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] 2023 Omega Speedmaster Calibre 321 “Ed White” 311.30.40.30.01.001 — Excellent Condition, Box & Papers

2023 Omega Speedmaster Calibre 321 “Ed White” 311.30.40.30.01.001 — Excellent Condition, Box & Papers

2023 Omega Speedmaster Calibre 321 'Ed White' in excellent condition, including box and papers.

  • Condition: Excellent Condition
Posted at
Jan 22, 2026, 8:22 AM
Active
[WTS] Omega Speedmaster Legend Schumacher edition ref 3506.61 MINT (box + warranty/picto/chronometer cards)

Omega Speedmaster Legend Schumacher edition ref 3506.61 MINT (box + warranty/picto/chronometer cards)

Omega - 3506.61 · $4,400
This Omega Speedmaster Legend Schumacher edition features a red dial, special collection engraved case back and is in mint condition with all original accessories.

  • Condition: Mint (unworn)
  • Bracelet size: full links
  • Case back: special collection engraved
Posted at
Jan 21, 2026, 11:10 PM
Active
[WTS] Omega Speedmaster Day-Date Reduced ref 3222.80 MINT (box + warranty card)

Omega Speedmaster Day-Date Reduced ref 3222.80 MINT (box + warranty card)

Omega - 3222.80 · $3,400
This Omega Speedmaster Day-Date is a stunning example of the reduced model, featuring day, date, month, chronograph, and 24-hour indicators with a vibrant blue dial and stainless steel bracelet. The watch includes original box, warranty card, and operating manual.

  • Condition: Mint (unworn)
  • Day-date: includes day, date, month, chronograph, and 24-hour indicators
  • Box: included in sale
  • Warranty-card: included in sale
Posted at
Jan 21, 2026, 9:18 PM
Active
[WTS] Omega Speedmaster Professional 42mm 310.30.42.50.01.002 “Sapphire Sandwich” | 2024 Complete Set

Omega Speedmaster Professional 42mm 310.30.42.50.01.002 “Sapphire Sandwich” | 2024 Complete Set

2024 Omega Speedmaster Professional 'Sapphire Sandwich' 42mm watch in great condition.

  • Condition: Pre-Owned, slight wear on bracelet and clasp, marks on lugs
  • Bracelet Links: 24
  • Service History: Unknown
  • Amp Error: -1 s/d 345+
Posted at
Jan 21, 2026, 8:07 PM
Active
[WTS] Omega Speedmaster. Sapphire Sandwich. Coaxial. Automatic. Box, Papers.

Omega Speedmaster. Sapphire Sandwich. Coaxial. Automatic. Box, Papers.

The Omega Speedmaster is a popular and iconic automatic watch featuring a sapphire sandwich design.

  • Box: true
  • Papers: true
  • Movement: coaxial automatic
Posted at
Jan 21, 2026, 7:25 PM
Active
[WTS] Omega Speedmaster Racing Chronograph Silver Dial Watch 326.30.40.50.02.001 Complete Set

Omega Speedmaster Racing Chronograph Silver Dial Watch 326.30.40.50.02.001 Complete Set

The Omega Speedmaster Racing features a silver white dial, stainless steel case and bracelet, and chronograph movement, making it a striking and fresh take on the classic Moonwatch profile.

  • Condition: Excellent
  • Case Size: 40mm diameter
  • Movement Type: chronograph
Posted at
Jan 21, 2026, 3:06 PM
Active
[WTS] Omega Speedmaster Black Fabric Strap

Omega Speedmaster Black Fabric Strap

Omega - CWZ014117 · $240
A black fabric strap for the Omega Speedmaster Pro watch, available for sale with free shipping.

  • Condition: like new, never worn
  • Width: 20/16mm
Posted at
Jan 21, 2026, 10:32 AM
Active
[WTS] Omega Speedmaster Professional Moonwatch "Sapphire Sandwich" 
310.30.42.50.01.002 Brand New Fully Stickered / Triple Boxed

Omega Speedmaster Professional Moonwatch "Sapphire Sandwich" 310.30.42.50.01.002 Brand New Fully Stickered / Triple Boxed

The Omega Speedmaster Professional Moonwatch 'Sapphire Sandwich' is a black dial chronograph with sapphire crystal front and back, featuring the iconic tachymeter bezel and trio of subdials. The exhibition caseback shows off the Master Chronometer certified caliber 3861 movement. This watch maintains the asymmetrical lug design and twisted lugs that protect the chronograph pushers.

  • Condition: Brand new - fully stickered
  • Case size: 42mm
  • Bracelet type: Five-link stainless steel
Posted at
Jan 20, 2026, 8:26 PM
Active
2023 Steel Bracelet Omega Speedmaster 38MM 324.30.38.50.06.001 Box and Papers [WTS]

2023 Steel Bracelet Omega Speedmaster 38MM 324.30.38.50.06.001 Box and Papers

This is a 2023 Steel Speedmaster 38MM Grey dial watch with features such as chronometer, date at 6 O'clock, and water resistance up to 100 Meters.

  • Condition: Excellent
  • Movement: Omega 3330
  • Power Reserve: 52 hours
  • Crystal: Scratch resistant Sapphire Crystal
Posted at
Jan 20, 2026, 11:21 AM
Active