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] 2021 Omega Speedmaster Professional Sapphire Sandwich

2021 Omega Speedmaster Professional Sapphire Sandwich

A 2021 Omega Speedmaster Professional 'Sapphire Sandwich' in excellent condition, featuring a 42mm steel case with a sapphire back and manual winding movement.

  • Condition: Pre-owned, cosmetic condition: 8/10
  • Movement: OMG Calibre 3861 (manual winding)
  • Power reserve: approximately 50 hours
  • Case material: Steel front, sapphire back
Posted at
Dec 16, 2025, 11:13 PM
Active
[WTS] Omega Speedmaster Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set

Omega Speedmaster Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set

This Omega Speedmaster Professional 42mm is a 'Sapphire Sandwich' model with a complete set, including a serial tag and master chronometer certification.

  • Condition: Like New
  • Case Size: 42mm
Posted at
Dec 13, 2025, 8:11 PM
Active
[WTS] Omega Speedmaster Professional Sapphire 2025 complete - 310.30.42.50.01.002 $6500

Omega Speedmaster Professional Sapphire 2025 complete - 310.30.42.50.01.002 $6500

This Omega Speedmaster Professional Sapphire is a complete 2025 model, featuring a clean bezel and crystal, excellent overall shape, and includes full set accessories.

  • Condition: pre-owned with very light wear
  • Box status: inner and outer box
  • Papers: warranty dated 07/25/25
  • Links: full links
Posted at
Dec 12, 2025, 1:13 PM
Active
[WTS] Omega Speedmaster Moonwatch Sapphire Sandwich Full Set - 310.30.42.50.01.002

Omega Speedmaster Moonwatch Sapphire Sandwich Full Set - 310.30.42.50.01.002

A Speedmaster Moonwatch from Omega's personal collection, upgraded to a Rolex Explorer.

  • Condition: Very nice preowned condition
  • Case material: Stainless Steel
  • Case dimensions: 42mm diameter
  • Bezel: Black Bezel Stainless Steel
Posted at
Dec 10, 2025, 11:42 AM
Active
[WTS] 2022 Omega Speedmaster Professional Moonwatch Sapphire 310.30.42.50.01.002 Full Set

2022 Omega Speedmaster Professional Moonwatch Sapphire 310.30.42.50.01.002 Full Set

Additional Details: Model: Speedmaster Professional Moonwatch Ref# 310.30.42.50.01.002, a 2 - 3 sentence summary of the watch in the listing is not available as there is no other information about the watch.

  • Condition: Very nice preowned condition with some light scratches on the case, bracelet and buckle
  • Case material: Stainless Steel
  • Case dimensions: 42 mm diameter
  • Bezel material: Stainless Steel
Posted at
Dec 9, 2025, 8:10 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional 3861 Sapphire 310.30.42.50.01.002

Omega Speedmaster Moonwatch Professional 3861 Sapphire 310.30.42.50.01.002

This Omega Speedmaster Moonwatch Professional is a manual wound watch with a 42mm diameter case, featuring the iconic design of one of Omega's most celebrated watches.

  • Condition: Excellent pre-owned
  • Size: 42mm diameter
  • Movement: Manual Wound
Posted at
Dec 9, 2025, 12:20 PM
Active
[WTS] 2024 Omega Speedmaster Professional “Sapphire Sandwich” – Full Set

2024 Omega Speedmaster Professional “Sapphire Sandwich” – Full Set

2024 Omega Speedmaster Professional Moonwatch “Sapphire Sandwich” with 42mm stainless steel case, sapphire front and exhibition caseback, black step dial, and manual winding Caliber 3861 Master Chronometer movement.

  • Condition: Excellent (9.5/10)
  • Case Size: 42mm diameter
  • Bracelet Condition: pristine, zero desk wear
Posted at
Dec 8, 2025, 12:44 PM
Active

2022 Omega Speedmaster Moonwatch Sapphire 42mm 310.30.42.50.01.002 Mint Complete

This 2022 Omega Speedmaster Moonwatch Sapphire 42mm is a first watch worn on the moon, featuring photos and a video on the seller's website.

  • Condition: Minty fresh
  • Case size: 42mm
  • Year: 2022
  • Contents: watch,inner & outer boxes,warranty card,pictogram,master chronometer,instruction booklet,black travel case,hang tag,cleaning cloth,Moonwatch Booklet
Posted at
Apr 7, 2025, 2:59 PM
Active
Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (new / 2025)

Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (new / 2025)

This Omega Speedmaster Moonwatch Professional features a 42mm stainless steel case and is powered by the 3861 Omega Master Chronometer Movement.

  • Condition: Brand new
  • Case size: 42mm
  • Movement type: 3861 Omega Master Chronometer
Posted at
Apr 4, 2025, 2:52 PM
Active