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

Omega Speedmaster 1957 Limited Edition 40mm

Omega - 323.30.40.40.01.001 · $3,999

This Omega Speedmaster is a limited edition model from 2009, featuring a black dial with grey sub-dial detailing and a black bezel.

Condition: Excellent
Case Size: 40mm
Movement: Calibre 3304 mechanical automatic chronograph
Bracelet Width: supplied with original Omega stainless steel bracelet strap

Posted at

Jan 23, 2026, 4:39 PM

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12/2025 Omega Speedmaster Moonwatch Professional Sapphire 310.30.42.50.01.002 – Full Set + Extras – Excellent Condition – $6,900 Shipped

Omega - 310.30.42.50.01.002 · $6,900

This Omega Speedmaster Moonwatch Professional Sapphire features a sapphire crystal, Master Chronometer caliber 3861 movement and classic design.

Condition: Excellent (light hairlines on caseback only)
Case size: 42mm
Movement: Manual-wind chronograph (Omega Caliber 3861)
Crystal material: Sapphire

Posted at

Jan 23, 2026, 3:22 PM

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2025 Omega Speedmaster Moonwatch Professional 310.30.42.50.04.001 – Full Set – Like New – $7,650 Shipped

Omega - 310.30.42.50.04.001 · $7,650

A modern Omega Speedmaster Moonwatch Professional featuring a white lacquer dial and powered by the Master Chronometer caliber 3861, delivering exceptional accuracy and anti-magnetism.

Condition: Like new
Case Size: 42mm
Movement: Manual-wind chronograph (Omega Caliber 3861)
Water Resistance: 50m

Posted at

Jan 23, 2026, 2:59 PM

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Omega "Silver Snoopy" Speedmaster 2025

Omega - 310.32.42.50.02.001 · $15,499

This is a commemorative edition of the Omega Speedmaster Silver Snoopy Award, presented in brand new condition to honor Omega's role in the safe return of Apollo 13.

Condition: Brand new, unworn
Case size: 42 mm
Material: stainless steel
Movement: Omega Co-Axial Master Chronometer Calibre 3861

Posted at

Jan 23, 2026, 2:03 PM

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Omega Speedmaster “Ed White” Cal. 321 Tropical Dial Heavy Patina (Serviced)

Omega - 105.003-65 · $9,850

This Omega Speedmaster Ed White Ref. 105.003-65 is a highly collectible variant with a stunning brown tropical dial, developed rich patina over time, and matching tritium hands that respond under UV light.

Condition: Very good condition, with signs of a previous polish
Size: 39mm
Year: 1965
Movement serviced: yes

Posted at

Jan 23, 2026, 12:45 PM

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NEW 2026 Omega Speedmaster Moonwatch Pro 42mm 310.30.42.50.01.002 Black Dial - $7,500

Omega - 310.30.42.50.01.002 · $7,500

A brand new, unworn Omega Speedmaster Moonwatch Professional in stainless steel with a black dial.

Condition: Brand new/unworn
Material: Stainless Steel
Size (diameter): 42mm
Case size (with links): 8.25in

Posted at

Jan 23, 2026, 11:20 AM

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Omega Speedmaster Moonwatch Professional 42mm White Dial 310.30.42.50.04.001 Complete

Omega - 310.30.42.50.04.001 · $7,650

This Omega Speedmaster Moonwatch Professional features a 42mm white dial.

Condition: In very good condition, rated at 9.7/10
Box And Papers: true
Links: removed links included
Warranty: dated 2024

Posted at

Jan 23, 2026, 10:09 AM

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Omega Speedmaster 38 Co-Axial Chronograph Grey Dial 324.32.38.50.06.001

Omega - 324.32.38.50.06.001 · $4,550

Omega Speedmaster 38 Co-Axial Chronograph with a grey dial for sale.

Condition: In very good condition, rated at 9.8/10
Included Items: inner & outer Omega boxes, manual, microfibre cloth, hang tag, caseback sticker, pictogram card, and warranty card
Trades Welcome: true

Posted at

Jan 23, 2026, 9:59 AM

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Omega Speedmaster Blue Side of the Moon Aventurine Moonphase - Full Set + Aaron Bespoke Strap, Mint!

Omega - 304.93.44.52.03.002 · $10,500

This Omega Speedmaster Blue Side of the Moon Aventurine Moonphase features a blue ceramic case, aventurine dial, rose gold hands and indices, tachymeter scale, moonphase display, and an Omega 9904 caliber with METAS certification.

Condition: Mint
Case size: 44.25mm
Lug to lug: just under 50mm
Strap material: python leather

Posted at

Jan 22, 2026, 6:57 PM

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