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 Professional Moonwatch – Sapphire Sandwich – Full Set

Omega Speedmaster Professional Moonwatch – Sapphire Sandwich – Full Set

The Omega Speedmaster Professional Moonwatch, reference 310.30.42.50.01.002, is a modern take on the classic design featuring a sapphire crystal and caseback.

  • Condition: Excellent with minor signs of wear
  • Movement: Manual-wind Cal. 3861 (METAS Master Chronometer)
  • Case size: 42mm
  • Water resistance: 50m
Posted at
Jan 28, 2026, 9:31 PM
Active
[WTS] Omega Speedmaster Sapphire Sandwich 310.30.42.50.01.002

Omega Speedmaster Sapphire Sandwich 310.30.42.50.01.002

A Omega Speedmaster Moonwatch Professional 'Sapphire Sandwich' in excellent condition, featuring a 3861 movement and a full set with bracelet.

  • Condition: Excellent, minor fit issues with bracelet
  • Bracelet Length: ~7.5"
  • Links Extra: 2
Posted at
Jan 28, 2026, 2:20 PM
Active
[WTS] Omega Speedmaster Sapphire Sandwich 310.30.42.50.01.002

Omega Speedmaster Sapphire Sandwich 310.30.42.50.01.002

A Omega Speedmaster Moonwatch Professional with a 3861 movement and sapphire crystal caseback.

  • Condition: Excellent, minor fitment issue on the bracelet
  • Movement: Calibre 3861
  • Bracelet size: ~7.5" wrist, with 2 extra links for adjustment
Posted at
Jan 28, 2026, 11:17 AM
Active
[WTS] Omega Speedmaster sapphire Sandwich 2021, comes as full set (-2 links) $5,999 shipped

Omega Speedmaster sapphire Sandwich 2021, comes as full set (-2 links) $5,999 shipped

Up for sale is a Omega Speedmaster sapphire sandwich from 2021, comes as full set with original inner/outer box and papers.

  • Condition: Excellent
  • Year: 2021
  • Case Size: 42mm
  • Material: Stainless Steel
Posted at
Jan 25, 2026, 3:52 PM
Active
[WTS] 12/2025 Omega Speedmaster Moonwatch Professional Sapphire 310.30.42.50.01.002 – Full Set + Extras – Excellent Condition – $6,900 Shipped

12/2025 Omega Speedmaster Moonwatch Professional Sapphire 310.30.42.50.01.002 – Full Set + Extras – Excellent Condition – $6,900 Shipped

This Omega Speedmaster Moonwatch Professional Sapphire features a sapphire crystal, Master Chronometer caliber 3861 movement and classic design.

  • Condition: Excellent (light hairlines on caseback only)
  • Case size: 42mm
  • Movement: Manual-wind chronograph (Omega Caliber 3861)
  • Crystal material: Sapphire
Posted at
Jan 23, 2026, 3:22 PM
Active
[WTS] NEW 2026 Omega Speedmaster Moonwatch Pro 42mm 310.30.42.50.01.002 Black Dial - $7,500

NEW 2026 Omega Speedmaster Moonwatch Pro 42mm 310.30.42.50.01.002 Black Dial - $7,500

A brand new, unworn Omega Speedmaster Moonwatch Professional in stainless steel with a black dial.

  • Condition: Brand new/unworn
  • Material: Stainless Steel
  • Size (diameter): 42mm
  • Case size (with links): 8.25in
Posted at
Jan 23, 2026, 11:20 AM
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
Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (excellent)

Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (excellent)

This Omega Speedmaster Moonwatch Professional is a stainless steel watch with a 42mm case, featuring an Omega Master Chronometer movement.

  • Condition: Excellent
  • Case size: 42mm
  • Movement type: Omega Master Chronometer
Posted at
Apr 2, 2025, 3:09 PM
Active