Omega Speedmaster Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Bracelet

Reference 310.60.42.50.01.001

Omega Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Bracelet

About this watch

The Omega Speedmaster Professional Moonwatch 3861 Sedna Gold is a legendary timepiece that combines heritage, craftsmanship, and functionality in a way that few can match. Its stunning aesthetics, featuring a unique blend of black and gold, create a luxurious yet sporty vibe that can transition seamlessly from casual to formal settings. The watch strikes a balance between boldness and wearability, with a 42mm diameter and 13.18mm height that ensures it will never go out of style. Inside this beauty lies the Omega caliber 3861, an updated version of earlier calibers featuring a co-axial escapement and silicon balance spring. Certified by METAS, this watch is not just accurate but highly resistant to magnetic fields reaching up to 15,000 gauss. With a manual-winding chronograph movement and power reserve of 50 hours, you'll have the pleasure of winding it yourself while enjoying precise timekeeping. The black sunburst finish dial is mesmerizing, providing a backdrop for stick hands that lend a sleek, modern look while ensuring legibility at a glance. One of the standout features of the Speedmaster is its durability, with scratch-resistant sapphire glass and a water resistance rating of 50 meters. The open case back allows you to admire the intricate workings of the Omega caliber 3861, making it a treat for watch lovers.

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MSRP: $42,600

Market Price: $23,979

Key Features

Omega caliber 3861 movement
Sedna Gold case
Black sunburst finish dial
Scratch-resistant sapphire glass
50m water resistance
Manual-winding chronograph movement
Co-axial escapement and silicon balance spring

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Bracelet

Reference

310.60.42.50.01.001

Movement

3861

Movement Features

Small Seconds, Hours, Minutes
Chronograph
Chronometer

Case

Sedna Gold 42mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

Current Listings

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

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- 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

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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

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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

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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

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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

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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

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