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 MK40

Omega - 3820.53 · $3,000

a fun watch with tritium lume that has aged to a perfect pumpkin hue, made famous by Ben Clymer and Schumacher.

Condition: Great condition
Case Size: 38.5mm diameter
Lug Width: 18mm
Lug To Lug: 45mm length

Posted at

Mar 19, 2026, 11:24 PM

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Omega Speedmaster Reduced “MOP” Chronograph on Alligator StrapRef. 3834.78.38 – Full Set – 2012

Omega - 3834.78.38 · $4,150

A more refined take on the Speedmaster, combining sporty chronograph functionality with a dressier look, powered by Omega automatic Caliber 3220.

Condition: Excellent overall with light hairlines from normal wear.
Case size: 39mm
Movement: Omega automatic Caliber 3220
Crystal material: Sapphire crystal

Posted at

Mar 19, 2026, 10:55 PM

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Omega Speedmaster Pro White Dial on Flat Link Bracelet

Omega - 310.30.42.50.04.001 · $7,300

Selling an Omega Speedy Pro White Dial on the OEM Speedmaster '57 flat link bracelet, which honors the look from the original Speedmaster from 1957.

Bracelet type: flat link
Bracelet origin: Omega Boutique at South Coast Plaza in Costa Mesa, CA
Snail trails: present on clasp

Posted at

Mar 19, 2026, 7:51 PM

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Omega Speedmaster Mark II. 327.10.43.50.01.001.

Omega - 327.10.43.50.01.001 · $3,295

This Omega Speedmaster Mark II is a large watch that fits well on the wrist.

Condition: Very good condition
Case Size: 40mm
Shipping Location: NJ USA

Posted at

Mar 19, 2026, 4:54 PM

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Omega Speedmaster Reduced 3510.50 – 2011 Full Set – Serviced – $2,895

Omega - 3510.50 · $2,895

A 2011 Omega Speedmaster Reduced in excellent condition, featuring a black dial and automatic chronograph movement. The watch comes with inner & outer boxes, warranty card, and manuals.

Condition: Excellent / near mint condition
Case size: 39mm
Movement: Omega automatic chronograph (Cal. 3220 / 1140 base)

Posted at

Mar 19, 2026, 4:06 PM

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Omega Speedmaster Day-Date 3220.50 – 2017 Full Set – $3,295

Omega - 3220.50 · $3,295

This Omega Speedmaster Day-Date 3220.50 is a 2017 full set with black dial and automatic chronograph function, featuring triple calendar (day/date/month) and 40mm case.

Condition: Mint condition
Case size: 40mm diameter
Movement type: automatic
Crystal material: sapphire

Posted at

Mar 19, 2026, 3:51 PM

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2017 OMEGA SPEEDMASTER '57 TRILOGY 60TH ANNIVERSARY EDITION 311.10.39.30.01.001

Omega - 311.10.39.30.01.001 · $8,250

A highly collectible Omega Speedmaster ’57 Trilogy 60th Anniversary Edition, reference 311.10.39.30.01.001, released in 2017 to celebrate 60 years of the iconic Speedmaster.

Condition: excellent
Production run: 3,557 numbered pieces worldwide
Case size: 38.6 mm stainless steel case
Diameter: 38.6 mm

Posted at

Mar 19, 2026, 10:42 AM

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Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina Original Step Tritium Dial (Unpolished)

Omega - 145.022-69 · $5,235

This Omega Speedmaster Professional Moonwatch features a yellow patina on its original step dial and tritium hands, which react under UV light to emit a green glow. The watch retains its original factory finish and has been serviced in February 2026.

Condition: Unpolished, all-original condition with signs of age
Size: 42mm diameter
Year: 1969
Movement serviced: February 2026

Posted at

Mar 19, 2026, 10:39 AM

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