Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire

Reference 310.32.42.50.04.002

About this watch

The Omega Speedmaster Professional Moonwatch 3861 is a masterful blend of style, history, and technical excellence. This watch embodies the essence of luxury with its sleek stainless steel case, striking white dial, and iconic design that transcends fashion trends. With its Master Chronometer certification, exceptional accuracy is guaranteed, while the manual winding movement adds a touch of personal connection to the wearer's wrist. The Speedmaster's rich history and association with NASA's Apollo missions make it a true icon in horology, connecting the wearer to a significant moment in human history. Whether you're a watch collector or simply someone who appreciates fine timepieces, this watch deserves a spot in your collection.
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Key Features

  • Master Chronometer Certified
  • Magnetic Resistance up to 15,000 gauss
  • Manual-Winding Chronograph Movement
  • Free-Sprung Balance with Silicon Balance Spring
  • 42.00 mm Diameter
  • 13.18 mm Height
  • 20.00 mm Lug Width

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire
Reference
310.32.42.50.04.002
Movement
3861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
  • Chronometer
Case
Stainless Steel 42mm
Dial Color
White
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Omega Speedmaster. 39mm. Special Dial.

Omega Speedmaster. 39mm. Special Dial.

Omega - Speedmaster · $2,200
A 39mm Omega Speedmaster with a special dial is being sold. The watch features an automatic movement and has been listed for sale.

  • Diameter: 39mm
  • Movement type: automatic
Posted at
May 9, 2026, 4:28 PM
Active
[WTS] Omega Speedmaster Broadarrow. Strong Lume.

Omega Speedmaster Broadarrow. Strong Lume.

This Omega Speedmaster Broadarrow features strong lume and runs well.

  • Condition: Runs well
  • Shipping: Fedex with insurance
  • Location: NJ USA
  • References: 800+ references
Posted at
May 9, 2026, 3:40 PM
Active
[WTS] Omega Speedmaster Tokyo Gold Green 522.20.42.30.06.001

Omega Speedmaster Tokyo Gold Green 522.20.42.30.06.001

Omega Speedmaster Tokyo Gold Green in mint condition, complete with original boxes and papers.

  • Condition: Mint condition with minor wear on the bracelet
  • Bracelet state: has all stickers
  • Extra strap included: yes
  • Strap type: crocodile leather
Posted at
May 9, 2026, 1:59 PM
Active
[WTS] Omega Speedmaster Reduced Sapphire Crystal 3539.50 39mm $2,900

Omega Speedmaster Reduced Sapphire Crystal 3539.50 39mm $2,900

Omega - 3539.50 · $2,900
This Omega Speedmaster Reduced is a 39mm watch recently serviced by a professional watchmaker and features a sapphire crystal.

  • Condition: Used, with minor cosmetic damage (nicks around the bezel)
  • Case Size: 39mm
  • Bracelet Length: 18.5cm
Posted at
May 9, 2026, 1:58 PM
Active
[WTS] 2005 Omega Speedmaster Professional "Sapphire Sandwich" Ref. 3573.50 Watch + Card and Tag - $4,800

2005 Omega Speedmaster Professional "Sapphire Sandwich" Ref. 3573.50 Watch + Card and Tag - $4,800

Omega - 3573.50 · $4,800
This Omega Speedmaster Professional Moonwatch is a stainless steel watch with a sapphire crystal and an Omega 1863 movement, featuring a 42mm diameter case.

  • Condition: Good
  • Case material: Stainless steel
  • Crystal material: Sapphire
  • Movement: Omega 1863
Posted at
May 9, 2026, 12:22 PM
Active
[WTS] 2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995

2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995

A 2020 Omega Speedmaster Moonphase Black, in excellent condition with minimal signs of wear, featuring a moon phase function and a sleek black design.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2020
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Posted at
May 9, 2026, 11:28 AM
Active
[WTS] Omega Speedmaster Reduced (automatic)

Omega Speedmaster Reduced (automatic)

A beautiful Omega Speedmaster Automatic in good condition, featuring the iconic Speedmaster design in a more wearable 38mm automatic configuration.

  • Condition: Good overall condition for its age, normal signs of wear consistent with age
  • Movement: Automatic chronograph movement
  • Case Material: Stainless steel
  • Crystal: Hesalite
Posted at
May 9, 2026, 9:57 AM
Active
[WTS] UNWORN Omega Speedmaster ’57 Master Chronometer – BOX & PAPERS – 332.10.41.51.01.001

UNWORN Omega Speedmaster ’57 Master Chronometer – BOX & PAPERS – 332.10.41.51.01.001

  • Condition: Unworn
  • Movement: Manual-wind Cal 9906
  • Case material: Stainless-steel
  • Case diameter: 40.5mm
Posted at
May 9, 2026, 8:58 AM
Active
[WTS] Omega Speedmaster Professional Moonwatch – Ref. 310.30.42.50.01.001 – Excellent Condition – 2022 - $5,399 🔥🔥🔥

Omega Speedmaster Professional Moonwatch – Ref. 310.30.42.50.01.001 – Excellent Condition – 2022 - $5,399 🔥🔥🔥

This Omega Speedmaster Professional Moonwatch features the iconic Hesalite crystal and manual-wind Master Chronometer movement 3861. It's in excellent condition with only extremely light signs of wear and is running strong with warranty left for peace of mind.

  • Condition: Excellent, minimal hairline scratches.
  • Case Size: 42mm
  • Movement: Manual-wind Co-Axial Master Chronometer (Cal. 3861)
  • Crystal: Hesalite
Posted at
May 8, 2026, 9:28 PM
Active