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

Reference 310.32.42.50.04.001

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

About this watch

Welcome to the world of luxury timepieces, where elegance meets precision! The Omega Speedmaster Professional Moonwatch 310.32.42.50.04.001 is a marvel of engineering and design, blending tradition with innovation. This iconic watch features the Omega caliber 3861 movement, an updated version of the legendary caliber 861 and 1861, with advancements like the co-axial escapement and silicon balance spring. The chronograph functionality allows you to time your daily activities with precision and style. The stainless steel case is robust and elegant, with a diameter of 42 mm striking a perfect balance between presence and wearability. Protected by a sapphire crystal, the white dial features stick and dot indexes for excellent legibility and stick hands for easy reading. The open case back allows you to appreciate the intricate workings of the caliber 3861 movement. With its Master Chronometer certification, this watch has passed rigorous testing for precision and performance. It's designed for those who appreciate the finer things in life, with a comfortable fit and wearability that makes it perfect for daily wear.

Buy Now on Jomashop

This is an affiliate link

Key Features

Omega Caliber 3861 Movement
Manual-Winding Chronograph Functionality
42mm Stainless Steel Case
Sapphire Crystal Protection
Master Chronometer Certification
Magnetic Resistance up to 15,000 gauss
50 hours Power Reserve

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch 3861 Stainless Steel / White / Sapphire / Rubber

Reference

310.32.42.50.04.001

Movement

3861

Movement Features

Small Seconds, Hours, Minutes
Chronograph
Chronometer

Case

Stainless Steel 42mm

Dial Color

White

Crystal

Sapphire

Water Resistance

Current Listings

LEGENDARY 1967 Omega Speedmaster Ed White Pre Moon Cal 321 Chronograph Ref ST 105.003 on Rare JB Champion Bracelet w/ Extract!

Omega - ST 105.003 · $11,950

This Omega Speedmaster Ed White Pre Moon Cal 321 Chronograph is an iconic watch that went to space on the wrist of astronaut Ed White in 1965. The watch comes with an Omega extract showing it was originally delivered to Italy and features a rare JB Champion mesh bracelet.

Condition: Excellent, minimal signs of wear
Bracelet type: Rare JB Champion mesh bracelet
Movement: Cal 321 hand winding chronograph
Case size: 40MM diameter

Posted at

Feb 8, 2026, 2:29 PM

Active

View listing on r/WatchExchange

Omega 310.63.42.50.10.001 Gold Speedmaster Moonwatch

Omega - 310.63.42.50.10.001 · $18,600

A gold Omega Speedmaster Moonwatch with a beautiful green dial and bezel, and an incredible exhibition caseback.

Condition: Excellent near mint condition
Case size: 42mm diameter
Warranty expiration date: December 26, 2025

Posted at

Feb 8, 2026, 1:42 PM

Active

View listing on r/WatchExchange

310.30.42.50.01.002 Omega Sapphire Speedmaster 2025 | Complete Box & Papers | $6,699 shipped

Omega - 310.30.42.50.01.002 · $6,699

This is the current-generation sapphire sandwich reference Omega Speedmaster Professional featuring the classic black dial on a stainless steel bracelet and the updated Caliber 3861 movement. The watch comes complete with original inner and outer boxes, booklet, and warranty card.

Condition: Excellent overall condition, with a few light marks on the case and minor hairlines on the bracelet.
Case size: 42mm
Movement: Manual-wind Caliber 3861 (Master Chronometer)
Crystal: Sapphire (front & display caseback)

Posted at

Feb 8, 2026, 1:35 PM

Active

View listing on r/WatchExchange

2025 Unworn Omega Speedmaster 38mm Cappuccino Sedna Gold With Factory Diamonds 324.28.38.50.02.002 Just In Time For Valentines! $9,495

Omega - 324.28.38.50.02.002 · $9,495

This listing features a brand new Omega Speedmaster, ideal for Valentine's Day.

Condition: Unworn
Diameter: 38mm

Posted at

Feb 8, 2026, 10:58 AM

Active

View listing on r/WatchExchange

Omega Speedmaster Racing Cart

Omega - 3510.80 · $3,899

This Omega Speedmaster Racing Cart Edition features a 39mm case in excellent condition, including original box, card, authentication papers, and extra links.

Condition: Mint
Case size: 39mm

Posted at

Feb 7, 2026, 8:16 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina 1978 (Serviced)

Omega - 145.022-78 · $5,050

This Omega Speedmaster Professional Moonwatch is a well-preserved and reliable example of the Speedmaster Moonwatch, featuring a black tritium dial with even yellow patina across all hour markers.

Condition: Very good overall shape, all-original condition
Case size: 42mm
Year: 1978
Movement serviced: February 2026

Posted at

Feb 7, 2026, 5:24 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm - 311.93.44.51.99.001

Omega - 311.93.44.51.99.001 · $7,700

Up for sale is an Omega Speedmaster Grey Side Of The Moon - GSOTM - Grey Dial - 44mm watch that functions perfectly mechanically.

Condition: Great condition, small chip on edge of case back
Case Size: 44mm diameter
Case Back Condition: small chip at 9-o'clock

Posted at

Feb 7, 2026, 11:30 AM

Active

View listing on r/WatchExchange

BNIB 2026 Omega Speedmaster Moonwatch Professional White $7,999

Omega - 310.30.42.50.04.001 · $7,999

The Omega Speedmaster Moonwatch Professional features a glossy white lacquered dial, black markers, and red 'Speedmaster' text. It uses the updated 3861 movement with a sapphire crystal for a more modern look.

Condition: Brand new in box with no issues
Case size: 42mm
Case thickness: 13.2mm
Lug width: 20mm

Posted at

Feb 7, 2026, 11:13 AM

Active

View listing on r/WatchExchange