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 "Ed White" 311.30.40.30.01.001 Collector’s set in Excellent Condition

Omega Speedmaster "Ed White" 311.30.40.30.01.001 Collector’s set in Excellent Condition

Omega - 311.30.40.30.01.001 · $16,700
The Omega Speedmaster "Ed White" is a tribute to the first American spacewalk, featuring a 39.7mm straight-lug case and manual-wind caliber 321 reissue.

  • Condition: Excellent condition with only minor signs of any wear
  • Case size: 39.7mm
  • Bracelet style: flat-link style
Posted at
May 26, 2026, 1:55 PM
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[WTS] Omega Speedmaster Dark Side of the Moon 44.25mm 310.92.44.51.01.002 ( new / 2025 / box and papers )

Omega Speedmaster Dark Side of the Moon 44.25mm 310.92.44.51.01.002 ( new / 2025 / box and papers )

Omega - 310.92.44.51.01.002 · $13,550
This Omega Speedmaster Dark Side of the Moon features a 44.25mm black ceramic case and is powered by the Omega Co-Axial Calibre 9900. It comes with all original boxes, papers, and accessories.

  • Condition: Brand new
  • Case size: 44.25mm
  • Material: Black Ceramic
  • Movement: Omega Co-Axial Calibre 9900
Posted at
May 26, 2026, 1:32 PM
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[WTS] BNIB Omega Speedmaster Professional 310.30.42.50.01.001 $6,699

BNIB Omega Speedmaster Professional 310.30.42.50.01.001 $6,699

Omega - 310.30.42.50.01.001 · $6,699
The Omega Speedmaster Moonwatch Professional features a robust and elegant 42mm stainless steel case with a hesalite front and solid case back powered by the updated caliber 3861 movement.

  • Condition: Brand new in box with warranty
  • Case size: 42mm diameter
  • Case thickness: 13.2mm
  • Lug width: 20mm
Posted at
May 26, 2026, 1:31 PM
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[WTS] Omega Speedmaster Reduced 3510.50.00 Early Tritium Dial, Hollow Endlinks, Unpolished | Fresh Service | $2,699 Shipped

Omega Speedmaster Reduced 3510.50.00 Early Tritium Dial, Hollow Endlinks, Unpolished | Fresh Service | $2,699 Shipped

Omega - 3510.50.00 · $2,699
This Omega Speedmaster Reduced features an early tritium dial with beautiful warm patina and a hollow endlink bracelet configuration, giving it a unique vintage aesthetic. The watch has been serviced and is running strongly.

  • Condition: Excellent overall for its age
  • Bracelet length: ~18cm/~7.1 inches
  • Movement: Omega Cal. 1140 (Automatic chronograph, ETA 2890-A2 + Dubois-Dépraz module)
  • Water resistance: 30m
Posted at
May 26, 2026, 11:48 AM
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[WTS] 2025 Omega Speedmaster "Silver Snoopy Award" 310.32.42.50.02.001 — Excellent Condition, Box & Papers

2025 Omega Speedmaster "Silver Snoopy Award" 310.32.42.50.02.001 — Excellent Condition, Box & Papers

Omega - 310.32.42.50.02.001
2025 Omega Speedmaster Silver Snoopy Award for sale in excellent condition, complete with box and papers.

  • Condition: Excellent Condition
  • Box and papers included: yes
Posted at
May 26, 2026, 9:05 AM
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[WTS] Omega Speedmaster Reduced 3510.50 Mint Full Set $3150

Omega Speedmaster Reduced 3510.50 Mint Full Set $3150

Omega - 3510.50 · $3,150
This Omega Speedmaster Reduced is a beautiful timepiece from 1998, featuring a stainless steel case with twisted lugs and a matte black dial with Luminova markings.

  • Condition: Mint condition
  • Material: stainless steel
  • Case diameter: 39mm
  • Movement: automatic Omega caliber 3220 (ETA 2890-2 with Dubois-Depraz chronograph module)
Posted at
May 26, 2026, 9:01 AM
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[WTS][US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set

[US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set

Omega - 310.30.40.50.06.001 · $7,425
Up for sale is an Omega Speedmaster First Omega in Space - FOiS watch, a mechanical timepiece that functions perfectly.

  • Condition: Fantastic condition with few hairlines on case, clasp, and bracelet
  • Case diameter: 40mm
  • Bracelet type: full set with linked bracelet
Posted at
May 26, 2026, 7:08 AM
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[WTS] Omega Speedmaster Date ref. 3212.80.00 40mm | Great Condition (with Box, Booklet, Cards & Serviced) | $2750

Omega Speedmaster Date ref. 3212.80.00 40mm | Great Condition (with Box, Booklet, Cards & Serviced) | $2750

Omega - 3212.80.00 · $2,750
The Omega Speedmaster Date ref. 3212.80.00 features a versatile and often overlooked chapter in the Speedmaster lineage that blends classic chronograph functionality with everyday wearability. The watch is housed in a well-proportioned 40mm stainless steel case, making it suitable for a wide range of wrist sizes.

  • Condition: Great condition with little sign of wear
  • Case size: 40mm
  • Bracelet length: up to 19cm (7.5inches)
  • Water resistance: 100m
Posted at
May 26, 2026, 12:42 AM
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[WTS] Omega Speedmaster Moonphase Chronograph 44mm, 2025, Complete Set, $8,500

Omega Speedmaster Moonphase Chronograph 44mm, 2025, Complete Set, $8,500

Omega - Speedmaster Moonphase Chronograph · $8,500
This Omega Speedmaster Moonphase Chronograph features a black sun brushed dial and ceramic tachymeter bezel. The watch includes a microstructured metallic crystal disc that shows actual lunar detail.

  • Condition: Excellent
  • Movement: Calibre 9904
  • Bracelet material: Steel
Posted at
May 26, 2026, 12:32 AM
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