Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Plexi / Kanjar Oman

Reference 310.30.42.50.01.003

Omega Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Plexi / Kanjar Oman

About this watch

The Omega Speedmaster Professional Moonwatch 3861 is a piece of history wrapped around your wrist, with its rich lineage and modern upgrades capturing the hearts of watch enthusiasts and collectors alike. This manual-winding chronograph movement features a co-axial escapement and silicon balance spring, making it resistant to magnetic fields up to 15,000 gauss. The plexi glass provides a warm, vintage feel that many collectors adore, while the stainless steel case measures 42mm in diameter and has a water resistance of 50 meters. This timepiece is perfect for everyday wear, suitable for both formal and casual occasions. With its stunning design, robust movement, and versatility, it's a celebration of heritage, precision, and style.

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Key Features

Omega Caliber 3861 Movement
Plexi Glass with Vintage Feel
42mm Stainless Steel Case
50m Water Resistance
Manual-Winding Chronograph Function
Co-Axial Escapement and Silicon Balance Spring

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch 3861 Stainless Steel / Black / Plexi / Kanjar Oman

Reference

310.30.42.50.01.003

Movement

3861

Movement Features

Small Seconds, Hours, Minutes
Chronograph
Chronometer

Case

Stainless Steel 42mm

Dial Color

Black

Crystal

Plexi

Water Resistance

Current Listings

Omega Speedmaster Silver Snoopy Award 310.32.42.50.02.001 w/ Bracelet x Full Set

Omega - 310.32.42.50.02.001 · $15,000

A 2023 Omega Speedmaster Silver Snoopy Award watch, part of the 50th Anniversary collection, featuring a complete set including bracelet and canvas bands.

Condition: Preowned with light wear (hairline scratches)
Bracelet Type: Fully linked
Canvas Band: yes

Posted at

Dec 8, 2025, 10:28 AM

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Omega Speedmaster Professional Moonwatch Tropical Brown Dial Heavy Patina Blue Insert 1969 (Serviced) 🟤

Omega - 145.022-69 · $15,150

Very rare and fully original Omega Speedmaster Moonwatch 145.022-69 in beautiful condition, featuring a deep, even transformation with heavy yellow patina across all indices and matching hands.

Case Size: 42mm
Year Made: 1969
Movement Status: serviced in November 2025

Posted at

Dec 7, 2025, 6:21 PM

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Omega Speedmaster. 39mm. Triple Date. Clean.

Omega - Speedmaster (no specific reference number given) · $1,875

This Omega Speedmaster is a 39mm triple date model with clean condition.

Condition: Clean
Case Size: 39mm
Location: NJ USA

Posted at

Dec 7, 2025, 3:59 PM

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[WTS] Omega Speedmaster 1957 / Broad Arrow Automatic Chrono 42mm Black Gloss Dial - Cal. 3313 High Horology Co Axial Column Wheel - Full Kit 09/2012 - $4,250 shipped CONUS

Omega Speedmaster 1957 / Broad Arrow Automatic Chrono 42mm Black Gloss Dial - Cal. 3313 High Horology Co Axial Column Wheel - Full Kit 09/2012 - $4,250 shipped CONUS

Omega - 1957 / Broad Arrow Automatic Chrono 42mm · $4,250

This Omega Speedmaster 1957 Broad Arrow chronograph is a full kit with warranty card dated September 2012. It features a high horology Frederic Piguet based movement with a column wheel and Co Axial escapement.

Condition: Excellent (minor wear on bezel and bracelet)
Movement: Omega Caliber 3313 (Frederic Piguet based) with Co Axial escapement and column wheel

Posted at

Dec 6, 2025, 3:49 PM

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[WTS] Omega Speedmaster Broad Arrow Olympics 2012 – Gloss White Porcelain-Like Dial • Heat-Blued Hands • Cal. 3313 Co-Axial Column-Wheel Automatic Chrono • Rubber B Croc SwimSkin Strap - $2,600 Shipped CONUS

Omega Speedmaster Broad Arrow Olympics 2012 – Gloss White Porcelain-Like Dial • Heat-Blued Hands • Cal. 3313 Co-Axial Column-Wheel Automatic Chrono • Rubber B Croc SwimSkin Strap - $2,600 Shipped CONUS

Omega - Speedmaster Broad Arrow Olympics 2012 · $2,600

The Omega Speedmaster Broad Arrow Olympics 2012 features a gloss white, porcelain-like dial with sunken subdials and heat-blued hands. It has a classic, beautiful design and is extremely refined.

Condition: Excellent, recently pressure-tested
Case Dimensions: case dimensions and proportions are extremely close to a Moonwatch
Movement: Omega Caliber 3313, column-wheel, Co-Axial chronograph movement
Straps: Rubber B Crocodile SwimSkin strap, retails for over $300

Posted at

Dec 6, 2025, 3:34 PM

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Omega Speedmaster Moonphase — 2022 Full Set + Extras — $7,750 OBO

Omega - 304.30.44.52.01.001 · $7,750

This Omega Speedmaster Moonphase is a Co-Axial Master Chronometer with Ref: 304.30.44.52.01.001, dated 2022. It's available as a full set with OEM extras.

Condition: Very Good
Year: 2022
Case condition: honest clasp wear

Posted at

Dec 6, 2025, 12:38 PM

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Omega Speedmaster Professional Moonwatch White ref. 310.30.42.50.04.001

Omega - 310.30.42.50.04.001 · $7,450

This Omega Speedmaster Professional Moonwatch White features a manual wind 3861 caliber movement in a sapphire sandwich configuration, with a white lacquered dial inspired by vintage iterations.

Condition: Minimal signs of wear, super healthy on Timegrapher
Case size: 42mm diameter
Movement: Manual wind 3861 caliber movement
Crystal: Sapphire sandwich configuration with top crystal and exhibition caseback

Posted at

Dec 6, 2025, 10:50 AM

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