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 Date Chronometer 3210.50.00 — Big Seahorse, Cal. 1164 (Serviced) — $2,150 Shipped (Tariff Coverd)

Omega Speedmaster Date Chronometer 3210.50.00 — Big Seahorse, Cal. 1164 (Serviced) — $2,150 Shipped (Tariff Coverd)

Omega - 3210.50.00 · $2,150
This Omega Speedmaster Date Chronometer features a classic black dial and iconic tachymeter bezel, paired with the Cal. 1164 automatic chronometer-certified movement.

  • Condition: Honest wear consistent with age, minor signs of use on bezel insert
  • Case size: 40mm diameter
  • Movement: Cal. 1164 (ETA 7750 base)
  • Water resistance: unknown
Posted at
Apr 19, 2026, 8:21 AM
Active
[WTS] Omega Speedmaster Moonwatch Sapphire / 310.30.42.50.01.002 / 2022 full set under warranty - $5950

Omega Speedmaster Moonwatch Sapphire / 310.30.42.50.01.002 / 2022 full set under warranty - $5950

For sale is a Omega Speedmaster Moonwatch Sapphire Sandwich, overall in excellent condition.

  • Condition: Overall excellent condition with normal marks on the case, bracelet, clasp, and caseback
  • Year: 2022
  • Warranty: under warranty
Posted at
Apr 18, 2026, 9:40 PM
Active
[WTS] Rare Vintage Omega Speedmaster Teutonic Ghost Gray Dial Ref 145.0044

Rare Vintage Omega Speedmaster Teutonic Ghost Gray Dial Ref 145.0044

Omega - 145.0044 · $2,795
This is a rare vintage Omega Speedmaster Teutonic model made for the German market in the early 1980s. It features a unique gray dial, bead-blasted case, and integrated bracelet.

  • Condition: Pre-owned, with wear
  • Diameter: 42mm
  • Movement: Manual wound Omega cal 861
  • Bracelet length: fits up to app 7.25 inches
Posted at
Apr 18, 2026, 9:08 PM
Active
[WTS] Omega Speedmaster Dark Side of The Moon Black Ceramic 311.92.44.51.01.006 Full Set

Omega Speedmaster Dark Side of The Moon Black Ceramic 311.92.44.51.01.006 Full Set

This Omega Speedmaster Dark Side of The Moon features a black ceramic case and bezel, with a black dial and vintage Super-LumiNova.

  • Condition: Excellent preowned condition with no signs of wear on the case, bracelet, bezel or buckle.
  • Case material: Black Ceramic
  • Case dimensions: 44.25mm diameter
  • Bezel material: Black Ceramic
Posted at
Apr 18, 2026, 9:05 PM
Active
[WTS] Omega Speedmaster Professional Moon Watch 42mm Steel 311.30.42.30.01.005 Box & Manual

Omega Speedmaster Professional Moon Watch 42mm Steel 311.30.42.30.01.005 Box & Manual

A stainless steel Omega Speedmaster Professional Moon Watch in 42mm diameter with a black dial and manual wind movement.

  • Condition: Preowned with scratches on the case, bracelet, buckle and light scratches on the crystal
  • Case dimensions: 42mm diameter
  • Band material: Stainless Steel Bracelet
  • Additional straps: 2
Posted at
Apr 18, 2026, 8:13 PM
Active
[WTS] Omega Speedmaster Reduced - Mother of Pearl - White Dial - Factory Strap

Omega Speedmaster Reduced - Mother of Pearl - White Dial - Factory Strap

A super rare and unique Omega Speedmaster reduced model with a 39mm case, featuring a stunning Mother of Pearl dial.

  • Condition: Good condition for the age
  • Case size: 39mm
  • Strap type: Leather (factory)
  • Bezel wear: Some wear
Posted at
Apr 18, 2026, 5:59 PM
Active
[WTS] 2023 Omega Speedmaster ’57 Blue Dial 41.5mm 332.10.41.51.03.001 Full Set Excellent

2023 Omega Speedmaster ’57 Blue Dial 41.5mm 332.10.41.51.03.001 Full Set Excellent

The Omega Speedmaster '57 features a striking sun-brushed blue dial with vintage-inspired hands and recessed sub-dials, paying homage to the iconic original.

  • Condition: Excellent
  • Diameter: 40.5mm
  • Material: stainless steel
Posted at
Apr 18, 2026, 2:38 PM
Active
[WTS] 2024 Omega Speedmaster ’57 Sedna Gold Two-Tone 41.5mm 331.22.42.51.01.001 Full Set Excellent

2024 Omega Speedmaster ’57 Sedna Gold Two-Tone 41.5mm 331.22.42.51.01.001 Full Set Excellent

A vintage-inspired Speedmaster with modern Master Co-Axial engineering, featuring 18K Sedna gold case and black dial.

  • Condition: Excellent
  • Case material: 18K Sedna gold
  • Diameter: 41.5mm
Posted at
Apr 18, 2026, 2:33 PM
Active
[WTS] Omega Speedmaster 3513.20 Chrnograph Olympic Special Edition Blue Red Hands |Good conditon| Serviced| Full Box Paper Tag| 2300$

Omega Speedmaster 3513.20 Chrnograph Olympic Special Edition Blue Red Hands |Good conditon| Serviced| Full Box Paper Tag| 2300$

Omega - 3513.20 · $2,300
This Omega Speedmaster stands out with its white dial and eye-catching red and blue hands, making it a unique piece.

  • Condition: Good Condition, Serviced
  • Case Size: 39mm diameter
  • Crystal: Sapphire crystal
  • Lug Width: 20mm
Posted at
Apr 18, 2026, 12:59 PM
Active