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.

Buy Now on Jomashop

This is an affiliate link

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 Moonwatch 3861 Sapphire 310.30.42.50.01.002 ( new / 2026 / box and papers )

Omega - 310.30.42.50.01.002 · $7,250

This is an Omega Speedmaster Moonwatch Professional Sapphire with a 42mm stainless steel case and 3861 Omega Master Chronometer Movement.

Condition: Brand new
Case size: 42mm diameter
Movement: 3861 Omega Master Chronometer Movement

Posted at

May 6, 2026, 12:55 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Moonwatch 3861 Hesalite 310.30.42.50.01.001 ( new / 2026 / box and papers )

Omega - 310.30.42.50.01.001 · $6,250

This Omega Speedmaster Moonwatch Professional is a brand new watch with all original packaging and papers, featuring a stainless steel case and 3861 Omega Master Chronometer Movement.

Condition: Brand new
Case size: 42mm diameter
Movement type: Master Chronometer

Posted at

May 6, 2026, 12:46 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Milano Cortina 2026 (Full Set, Like New)

Omega - 522.30.38.50.04.001 · $6,900

The Omega Speedmaster Milano Cortina 2026 features a varnished white dial with a frosted blue pattern, a stamped Olympic medallion caseback and is part of the full set with boxes, warranty card and other accessories.

Condition: Like New
Case size: 38mm diameter
Thickness: 14.75mm
Lug to lug length: 44.96mm

Posted at

May 5, 2026, 10:07 PM

Active

View listing on r/WatchExchange

- 1985 Omega Speedmaster Pro 3590.50 with Hang Tag - $5,800

Omega - 3590.50 · $5,800

This 1985 Omega Speedmaster Professional features a 42mm stainless steel case with a matte black tritium dial and black aluminum bezel insert. The watch has developed a beautiful patina over time, and the lume has aged to a cappuccino-like hue.

Condition: Excellent, unpolished condition with light wear for its age
Case size: 42mm
Bracelet length: Up to 19.5 cm / 7.67"
Crystal material: Hesalite

Posted at

May 5, 2026, 9:28 PM

Active

View listing on r/WatchExchange

Omega Speedmaster 3590.50 Serviced with Extra Omega Straps

Omega - 3590.50 · $5,350

The Omega Speedmaster 3590.50 is a vintage classic featuring the historic caliber 861, with an original tritium dial and hands.

Condition: Good
Year: 1994/95
Case width: 42mm
Movement: 861

Posted at

May 5, 2026, 9:26 PM

Active

View listing on r/WatchExchange

Omega / Speedmaster date / Silver Dial / 40mm / Full Set

Omega - 3211.30.00

This Omega Speedmaster date features a silver dial and a 40mm case, making it suitable for smaller wrists.

Condition: Excellent
Diameter: 40mm
Includes: Double boxed, all three cards filled out, card holder, manual booklet

Posted at

May 5, 2026, 3:00 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Racing Blue 326.30.40.50.03.001 w Pictograms

Omega - 326.30.40.50.03.001 · $2,999

This Omega Speedmaster Racing watch features a clean crystal and bezel insert, along with a healthy movement.

Condition: Preowned, with minor scratches/dings

Posted at

May 5, 2026, 1:00 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Date 3210.50 Black Dial $1,999

Omega - 3210.50 · $1,999

The Omega Speedmaster Date is a 40mm stainless steel automatic chronograph with a black dial and tachymeter bezel, featuring a sporty classic look.

Condition: good pre-owned
Case size: 40mm diameter
Lug-to-lug: 45mm length
Lug width: 19mm width

Posted at

May 5, 2026, 12:04 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Silver Snoopy 50th Anniversary 310.32.42.50.02.001 ( new / 2025 / box and papers )

Omega - 310.32.42.50.02.001 · $15,750

This Omega Speedmaster Moonwatch is a brand new Silver Snoopy Award 50th Anniversary model, featuring a 42mm stainless steel case and the Omega Master Chronometer Movement.

Condition: Brand new
Case size: 42mm
Movement type: Master Chronometer

Posted at

May 5, 2026, 11:49 AM

Active

View listing on r/WatchExchange