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 Sapphire Sandwich 9/2025 Warranty

Omega Speedmaster Professional Sapphire Sandwich 9/2025 Warranty

A Speedmaster Professional sapphire sandwich with a warranty card dated 9/2025, available as a full set with box and papers.

  • Condition: Excellent condition, minor hairline scratches on the case
  • Warranty Date: 9/2025
  • Shipping: CONUS
  • Payment Methods: PayPal F&F and Zelle
Posted at
Mar 9, 2026, 3:20 PM
Active
[WTS] Hruodland Quartz Chronograph- Vintage Omega Speedmaster TV Dial Homage

Hruodland Quartz Chronograph- Vintage Omega Speedmaster TV Dial Homage

Omega - Speedmaster · $5,000
This watch is a vintage homage to the iconic Omega Speedmaster with a TV dial design, featuring quartz chronograph functionality.

  • Year: vintage
Posted at
Mar 9, 2026, 12:56 PM
Active
[WTS] [WTT] Omega Speedmaster Moonwatch. White Dial. Bracelet. Full Kit. Ref. 310.30.42.50.04.001

[WTT] Omega Speedmaster Moonwatch. White Dial. Bracelet. Full Kit. Ref. 310.30.42.50.04.001

A white dial Omega Speedmaster Professional Moonwatch on a steel bracelet, reference 310.30.42.50.04.001 is being sold with its full kit, including box, cards, and warranty.

  • Condition: Very good
  • Case size: 42mm diameter
  • Bracelet links included: yes
  • Box and cards included: yes
Posted at
Mar 9, 2026, 7:05 AM
Active
[WTS] Omega Speedmaster Reduced 3510.50

Omega Speedmaster Reduced 3510.50

Omega - 3510.50 · $2,800
A Omega Speedmaster Reduced 3510.50, a 39mm watch with hesalite crystal and dial lume with even cream coloring.

  • Condition: Pretty good condition considering the age with signs of light wear.
  • Case size: 39mm
  • Crystal material: hesalite
Posted at
Mar 9, 2026, 2:29 AM
Active
[WTS] Omega Speedmaster Date ref. 3212.80.00 40mm | Great Condition (with Original Box & Serviced) | $2600

Omega Speedmaster Date ref. 3212.80.00 40mm | Great Condition (with Original Box & Serviced) | $2600

Omega - 3212.80.00 · $2,600
The Omega Speedmaster Date ref. 3212.80.00 features a 40mm stainless steel case, deep blue dial, and classic tri-compax layout with running seconds, 30-minute counter, and 12-hour chronograph totalizer.

  • Condition: Great condition
  • Case size: 40mm diameter
  • Bracelet length: 7.5-7.7 inches
  • Movement power reserve: 44 hours
Posted at
Mar 8, 2026, 10:58 PM
Active
[WTS] Omega Speedmaster ’57 Gold on Leather Strap 2025 MINT FULL 331.22.42.51.01.001

Omega Speedmaster ’57 Gold on Leather Strap 2025 MINT FULL 331.22.42.51.01.001

The Omega Speedmaster Co-Axial Chronograph is a luxurious everyday chronograph with serious pedigree, blending legendary heritage with refined execution.

  • Condition: Mint, minimal signs of wear
  • Case Size: 41.5 mm diameter
  • Thickness: 16.17 mm
  • Lug To Lug: 50 mm
Posted at
Mar 8, 2026, 10:36 PM
Active
[WTS] Omega Speedmaster Professional 3570.50.00 (Hesalite) 1861 cal

Omega Speedmaster Professional 3570.50.00 (Hesalite) 1861 cal

Omega - 3570.50.00 · $3,999
Selling an Omega Speedmaster Professional 3570.50.00 (Hesalite) 1861 cal watch in good condition, with a full service at Omega AD in 2022 and original papers from the first owner.

  • Condition: good condition
  • Year of purchase: 2014
  • Bracelet condition: has scratches on clasp area due to typing on a laptop
  • Additional accessories: extra NATO strap
Posted at
Mar 8, 2026, 9:34 PM
Active
[WTS] Omega Speedmaster METAS 3861 Sapphire Sandwich - Mint - 2023 (under Omega warranty until 2028) - Latest Version With Quick Adjust Clasp - Full Kit

Omega Speedmaster METAS 3861 Sapphire Sandwich - Mint - 2023 (under Omega warranty until 2028) - Latest Version With Quick Adjust Clasp - Full Kit

Omega - 3861 · $6,900
This Omega Speedmaster Moonwatch is a full kit dated May 2023, under warranty until May 2028. It has some minor scratches on the clasp but runs flawlessly and is in great condition.

  • Condition: Mint with desk dive scratches on the clasp
  • Year of manufacture: 2023
  • Warranty expiration year: 2028
  • Case condition: Mint
Posted at
Mar 8, 2026, 8:54 PM
Active
[WTS] Omega Speedmaster Mark II. 327.10.43.50.01.001.

Omega Speedmaster Mark II. 327.10.43.50.01.001.

This Omega Speedmaster Mark II is a large watch that fits comfortably on the wrist, with additional details and photos available upon request.

  • Condition: Very good condition
  • Size: 41mm diameter
  • Location: New Jersey, USA
Posted at
Mar 8, 2026, 3:17 PM
Active