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 PROFESSIONAL SAPPHIRE SANDWICH 311.30.42.30.01.006

Omega - 311.30.42.30.01.006 · $4,850

A pre-owned Omega Speedmaster Professional Moonwatch 'Sapphire Sandwich' reference number 311.30.42.30.01.006, featuring a hand-winding mechanical movement with a power reserve of approximately 48 hours.

Condition: Pre-owned with minimal signs of wear
Movement: Omega Calibre 1863; Hand-winding mechanical movement with approximately 48 hours power reserve
Case: 42mm steel case with Black PVD Ring showing Tachymeter Markings
Crystal: Domed, scratch-resistant sapphire crystal with anti-reflective treatment inside

Posted at

Dec 29, 2025, 6:06 PM

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Omega Speedmaster Reduced - 39mm Two Tone - Ref 175.0033

Omega - 175.0033 · $2,895

A beautiful Omega Speedmaster Reduced with a white dial, this watch is running well with all functions working as they should.

Condition: great vintage condition
Case size: 39mm
Bezel and case wear: light hairlines
Strap type: high quality leather AM strap from Casanova

Posted at

Dec 29, 2025, 5:06 PM

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OMEGA SPEEDMASTER 1957 Trilogy 311.10.39.30.01.001 Full Set

OMEGA - 311.10.39.30.01.001 · $5,900

A 2017 Omega Speedmaster 1957 Trilogy issued in near-mint condition, comes with three bands.

Condition: Near-mint
Year: 2017
Bands: 3
Material: leather,NATO,stainless steel

Posted at

Dec 29, 2025, 2:58 PM

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Omega Speedmaster Moonphase Blue Dial 44.25mm Full Set

Omega - 44.25 mm Speedmaster Moonphase · $7,494

This Omega Speedmaster features a blue dial and the moonphase complication at 6 o'clock, powered by Omega's Co-Axial Master Chronometer movement.

Condition: very good condition
Movement: Co-Axial Master Chronometer
Case Size: 44.25mm

Posted at

Dec 29, 2025, 1:36 PM

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Omega Speedmaster “First Omega In Space” Numbered Edition - Near Mint Condition

Omega - 311.32.40.30.01.001 · $4,450

This Omega Speedmaster Anniversary Series is a discontinued 'First Omega in Space' Numbered Edition, inspired by the watch worn by astronaut Wally Shirra during the 'Sigma 7' mission in 1962.

Condition: Near mint (9.5/10)
Case diameter: 39.7mm
Thickness: 14mm
Crystal type: scratch-resistant sapphire crystal with AR coating

Posted at

Dec 29, 2025, 12:20 PM

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Omega Speedmaster 3523.80.00 - $1800

A used Omega Speedmaster 3523.80.00 in very good condition, kept time well but requires service.

Posted at

Dec 29, 2025, 12:15 PM

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Omega Speedmaster Date 40mm 323.30.40.40.06.001 $2200

Omega - 323.30.40.40.06.001 · $2,200

Selling my Omega Speedmaster 40mm, a watch only with bracelet fitting 18.5cm.

Condition: Good
Case size: 40mm diameter
Bracelet length: 18.5cm

Posted at

Dec 29, 2025, 10:36 AM

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[US] Omega Speedmaster Broad Arrow - White Dial - 42mm - 3551.20.00 - Full Set

Omega - 3551.20.00 · $4,175

Up for sale is an Omega Speedmaster Broad Arrow - White Dial - 42mm - Full Set, which functions perfectly mechanically.

Condition: Fantastic condition with minor hairlines
Case Size: 42mm
Box And Papers: true

Posted at

Dec 29, 2025, 7:27 AM

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

Omega - 145.022-69 · $15,150

This rare Omega Speedmaster Moonwatch features a period-correct super tropical brown dial, a deep blue bezel, and a professionally serviced movement. The watch has aged attractively and presents even better in person than in photos.

Condition: Beautiful condition with thick, sharp lugs and heavy patina on the dial
Size: 42mm
Year: 1969
Material: Tropical dial with heavy yellow patina and tritium that glows green under UV light

Posted at

Dec 29, 2025, 1:40 AM

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