Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel - Moonshine Gold / Silver

Reference 310.20.42.50.02.001

Omega Speedmaster Professional Moonwatch 3861 Stainless Steel - Moonshine Gold / Silver

About this watch

The Omega Speedmaster Professional Moonwatch 310.20.42.50.02.001 is a stunning blend of classic design and cutting-edge technology, featuring a stainless steel case, Moonshine gold accents, and sophisticated chronograph functionality. At the heart of this timepiece is the Omega caliber 3861 movement, certified as a Master Chronometer by METAS and boasting advanced features like a co-axial escapement, silicon balance spring, and magnetic resistance of up to 15,000 gauss. The Speedmaster's ergonomic design ensures it sits comfortably on the wrist, while its 50-meter water resistance makes it practical for daily wear. This watch is incredibly versatile, adapting effortlessly from formal events to casual days out, and its durability is ensured by top-notch materials like ceramic, stainless steel, and Moonshine gold. With a price point that reflects its quality and heritage, the Omega Speedmaster Professional Moonwatch 3861 is an investment in horological history.

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Key Features

Omega caliber 3861 movement with co-axial escapement and silicon balance spring
50-meter water resistance for everyday wear
Chronograph functionality with precise timing and intuitive layout
Moonshine gold accents and stainless steel case for luxurious appearance
Sapphire glass for scratch-resistance and durability
Master Chronometer certification by METAS for high accuracy and reliability

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch 3861 Stainless Steel - Moonshine Gold / Silver

Reference

310.20.42.50.02.001

Movement

3861

Movement Features

Small Seconds, Hours, Minutes
Chronograph
Chronometer

Case

42mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

Current Listings

Omega Speedmaster 310.30.40.50.06.001 First Omega in Space 39.7mm, Dec 2025

Omega - 310.30.40.50.06.001 · $7,450

A tribute to the first Omega worn in space, this modern Speedmaster has a smaller 39.7mm size, grey/blue dial, and updated mesh bracelet.

Condition: like new
Case size: 39.7mm diameter
Box and papers included: yes

Posted at

Mar 29, 2026, 10:58 AM

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Omega 3511.80.00 Speedmaster Automatic Blue Dial — Full Set (Box/Card/Instructions) — $2,200 Shipped (Tariff Covered)

Omega - 3511.80.00 · $2,200

This Omega Speedmaster Automatic features a striking blue dial and is powered by the Cal. 1152 movement, providing approximately 42 hours of power reserve.

Condition: Good overall, with light signs of wear consistent with use
Case size: 39mm x 43.5mm x 13.5mm
Lug width: 18mm
Movement: Omega Cal. 1152 (Valjoux 7750)

Posted at

Mar 29, 2026, 9:14 AM

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Omega Speedmaster Reverse Panda. Full Set. 310.30.42.50.01.004

Omega - 310.30.42.50.01.004 · $10,250

This Omega Speedmaster Reverse Panda is a stunning watch that looks amazing on the wrist, even in different lighting conditions.

Condition: Excellent (minor handling marks)
Clasp condition: Minor handling marks
Includes: Full set and receipt from AD

Posted at

Mar 28, 2026, 8:32 PM

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Omega Speedmaster X-33. Titanium. $1100 only !!

Omega - X-33 · $1,100

This listing is for an Omega Speedmaster X-33 in titanium. The watch has a digital display and the seconds hand works fine.

Condition: Used, minor issue with minute and hour hand stuck
Material: titanium
Stuck Hand Fix: possible small fix needed

Posted at

Mar 28, 2026, 7:44 PM

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20mm Omega Black - Integrated Speedmaster Rubber Strap $250 Shipped

Omega - Z017245 · $250

This is the OEM strap and the best fit and comfort for the Speedmaster professional, in my opinion.

Length: 20mm x 16mm

Posted at

Mar 28, 2026, 4:28 PM

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Omega Speedmaster Professional Sapphire - 310.30.42.50.01.002 - Full Kit

Omega - 310.30.42.50.01.002 · $6,795

A lightly pre-owned Omega Speedmaster Professional with a sapphire crystal front and display caseback, featuring the stunning omega movement.

Condition: Near like-new condition
Case Size: 42mm
Crystal Type: Sapphire

Posted at

Mar 28, 2026, 2:17 PM

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Omega Speedmaster 323.10.40.40.04.001 Specialities 2012 Olympic Games Collection Blue Red Hands | Good Condition | Serviced| 2200$

Omega - 323.10.40.40.04.001 · $2,200

The Omega Speedmaster 323.10.40.40.04.001 Specialities 2012 Olympic Games Collection features a white dial with red and blue hands, making it an eye-catching piece.

Condition: Good Condition
Case size: 39mm
Crystal type: Sapphire
Lug width: 20mm

Posted at

Mar 28, 2026, 11:17 AM

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