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] Uncle Seiko US1479 Bracelet For Omega Speedmaster Professional (2 Clasps Included)

Uncle Seiko US1479 Bracelet For Omega Speedmaster Professional (2 Clasps Included)

Uncle Seiko - US1479 · $140
A high-quality bracelet designed for Omega Speedmaster Professional watches, featuring a full bracelet, all links, and two clasps.

  • Condition: Like new
  • Includes: bracelet, links, pressure-based clasp, button-based clasp, Uncle Seiko bag, 2 x 20mm lugs
  • Shipping: CONUS only
Posted at
May 3, 2025, 5:40 PM
Active
[WTS] Omega Speedmaster. 38mm. Gorgeous lume. Ceramic bezel.

Omega Speedmaster. 38mm. Gorgeous lume. Ceramic bezel.

Omega - Speedmaster · $2,550
A 38mm Omega Speedmaster with a gorgeous lume and grey dial, featuring a ceramic bezel.

  • Case size: 38mm diameter
  • Band material: AM strap
Posted at
May 3, 2025, 4:34 PM
Active
FSOT- Omega Speedmaster Triple Date Slate Blue Dial

FSOT- Omega Speedmaster Triple Date Slate Blue Dial

Omega - Speedmaster Triple Date · $1,600.002
A 38mm Omega Speedmaster Triple Date with a slate blue dial, keeping great time and functioning as it should. The watch features a sapphire crystal, perfect bezel, and original Omega buckle.

  • Condition: Very nice, with a few tiny inclusions on the case
  • Diameter: 38mm
  • Case size: reduced speedy case size
  • Lug width: 18mm
Posted at
May 3, 2025, 3:57 PM
Active
Omega Speedmaster Reduced White Dial Automatic 3510.2000

Omega Speedmaster Reduced White Dial Automatic 3510.2000

Omega - 3510.20.00 · $3,640.004
A stainless steel Omega Speedmaster Reduced White Dial Automatic watch, with a mechanical automatic movement and chronograph function.

  • Condition: 90%
  • Case size: 38mm
  • Movement type: Mechanical Automatic
Posted at
May 3, 2025, 2:25 PM
Active
[WTS] Omega Speedmaster Aventurine Moonphase Date | Fresh Service by Omega w/New OEM integrated strap & clasp

Omega Speedmaster Aventurine Moonphase Date | Fresh Service by Omega w/New OEM integrated strap & clasp

A beautiful Omega Speedmaster Aventurine Moonphase Date watch that features a stunning aventurine dial, moonphase display, and date function.

  • Condition: Like new, serviced by Omega
  • Case material: oak color
  • Case size: not specified
  • Dial material: aventurine
Posted at
May 3, 2025, 1:06 PM
Active
[WTS] Omega Speedmaster Automatic MK40 Day Date Ref 3520.53- Serviced

Omega Speedmaster Automatic MK40 Day Date Ref 3520.53- Serviced

Omega - 3520.53 · $2,650
A Omega Speedmaster Automatic MK40 Day Date Ref 3520.53, one of the coolest Speedmaster variants, featured in A Man and His Watch.

  • Condition: Pre-owned, with wear and dings on the bezel, insert, and case
  • Servicing: $875, serviced at a local professional
  • Size: 39mm diameter
  • Power reserve: 44 hour power reserve
Posted at
May 3, 2025, 12:28 PM
Active
[WTS] OMEGA SPEEDMASTER RALLY DEPLOYANT STRAP + DEPLOYANT

OMEGA SPEEDMASTER RALLY DEPLOYANT STRAP + DEPLOYANT

Omega - 98000024 · $449
This Omega Speedmaster Professional Rally Leather strap features a deployant clasp and has a lug end of 20mm that tapers to 18mm at the clasp end.

  • Strap Width At Lug End: 20mm
  • Strap Width At Clasp End: 18mm
Posted at
May 3, 2025, 1:20 AM
Active
[WTS] Omega Speedmaster Blue Side of the Moon 304.93.44.52.03.001

Omega Speedmaster Blue Side of the Moon 304.93.44.52.03.001

This Omega Speedmaster Blue Side of the Moon is in excellent condition, with no significant wear on the case and all chrono features working properly.

  • Condition: Superb shape with small nick on the back lug and signs of wear on the strap
  • Water resistance: 50m
  • Case condition: Superb shape
  • Strap condition: Signs of wear
Posted at
May 2, 2025, 6:43 PM
Active
Omega Speedmaster Racing Chronograph - Box & Papers

Omega Speedmaster Racing Chronograph - Box & Papers

Omega - 32930445101002 · $5,900.006
This Omega Speedmaster Racing Chronograph features a 44mm stainless steel case with a racing-inspired dial, Co-Axial Master Chronometer movement, and comes complete with box, instruction manual, and guarantee cards.

  • Condition: Mint
  • Case size: 44mm diameter
  • Bracelet material: steel
  • Movement: Omega Co-Axial Master Chronometer 9900
Posted at
May 2, 2025, 5:49 PM
Active