Omega Speedmaster Speedmaster Professional Moonwatch 3861 Canopus Gold - Baguette / Silver - Diamond / Bracelet

Reference 310.55.42.50.52.004

Omega Speedmaster Professional Moonwatch 3861 Canopus Gold - Baguette / Silver - Diamond / Bracelet

About this watch

The Omega Speedmaster Professional Moonwatch 310.55.42.50.52.004 is a masterpiece of luxury watchmaking, marrying cutting-edge technology with exquisite craftsmanship. This modern iteration of the iconic 'Moonwatch' pays homage to its rich history while incorporating contemporary advancements. The Canopus Gold case features a sunburst finish and gem-set bezel, radiating elegance and opulence. The manual-winding chronograph movement boasts 50 hours of power reserve and resistance to magnetic fields up to 15,000 gauss. With its robust features, stunning design, and historical significance, this timepiece is a worthy investment for serious collectors and space enthusiasts. Its impeccable performance and timeless appeal make it a statement piece that will remain a favorite for years to come.

Buy Now on Jomashop

This is an affiliate link

Key Features

Manual-winding chronograph movement
Canopus Gold case with sunburst finish and gem-set bezel
Master Chronometer certification by METAS
Resistance to magnetic fields up to 15,000 gauss
50 hours of power reserve
Co-Axial escapement and Silicon balance spring

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch 3861 Canopus Gold - Baguette / Silver - Diamond / Bracelet

Reference

310.55.42.50.52.004

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 Professional 3861 Hesalite “Sandwich” – Full AD Kit – 6/24 (spiralwinder caseback) Extras!

Omega - 3861 · $5,995

This Omega Speedmaster Professional Moonwatch is a Hesalite 'sandwich' model with a sapphire display caseback and an original Hesalite caseback included. It features a Cal. 3861 Master Chronometer movement and comes with a full Authorized Dealer kit.

Condition: Daily worn, normal wear/use consistent with daily rotation, never polished
Movement: Cal. 3861 (Master Chronometer)
Bracelet type: Current bracelet with tool-less sliding clasp adjustment
Crystal material: Hesalite, Sapphire

Posted at

Jan 3, 2026, 10:52 AM

Active

View listing on r/WatchExchange

Omega Speedmaster « Broad Arrow » 3594.50

Omega - 3594.50 · $3,600

This Omega Speedmaster Broad Arrow is a highly collectible and historically inspired watch with iconic Broad Arrow hands. It has recently been serviced by a professional watchmaker in France and comes with a 1-year service warranty.

Condition: Excellent overall condition
Service: Recently serviced by a professional watchmaker in France
Warranty: 1-year service warranty from the professional who performed the revision
Bracelet: Original Omega bracelet included

Posted at

Jan 3, 2026, 10:20 AM

Active

View listing on r/WatchExchange

OMEGA Speedmaster "Dark Side of the Moon" Apollo 8 Ref. 311.92.44.30.01.001 + Apollo 8 Gen2 Strap + Deployant Clasp - ULTIMATE SET!

OMEGA - 311.92.44.30.01.001 · $10,000

The OMEGA Speedmaster 'Dark Side of the Moon' Apollo 8 commemorates the 50th anniversary of the Apollo 8 mission, crafted from a single block of black ceramic with a sleek modern aesthetic and a technical artistic tribute to space exploration.

Condition: [UNWORN]
Case material: black ceramic
Diameter: 44.25mm
Movement: Calibre 1869

Posted at

Jan 3, 2026, 6:21 AM

Active

View listing on r/WatchExchange

OMEGA Speedmaster Calibre 321 "Ed White" Ref. 311.30.40.30.01.001 - ULTIMATE SET!

OMEGA - 311.30.40.30.01.001 · $18,000

This OMEGA Speedmaster Calibre 321 Ref. 311.30.40.30.01.001 is a faithful recreation of the reference 105.003, famously worn by astronaut Ed White during America's first spacewalk.

Condition: UNWORN
Material: stainless steel
Movement: Calibre 321 column-wheel chronograph
Caseback: sapphire

Posted at

Jan 3, 2026, 3:15 AM

Active

View listing on r/WatchExchange

Omega Speedmaster Professional White Dial Full Set

Omega - 310.30.42.50.04.001 · $7,500

A Omega Speedmaster Professional with a white dial, sold on a flat link bracelet inspired by the original 1957 model.

Bracelet style: flat link bracelet
Bracelet origin: Omega Boutique at South Coast Plaza in Costa Mesa, CA
Clasp condition: some snail trails

Posted at

Jan 2, 2026, 2:12 PM

Active

View listing on r/WatchExchange

Omega Speedmaster Moonphase Blue - 304.33.44.52.03.001 - Box + Papers

Omega - 304.33.44.52.03.001 · $7,495

Gorgeous Omega Speedmaster Moonphase Blue, comes with box and papers and extra strap.

Condition: great shape with minor signs of wear
Case Wear: minor
Includes: box,papers,extra strap

Posted at

Jan 2, 2026, 1:40 PM

Active

View listing on r/WatchExchange

Omega Speedmaster 3520.53 Box, Manual, Card - $2,850

Omega - 3520.53 · $2,850

Up for sale is my Omega Speedmaster 3520.53 Full Kit, measuring 39mm with an automatic movement and a steel case on an original Omega Steel bracelet.

Condition: good condition with usage marks and some patina
Size: 39mm diameter
Case material: steel
Bracelet size range: fits up to 7 inch wrists with extra links available

Posted at

Jan 1, 2026, 8:33 PM

Active

View listing on r/WatchExchange

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

Omega - 105.003-65 · $10,995

This Omega Speedmaster Ed White Ref. 105.003-65 is a historic variant with a stunning brown tropical dial and matching tritium hands. It's one of the most collectible Speedmasters among enthusiasts due to its unique features and significance in Omega's history.

Condition: Very good condition, with signs of previous polish
Size: 39mm diameter
Year: 1965
Movement serviced: Yes, professionally serviced in July 2023

Posted at

Jan 1, 2026, 7:41 PM

Active

View listing on r/WatchExchange