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 Moonphase 304.33.44.52.01.001

Omega Speedmaster Moonphase 304.33.44.52.01.001

Omega - 304.33.44.52.01.001 · $7,350
This Omega Speedmaster features a moonphase complication, chronograph, and automatic co-axial movement 9904.

  • Condition: Good pre-owned condition
  • Size: 44.25mm diameter
  • Movement: Automatic co-axial movement 9904
  • Strap: Omega leather strap
Posted at
May 27, 2026, 10:18 AM
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[WTS] Omega Speedmaster Reduced Ref. 3510.50 | Early Tritium Dial Variant | $2700 (SERVICED)

Omega Speedmaster Reduced Ref. 3510.50 | Early Tritium Dial Variant | $2700 (SERVICED)

Omega - 3510.50 · $2,700
The Omega Speedmaster Reduced Ref. 3510.50 is a compact 39mm automatic watch with an early tritium dial variant, carrying the classic black dial, tachymeter bezel, and chronograph layout.

  • Condition: Great condition with some use and minor scratches
  • Diameter: 39mm diameter
  • Thickness: 14mm thickness
  • Lug-to-lug: 44mm lug-to-lug length
Posted at
May 27, 2026, 10:03 AM
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[WTS] OEM Omega Speedmaster rubber strap with Omega deployant clasp

OEM Omega Speedmaster rubber strap with Omega deployant clasp

Omega - Speedmaster · $550
This listing is for an OEM Omega Speedmaster rubber strap with deployant clasp that does not fit the seller due to their wrist size.

  • Material: rubber
Posted at
May 27, 2026, 9:30 AM
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[wts] 2025 Omega Speedmaster Racing 329.30.44.51.04.001 $6999

2025 Omega Speedmaster Racing 329.30.44.51.04.001 $6999

Omega - 329.30.44.51.04.001 · $6,999
This Omega Speedmaster Racing Master Chronometer features a stainless steel case and bracelet with a black ceramic bezel ring and includes the famous tachymeter scale filled with white enamel.

  • Condition: Pre Owned, Cosmetic Condition: 9/10
  • Case size: 44 mm diameter
  • Movement: 9900 caliber
  • Power reserve: 60 hours
Posted at
May 26, 2026, 11:43 PM
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[WTS] Omega Speedmaster Professional Moonwatch – Ref. 311.30.42.30.01.005 – $5,250

Omega Speedmaster Professional Moonwatch – Ref. 311.30.42.30.01.005 – $5,250

Omega - Ref. 311.30.42.30.01.005 · $5,250
This Omega Speedmaster Professional Moonwatch is a high-end timepiece known for its accuracy and style.

  • Serial number: available upon request
Posted at
May 26, 2026, 10:00 PM
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[WTS] Omega Speedmaster Professional Moonwatch – Ref. 311.30.42.30.01.005 $5150

Omega Speedmaster Professional Moonwatch – Ref. 311.30.42.30.01.005 $5150

Omega - 311.30.42.30.01.005 · $5,150
A user's Omega Speedmaster Professional Moonwatch, a family heirloom that has been featured on the PrideAndPinion forum.

  • Year Posted On Forum: four years ago
Posted at
May 26, 2026, 9:47 PM
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[WTS] May 2026 Omega Speedmaster Silver Snoopy BNIB 310.32.42.50.02.001 $15,499

May 2026 Omega Speedmaster Silver Snoopy BNIB 310.32.42.50.02.001 $15,499

Omega - 310.32.42.50.02.001 · $15,499
Up for sale is the Omega Speedmaster “Silver Snoopy Award” 50th Anniversary in brand new condition, widely considered one of the most playful and highly coveted special-edition luxury timepieces ever produced by Omega.

  • Condition: Brand new in box with warranty
  • Case size: 42mm diameter
  • Case thickness: 14.4mm
  • Lug width: 20mm
Posted at
May 26, 2026, 5:18 PM
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[WTS] Omega Speedmaster Racing 329.32.44.51.01.001 + FREE OEM Omega Bracelet

Omega Speedmaster Racing 329.32.44.51.01.001 + FREE OEM Omega Bracelet

Omega - 329.32.44.51.01.001 · $5,799
This Omega Speedmaster Racing features a ceramic tachy bezel, METAS-certified Caliber 9900, and one of the best black/orange dials Omega has put out in years. The orange chrono handset and racing minute track give this watch more personality than the standard Speedy lineup.

  • Condition: Excellent overall condition with only light signs of wear
  • Case size: 44.25mm
  • Water resistance: 100m
  • Movement: Co-Axial Master Chronometer Caliber 9900
Posted at
May 26, 2026, 5:04 PM
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[WTS] Omega Speedmaster Professional Ref. 145.012-67 SP. Pre-Moon Full Collector's Set!

Omega Speedmaster Professional Ref. 145.012-67 SP. Pre-Moon Full Collector's Set!

Omega - 145.012-67 SP · $17,000
This listing features a rare Omega Speedmaster Professional Ref. 145.012-67 SP in its final and most desirable form, housing the legendary Caliber 321 column-wheel movement. The watch comes as a full collector's set with original Omega box and international guarantee papers dated August 22, 1968.

  • Condition: Pre-owned, original papers and box included
  • Case Manufacturer: Huguenin Frères (HF)
  • Movement: Caliber 321, serial 26.xxx.xxx
  • Bezel Type: Dot Over Ninety (DON) bezel
Posted at
May 26, 2026, 4:32 PM
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