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

Reference 310.30.42.50.04.001

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

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

Current Listings

Omega Speedmaster Sapphire Sandwich

Omega - 31030425001002 · $6,000

A Omega Speedmaster Sapphire Sandwich, a manual winding watch featuring an original box and papers. The watch has a 42mm size.

Year: 2025
Size: 42mm diameter
Bracelet condition: barely used

Posted at

Jan 9, 2026, 4:22 PM

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OMEGA SPEEDMASTER PROFESSIONAL [WHITE][EXCELLENT CONDITION AND BARELY WORN] $7,700 OBO

OMEGA - SPEEDMASTER PROFESSIONAL · $7,700

A well-maintained Omega Speedmaster Professional in excellent condition, barely worn.

Condition: EXCELLENT CONDITION AND BARELY WORN
Payment methods: PayPal, Zelle, Venmo

Posted at

Jan 9, 2026, 4:13 PM

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1979 Omega Speedmaster Professional Moon Watch

Omega - Speedmaster Professional Moon Watch with manual wind calibre 861 · $4,000

This 1979 Omega Speedmaster Professional Moon Watch is in excellent condition, featuring its original comfort stretch 1039 bracelet and a manual wind calibre 861 movement. The watch has aged nicely, with great lume and dial details.

Condition: Excellent with fine scratches, one visible dent in the bracelet and inconsistent timegraph results
Bracelet type: Comfort stretch 1039
Case size: 42mm diameter
Crown size: 43.2mm

Posted at

Jan 8, 2026, 2:55 PM

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Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥

Omega - 145.022-69 · $5,425

This Omega Speedmaster Moonwatch presents beautifully in full steel, with a strong and sharp case and original step dial displaying warm yellow patina.

Condition: serviced, excellent definition
Size: 42mm diameter
Year: 1969
Movement service date: November 2022

Posted at

Jan 8, 2026, 2:54 PM

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Omega Speedmaster Date 32105000 Full Set 3000USD

Omega - 32105000 · $3,000

A 2009 Omega Speedmaster Date 40mm watch that has been worn only a handful of times. It comes with the box and papers, one additional link, and is in great condition.

Condition: Overall great condition, a couple of light scratches on the side of the bezel and some scuffs on the band and bottom of the case.
Length: 7.5"
Purchase Year: 2023
Service History: Not serviced since purchase

Posted at

Jan 8, 2026, 1:08 PM

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Omega Speedmaster Professional 3861 Sapphire Sandwich 310.30.42.50.01.002

Omega - 310.30.42.50.01.002

Additional details not provided.

Item: Sapphire Sandwich

Posted at

Jan 8, 2026, 2:50 AM

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Omega Speedmaster Day Date MK40

Omega - 3520.53.00 · $2,000

Up for sale is my Omega Speedmaster Day-Date MK40, reference 3520.53.00. A cult-favorite Speedy with serious ‘90s charm and one of the most wearable Speedmaster configurations ever made.

Condition: good
Case size: 39mm
Movement type: automatic chronograph

Posted at

Jan 7, 2026, 9:07 PM

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[US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002

Omega - 329.30.43.51.02.002 · $5,075

This Omega Speedmaster Chronoscope features a white panda dial in a 43mm case.

Condition: Fantastic with minor hairlines
Case Size: 43mm diameter
Included Accessories: box (inner & outer), user manual, microfiber cloth, card holder & triple cards

Posted at

Jan 7, 2026, 8:17 AM

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2024 Omega Speedmaster Grey Side of The Moon Meteorite 311.63.44.51.99.001 Full Set

Omega - 311.63.44.51.99.001 · $9,750

A 2024 Omega Speedmaster Grey Side of The Moon Meteorite watch featuring a grey ceramic case, 18K Sedna gold bezel, and meteorite dial. It has an automatic mechanical movement, comes on an original black nylon strap, and includes a full set of accessories.

Condition: Excellent pre-owned condition
Case material: Grey Ceramic
Case dimensions: 44.25mm diameter
Bezel material: 18K Sedna Gold

Posted at

Jan 6, 2026, 8:55 PM

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