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

Reference 310.30.42.50.01.002

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

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 Moonwatch Sapphire / 310.30.42.50.01.002 / 2022 full set under warranty - $5950

Omega Speedmaster Moonwatch Sapphire / 310.30.42.50.01.002 / 2022 full set under warranty - $5950

Omega - 310.30.42.50.01.002 · $5,950
For sale is a Omega Speedmaster Moonwatch Sapphire Sandwich, overall in excellent condition.

  • Condition: Overall excellent condition with normal marks on the case, bracelet, clasp, and caseback
  • Year: 2022
  • Warranty: under warranty
Posted at
Apr 18, 2026, 9:40 PM
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[WTS] Omega Speedmaster Professional Sapphire - 310.30.42.50.01.002 - Full Kit - Price Reduced

Omega Speedmaster Professional Sapphire - 310.30.42.50.01.002 - Full Kit - Price Reduced

Omega - 310.30.42.50.01.002 · $6,695
The Omega Speedmaster Professional is a modern interpretation of the iconic design, featuring a sapphire crystal front and display caseback with a view of the Omega movement.

  • Condition: Near like-new
  • Size: 42mm diameter
Posted at
Apr 18, 2026, 6:01 PM
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[WTS] 2024 MINT Omega Speedmaster Moonwatch Professional Full Set $6️⃣,5️⃣0️⃣0️⃣ + ✈️🇺🇸

2024 MINT Omega Speedmaster Moonwatch Professional Full Set $6️⃣,5️⃣0️⃣0️⃣ + ✈️🇺🇸

Omega - 310.30.42.50.01.002 · $6,500
2024 Omega Speedmaster Moonwatch Professional Full Set, Ref. 310.30.42.50.01.002, priced to fly.

  • Shipping included in price: no
Posted at
Apr 13, 2026, 10:47 PM
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[WTS] Omega Speedmaster Professional 3861 Sapphire Sandwich (12/2024) – Full Kit – Unworn Bracelet

Omega Speedmaster Professional 3861 Sapphire Sandwich (12/2024) – Full Kit – Unworn Bracelet

Omega - 310.30.42.50.01.002 · $6,750
Up for sale is my Omega Speedmaster Professional ref. 310.30.42.50.01.002 (sapphire sandwich) with a December 2024 warranty card. This latest-generation Moonwatch features the Co-Axial Master Chronometer caliber 3861 and sapphire display caseback.

  • Condition: Excellent – minimal wear
  • Case size: 42mm
  • Crystal material: Sapphire (front + exhibition caseback)
  • Movement type: Co-Axial Master Chronometer caliber 3861
Posted at
Apr 13, 2026, 8:05 PM
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[WTS] Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )

Omega Speedmaster Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )

Omega - 310.30.42.50.01.002 · $7,450
This is a brand new Omega Speedmaster Moonwatch Professional with a stainless steel case and Master Chronometer movement.

  • Condition: Brand new
  • Case material: Stainless Steel
  • Movement type: Omega Master Chronometer Movement
Posted at
Apr 13, 2026, 1:14 PM
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[WTS] Omega Speedmaster 3861 Sapphire, 2021 Full Kit $6200

Omega Speedmaster 3861 Sapphire, 2021 Full Kit $6200

Omega - 310.30.42.50.01.002 · $6,200
This listing features a 2021 Omega Speedmaster 3861 Sapphire, which is a high-end watch available for purchase.

  • Condition: Preowned
  • Shipping: Singapore-based dealer shipping from their office
  • Payment: Wire or Credit Card (+4.9% fee)
  • Tariffs: Duties to the USA handled by seller
Posted at
Apr 10, 2026, 12:53 PM
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[WTS] Omega Speedmaster Professional Sapphire Sandwich 310.30.42.50.01.002 – Full Set – Excellent Condition

Omega Speedmaster Professional Sapphire Sandwich 310.30.42.50.01.002 – Full Set – Excellent Condition

Omega - 310.30.42.50.01.002 · $5,900
This Omega Speedmaster Professional is a sapphire sandwich model with a stainless steel bracelet, featuring the latest-generation Master Chronometer movement.

  • Condition: Excellent condition, minor hairlines on the clasp
  • Movement: 3861 Master Chronometer
  • Crystal: sapphire front crystal and exhibition caseback
Posted at
Apr 10, 2026, 11:14 AM
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[WTS] 2023 Omega Speedmaster Moonwatch Professional (Sapphire) 310.30.42.50.01.002 - Full Set

2023 Omega Speedmaster Moonwatch Professional (Sapphire) 310.30.42.50.01.002 - Full Set

Omega - 310.30.42.50.01.002 · $6,650
This Omega Speedmaster Professional Moonwatch (Sapphire) features a black dial, sapphire crystal, and Omega's Master Chronometer caliber visible through the exhibition caseback. It comes with a complete set including warranty valid until 2028 and micro adjustable clasp.

  • Condition: Very excellent pre-owned condition
  • Year: 2023
  • Case size: 42mm diameter
  • Movement: Omega Caliber 3861 (manual wind, Master Chronometer, Co-Axial escapement)
Posted at
Apr 8, 2026, 8:26 PM
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[WTS] Omega Speedmaster Professional Sapphire - 310.30.42.50.01.002 - Full Kit

Omega Speedmaster Professional Sapphire - 310.30.42.50.01.002 - Full Kit

Omega - 310.30.42.50.01.002 · $6,650
This Omega Speedmaster Professional features a sapphire crystal front and display caseback, showcasing the Omega movement.

  • Condition: near like-new
  • Size: 42mm diameter
  • Case material: sapphire crystal front and display caseback
Posted at
Apr 8, 2026, 7:04 PM
Active
View listing on r/WatchExchange