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 Professional “Chocolate Dial” 42mm Ref. 311.30.42.30.13.001 Sapphire Sandwich, Full Set, Excellent Condition

Omega - 311.30.42.30.13.001 · $6,695

This Omega Speedmaster Professional features a unique chocolate dial and sapphire crystal, showcasing the beautifully finished Caliber 1863 movement.

Condition: Excellent pre-owned
Case size: 42mm
Case material: Stainless Steel
Dial color: Brown 'Chocolate' Dial (tropical-inspired)

Posted at

Mar 20, 2026, 7:01 PM

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Omega Speedmaster Racing 329.30.44.51.04.001 COMPLETE SET 2024

Omega - 329.30.44.51.04.001 · $5,950

This Omega Speedmaster Racing features a white dial and comes with the complete set including double boxed, all the cards, warranty card dated 2024, and manual.

Condition: Excellent
Payment Methods: crypto, credit/debit card, other methods (excluding PayPal)
Trading Brands: Tudor, Cartier, Rolex, Omega, Breitling, AP
Shipping: shipped

Posted at

Mar 20, 2026, 4:15 PM

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[CONUS] 1965 Omega Speedmaster 105.003 Ed White Pre-Moon Caliber 321

Omega - 105.003-65 · $9,300

A 1965 Omega Speedmaster Pre-Moon 105.003 Ed White watch, certified by NASA for space missions. This is one of the three references that were on the Moon and features a very beautiful dial with minimal signs of wear.

Condition: Very good with minimal signs of wear
Dial condition: very beautiful dial
Bezel condition: original aluminium bezel with DON, some wear throughout
Case size: 40mm diameter

Posted at

Mar 20, 2026, 11:48 AM

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(Omega) Speedmaster Date 3511.50

Omega - 3511.50 · $1,999

This Omega Speedmaster Date features a tritium dial and hands, 39mm case, 44mm lug-to-lug length and 18mm lug width.

Condition: Great condition
Case Diameter: 39mm
Lug To Lug Length: 44mm
Lug Width: 18mm

Posted at

Mar 20, 2026, 11:31 AM

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2024 Omega Speedmaster "Blue Side of the Moon" BSOM Aventurine Dial - 304.93.44.52.03.002 Box and Papers

Omega - 304.93.44.52.03.002 · $11,249

This Omega Speedmaster Moonphase features a blue ceramic case and bezel, paired with a deep blue aventurine dial that sparkles beautifully under the light.

Condition: Excellent, minimal wear
Case size: 44.25mm diameter
Movement: Co-Axial Master Chronometer Caliber 9904

Posted at

Mar 20, 2026, 11:10 AM

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Omega Speedmaster Reduced - White Mother of Pearl w/ Light Blue Numerals - STUNNING - $2,499 Shipped!

Omega - Speedmaster Reduced · $2,499

This Omega Speedmaster Reduced features a white mother of pearl dial with light blue numerals, making it a stunning timepiece.

Dial color: White Mother of Pearl w/ Light Blue numerals

Posted at

Mar 20, 2026, 8:39 AM

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Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

Omega - 310.30.42.50.04.001 · $8,100

This Omega Speedmaster Moonwatch Professional features a white dial and is a full set, including watch, box, historical booklet, user manual, microfiber cloth, master chronometer card, and warranty card.