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

(OEM) Omega Speedmaster 20 mm Flat Link Bracelet

Omega - Flat Link Bracelet 20mm · $995

This is an OEM Omega Speedmaster bracelet with a flat link design, suitable for various Speedmaster models. It features a stainless steel construction and a vintage-style foldover clasp.

Condition: Great, lightly used
Lug width: 20mm
Taper: 20mm to 15mm
Material: Stainless Steel

Posted at

May 7, 2026, 2:29 PM

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2026 Omega Speedmaster “Reverse Panda” 310.30.42.50.01.004 $9599

Omega - 310.30.42.50.01.004 · $9,599

A 2026 Omega Speedmaster "Reverse Panda" with a 42mm steel case and black dial.

Condition: Preowned, Cosmetic Condition: 9.9/10, Fully Functional
Warranty card date: February 2026
Case size: 42mm diameter
Movement: 3861 caliber

Posted at

May 7, 2026, 1:58 PM

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2020 Omega Speedmaster Moonphase Black 304.30.44.52.01.001 Full Set - $7,995

Omega - 304.30.44.52.01.001 · $7,995

Up for sale is a Omega Speedmaster Moonphase Black, a 2020 model featuring a moon phase display.

Condition: Excellent condition with minimal signs of wear
Year: 2020
Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual

Posted at

May 7, 2026, 1:45 PM

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View listing on r/WatchExchange

Omega Speedmaster Reduced Strap - 18mm

Omega

Strap width: 18mm

Posted at

May 7, 2026, 11:22 AM

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Omega Speedmaster 3519.50.00 “Schumacher World Champion 2001” LE — Racing Dial — $2,550 Shipped (Tariff Covered)

Omega - 3519.50.00 · $2,550

This Omega Speedmaster is a limited edition "Schumacher World Champion 2001" watch featuring a unique racing dial.

Case size: 40mm diameter
Band type: leather strap
Dial color: racing dial

Posted at

May 7, 2026, 10:44 AM

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Genuine (OEM) Omega Speedmaster Apollo 11 50th Anniversary Flat Link Bracelet

Omega · $1,120

The Omega Speedmaster Apollo 11 50th Anniversary Flat Link Bracelet is a sought-after accessory designed exclusively for the limited edition Apollo 11 50th Anniversary 'Moonshine' steel model. It features fully brushed flat links with polished outer edges and a compact, vintage-style clasp.

Condition: Great, lightly used
Lug width: 20mm
Taper: 20mm to 15mm (Dramatic, vintage-style taper)
Material: Stainless Steel

Posted at

May 7, 2026, 10:06 AM

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2025 Omega Speedmaster Sedna Gold 310.60.42.50.01.001 — Like New Condition, Box & Papers

Omega - 310.60.42.50.01.001 · $29,500

The Omega Speedmaster Sedna Gold is a modern take on the iconic Moonwatch design, featuring a rich black dial and matching gold bracelet. It's powered by a Master Chronometer manual-wind movement, blending classic heritage with modern performance.

Condition: Like new, small ding on bezel near 12 o'clock
Box And Papers: Yes
Bracelet Material: Gold
Case Diameter: 42mm

Posted at

May 7, 2026, 9:12 AM

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