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.

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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 Racing 40mm Blue Dial – Full Set – $2,950

Omega - 326.30.40.50.03.001 · $2,950

Up for sale is my Omega Speedmaster Racing with the blue dial and black textured sub-dials, featuring a 40mm automatic chronograph powered by the Omega Co-Axial Caliber 3330.

Condition: Very good pre-owned condition
Case size: 40mm diameter
Strap: Aftermarket strap and original Omega stainless steel bracelet included

Posted at

Mar 13, 2026, 3:44 PM

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Omega Speedmaster Racing 329.30.44.51.04.001 COMPLETE SET 2024

Omega - 329.30.44.51.04.001 · $6,250

This Omega Speedmaster Racing features a white dial and comes in its complete set, including double boxed packaging and all relevant documentation.

Condition: Excellent
Payment Methods Accepted: cryptocurrency, local meetups, other methods
Trades Allowed: yes, only for brands: Tudor, Cartier, Rolex, Omega, Breitling, AP
Location: southwest FL

Posted at

Mar 13, 2026, 2:18 PM

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Omega Speedmaster Reduced 3510.50 Excellent Condition + Serialized Hand Tag

Omega - 3510.50 · $2,650

This Omega Speedmaster Reduced is in excellent condition with hardly any signs of wear for its age, and it comes with a serialized hand tag.

Condition: Excellent
Serial number included: yes, with serialized hand tag
Payment methods accepted: cash, crypto (with fee), other payment methods
Trade options: Tudor, Cartier, Rolex, Omega, Breitling, AP

Posted at

Mar 13, 2026, 2:13 PM

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Omega Speedmaster Professional Moonwatch Full Steel Yellow Patina 1978 (Serviced)

Omega - 145.022-78 · $5,050

This Omega Speedmaster Professional Moonwatch is a well-preserved and reliable example of the Speedmaster Moonwatch from 1978. It features an original black tritium dial with even yellow patina across all hour markers, adding warmth and character to the watch.

Condition: Very good overall shape, all-original condition
Case diameter: 42mm
Year of production: 1978
Bracelet size: 7.6–7.7 inches (19.7 cm)

Posted at

Mar 13, 2026, 1:02 PM

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Omega Speedmaster Reduced 3510.82 " Blue " JDM LE - $4199 - DHL

Omega - 3510.82 · $499

This Omega Speedmaster Reduced Limited Edition is a beautiful example of the Japanese market's exclusive 'Blue' dial, produced in 2003 and limited to 1,500 pieces.

Condition: Good (9/10)
Limited edition size: 1,500 pieces
Case size: 39mm diameter
Condition rating: 9/10

Posted at

Mar 13, 2026, 11:43 AM

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OMEGA Speedmaster Date 40mm 18k Bezel Full Kit

Omega - 323.21.40.40.02.001 · $3,500

Up for sale is a Omega Speedmaster Date 40mm Steel/Yellow Gold Ref. 323.21.40.40.02.001, a full kit.

Case size: 40mm diameter
Material: Steel and Yellow Gold

Posted at

Mar 13, 2026, 10:36 AM

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Omega Speedmaster Date 3513.50 $1,800

Omega - 3513.50 · $1,800

This Omega Speedmaster Date features a deep sunburst textured black dial with a classic polished bezel, powered by the Omega 1152, Valjoux 7750 date automatic chronograph.

Condition: Good
Case size: 39mm diameter
Wrist size limit: 7.3-inch wrist

Posted at

Mar 13, 2026, 10:00 AM

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2022 Omega Speedmaster Moonwatch Sapphire 42mm 310.30.42.50.01.002 Mint Complete

Omega - 310.30.42.50.01.002 · $6,195

This 2022 Omega Speedmaster Moonwatch Sapphire 42mm is a first watch worn on the moon, featuring photos and a video on the seller's website.

Condition: Minty fresh
Case size: 42mm
Year: 2022
Contents: watch,inner & outer boxes,warranty card,pictogram,master chronometer,instruction booklet,black travel case,hang tag,cleaning cloth,Moonwatch Booklet

Posted at

Apr 7, 2025, 2:59 PM

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Omega Speedmaster Chronograph - Blue - Stainless Steel - 38mm - Mint

Omega - 324.30.38.50.03.002 · $3,695

This Omega Speedmaster Chronograph features a 38mm stainless steel case, blue dial, and automatic movement.

Condition: Pre-Owned - Mint
Case size: 38mm diameter
Bracelet type: Stainless Steel
Dial color: Blue

Posted at

Apr 5, 2025, 6:13 PM

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