Omega Speedmaster Speedmaster Professional Moonwatch 3861 Canopus Gold - Rainbow / Silver - Rainbow / Bracelet

Reference 310.55.42.50.52.002

Omega Speedmaster Professional Moonwatch 3861 Canopus Gold - Rainbow / Silver - Rainbow / Bracelet

About this watch

The Omega Speedmaster Professional Moonwatch 310.55.42.50.52.002 is a legendary timepiece that combines stunning aesthetics with advanced horological technology. This manual-winding chronograph movement boasts exceptional precision and reliability, featuring a co-axial escapement and silicon balance spring. The watch's luxurious materials, including Canopus gold and gem-set bezel, add a sophisticated touch. With its water resistance of 50 meters, this watch is perfect for everyday adventures. The Speedmaster series is Omega's flagship line, known for its association with space exploration, making it a worthy investment for collectors and enthusiasts.

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Key Features

Omega caliber 3861 movement
Canopus gold case and bezel
Gem-set indexes and rainbow accents
Chronograph function with co-axial escapement
Silicon balance spring for exceptional reliability
Water resistance of 50 meters

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch 3861 Canopus Gold - Rainbow / Silver - Rainbow / Bracelet

Reference

310.55.42.50.52.002

Movement

3861

Movement Features

Small Seconds, Hours, Minutes
Chronograph
Chronometer

Case

White Gold 42mm

Dial Color

Silver

Crystal

Sapphire

Water Resistance

Current Listings

[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.

Condition: pristine condition with minor hairlines

Posted at

Mar 20, 2026, 8:08 AM

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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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2025 Omega Speedmaster Calibre 321 "Ed White" - 311.30.40.30.01.001 - $15,100 shipped

Omega - 311.30.40.30.01.001 · $15,100

This is a 2025 Omega Speedmaster Calibre 321 “Ed White” in excellent condition, featuring the iconic manual-wind chronograph movement and coming with its original box, papers, and accessories.

Condition: Very Excellent pre-owned condition
Case size: 39.7mm diameter
Case material: Stainless steel
Movement: Omega Caliber 321 (manual-wind chronograph)

Posted at

Mar 19, 2026, 11:00 PM

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