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

Reference 310.30.42.50.04.001

About this watch

The Omega Speedmaster Professional Moonwatch 3861, reference number 310.30.42.50.04.001, is a stunning timepiece that blends functionality with elegance. Designed for both everyday wear and special occasions, this watch boasts a rich history, a robust build, and a breathtaking aesthetic that easily draws attention. The pristine white dial exudes sophistication, while the stainless steel case measures 42 mm in diameter, striking the perfect balance between presence and wearability. The open case back showcases the intricate workings of the Caliber 3861 movement, highlighting the beauty of Swiss craftsmanship. This watch is more than just a timekeeper; it's a piece of history, a testament to Omega's commitment to precision and style.
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MSRP: $8,100
Market Price: $7,737

Key Features

  • Omega Caliber 3861 Movement
  • Master Chronometer Certification
  • Sapphire Crystal Glass
  • Tachymeter Bezel for Speed Measurement
  • Water Resistance up to 50 meters
  • Co-Axial Escapement for Improved Accuracy and Longevity
  • Manual-Winding Chronograph Movement with Power Reserve of 50 hours

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire / Bracelet
Reference
310.30.42.50.04.001
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 “Silver Snoopy Award” – Nylon Strap

Omega Speedmaster “Silver Snoopy Award” – Nylon Strap

Omega - 310.32.42.50.02.001 · $15,500
This Omega Speedmaster 'Silver Snoopy Award' features a silver dial with blue accents and a Snoopy subdial, set on a stainless steel case and paired with a blue nylon strap. It is powered by the manual wind Caliber 3861 movement.

  • Condition: New / Unworn
  • Material: Stainless Steel
  • Movement: Caliber 3861, Co-Axial Master Chronometer
  • Bracelet type: Blue Nylon Strap with Folding Clasp
Posted at
Dec 21, 2025, 2:25 PM
Active
[WTS]🔥Omega Speedmaster 42MM "Silver Snoopy Award"- Ref 310.32.42.50.02.001 (NEW / UNWORN : DEC 2025 COMPLETE SET)🔥

🔥Omega Speedmaster 42MM "Silver Snoopy Award"- Ref 310.32.42.50.02.001 (NEW / UNWORN : DEC 2025 COMPLETE SET)🔥

Omega - 310.32.42.50.02.001 · $15,599
This Omega Speedmaster 42MM is a 'Silver Snoopy Award' model, featuring a beautiful white dial and a stainless case.

  • Condition: Brand New/Unworn
  • Case Size: 42mm diameter
  • Dial Color: White
Posted at
Dec 21, 2025, 12:57 AM
Active
[WTS] Omega Speedmaster ‘Sapphire Sandwich’ Moonwatch White, B+P 2025

Omega Speedmaster ‘Sapphire Sandwich’ Moonwatch White, B+P 2025

Omega - 31032425004001 · $6,900
This is a white Omega Speedmaster 'Sapphire Sandwich' Moonwatch, featuring a 42mm case size and Omega 3861 movement.

  • Condition: Very Good preowned condition with minor hairlines from light handling
  • Case size: 42mm
  • Movement: Omega 3861
  • Power reserve: 5 hours
Posted at
Dec 20, 2025, 9:16 PM
Active
[WTS] Omega Speedmaster FOIS | 310.30.40.50.06.001 | Complete Box & Papers 2024 | $6,849 Shipped

Omega Speedmaster FOIS | 310.30.40.50.06.001 | Complete Box & Papers 2024 | $6,849 Shipped

This Omega Speedmaster "First Omega in Space" (FOIS) model is a historically faithful modern reference that pays homage to the watch worn by astronaut Walter Schirra during the Mercury-Atlas 8 mission. It has a straight-lug case, symmetrical profile, and hesalite crystal.

  • Condition: Excellent / near-mint
  • Case diameter: 40mm
  • Crystal material: hesalite
  • Year purchased: 2024
Posted at
Dec 20, 2025, 9:13 PM
Active
[WTS] Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET

Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET

This Omega Speedmaster Dark Side of the Moon features a full-ceramic case and buckle, presented in excellent condition.

  • Condition: Mint, like-new
  • Case material: Full ceramic
  • Year: 2019
Posted at
Dec 20, 2025, 6:57 PM
Active
[WTS] Omega Speedmaster “First Omega in Space” FOISRef: 310.30.40.50.06.001 | 2025 | Full Set | Very Good Condition | Active Factory Warranty

Omega Speedmaster “First Omega in Space” FOISRef: 310.30.40.50.06.001 | 2025 | Full Set | Very Good Condition | Active Factory Warranty

This Omega Speedmaster is known as the 'First Omega in Space' with a FOIS reference number, specifically Ref: 310.30.40.50.06.001, from the year 2025.

  • Condition: Very Good
Posted at
Dec 20, 2025, 5:33 PM
Active
[WTS] Omega Speedmaster Moonwatch Professional White dial Black rubber strap 42mm Box & Papers 310.32.42.50.04.001

Omega Speedmaster Moonwatch Professional White dial Black rubber strap 42mm Box & Papers 310.32.42.50.04.001

This Omega Speedmaster Moonwatch Professional features a white dial on a black rubber strap, with a 42mm case and various complications including a chronograph and tachymeter.

  • Condition: Excellent
  • Case Material:
  • Diameter: 42mm
  • Water Resistance:
Posted at
Dec 20, 2025, 4:30 PM
Active
[WTS] Omega Vintage Speedmaster Bracelet 1496 (18mm end-links)

Omega Vintage Speedmaster Bracelet 1496 (18mm end-links)

Omega - 1496 · $299
Up for sale is my Omega 1496 bracelet with 18mm endlinks (ref#813) that I had on my Speedmaster Reduced, now collecting dust.

  • Condition: good shape for its age
  • End links size: 18mm
Posted at
Dec 20, 2025, 4:06 PM
Active
[WTS] Omega Speedmaster. 39mm. Automatic. $1550 only !!

Omega Speedmaster. 39mm. Automatic. $1550 only !!

Omega - Speedmaster · $1,550
This Omega Speedmaster is a 39mm automatic chronograph watch with an AM strap.

  • Condition: Very nice
  • Case Size: 39mm diameter
  • Movement Type: Automatic
Posted at
Dec 20, 2025, 11:54 AM
Active