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

Current Listings

Omega Speedmaster Date 3211.31.00 — Panda Dial — Cal. 1164 (Fresh Service) — $2,550 Shipped (Tariff Covered)

Omega - 3211.31.00 · $2,550

This Omega Speedmaster Date features a panda dial and is powered by Cal. 1164.

Condition: pre-owned - fresh service
Caliber: Cal. 1164

Posted at

Apr 23, 2026, 11:47 AM

Active

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Omega Speedmaster Date Chronometer 3210.50.00 — Cal. 1164 (Serviced) — $2,099 Shipped (Tariff Coverd)

Omega - 3210.50.00 · $2,099

This Omega Speedmaster Date Chronometer features a classic black dial with tri-compax layout, applied markers, and tachymeter bezel, making it a great everyday Speedmaster.

Condition: Honest wear consistent with age
Calibre: Omega Cal. 1164 (ETA 7750 base)
Movement status: Running within spec
Bracelet condition: Solid with no major stretch

Posted at

Apr 23, 2026, 11:25 AM

Active

View listing on r/WatchExchange

2025 Omega Speedmaster Sedna Gold 310.60.42.50.01.001 — Like New Condition, Box & Papers

Omega - 310.60.42.50.01.001 · $29,500

The Omega Speedmaster Sedna Gold elevates the iconic Moonwatch design with a rich black dial and contrasting subdials, powered by a Master Chronometer manual-wind movement.

Condition: Like new condition, small ding on bezel near 12 o'clock
Movement type: Master Chronometer manual-wind movement
Case dimensions: 42mm diameter, 47.5mm lug to lug, 13.2mm thick

Posted at

Apr 23, 2026, 9:09 AM

Active

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(Reserved for u/vohms) Omega Speedmaster Moonwatch White Dial

Omega - Speedmaster Moonwatch · $7,800

This Omega Speedmaster Moonwatch features a white dial, and comes with its full set of accessories, including boxes, papers, warranty card, pictogram card, Master Chronometer card, and extra links.

Condition: Overall mint condition
Set included: 2025 full set
Extra links: 1

Posted at

Apr 23, 2026, 12:06 AM

Active

View listing on r/WatchExchange