024 | $6,849 Shipped

This Omega Speedmaster "First Omega in Space" (FOIS) model is a historically faithful modern reference that pays homage to the watch worn by astronaut Walter Schirra during the Mercury-Atlas 8 mission. It has a straight-lug case, symmetrical profile, and hesalite crystal.

  • Condition: Excellent / near-mint
  • Case diameter: 40mm
  • Crystal material: hesalite
  • Year purchased: 2024
Posted at
Dec 20, 2025, 9:13 PM
Active
[WTS] Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET

Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET

This Omega Speedmaster Dark Side of the Moon features a full-ceramic case and buckle, presented in excellent condition.

  • Condition: Mint, like-new
  • Case material: Full ceramic
  • Year: 2019
Posted at
Dec 20, 2025, 6:57 PM
Active
[WTS] Omega Speedmaster “First Omega in Space” FOISRef: 310.30.40.50.06.001 | 2025 | Full Set | Very Good Condition | Active Factory Warranty

Omega Speedmaster “First Omega in Space” FOISRef: 310.30.40.50.06.001 | 2025 | Full Set | Very Good Condition | Active Factory Warranty

This Omega Speedmaster is known as the 'First Omega in Space' with a FOIS reference number, specifically Ref: 310.30.40.50.06.001, from the year 2025.

  • Condition: Very Good
Posted at
Dec 20, 2025, 5:33 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional White dial Black rubber strap 42mm Box & Papers 310.32.42.50.04.001

Omega Speedmaster Moonwatch Professional White dial Black rubber strap 42mm Box & Papers 310.32.42.50.04.001

This Omega Speedmaster Moonwatch Professional features a white dial on a black rubber strap, with a 42mm case and various complications including a chronograph and tachymeter.

  • Condition: Excellent
  • Case Material:
  • Diameter: 42mm
  • Water Resistance:
Posted at
Dec 20, 2025, 4:30 PM
Active
[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

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. 🔥

Omega Speedmaster. Broadarrow. Clean. 🔥

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