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 Date 3210.50.00

Omega - 3210.50.00 · $2,100

This Omega Speedmaster Date is in excellent condition, featuring a chronograph function and a bracelet with 7 removable links.

Condition: Excellent condition
Bracelet length: 7.5"
Links: 7
Shipping: shipped and insured within the U.S.

Posted at

Mar 21, 2026, 9:41 AM

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20mm Black Omega Speedmaster Rubber Strap and Deployant Clasp

Omega - Speedmaster · $499

Up for sale is this extremely comfortable Omega Strap and Clasp, **Like New**, with a moon surface texture on the underside.

Condition: Excellent
Size: Medium / Standard
Strap width: 20mm

Posted at

Mar 21, 2026, 12:36 AM

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Omega Speedmaster Professional “Reverse Panda” 42MM - 310.30.42.50.01.004 (NEW / UNWORN 2026 COMPLETE SET)

Omega - 310.30.42.50.01.004 · $10,500

A 42MM Omega Speedmaster Professional 'Reverse Panda' with all original packaging and accessories, in pristine condition.

Condition: New / Unworn
Size: 42mm diameter
Included accessories: outer sleeve, outer box, inner box, all cards, x2 manuals, AD shipping coffin, serialized hangtag, UPC Sticker, microfiber, travel case

Posted at

Mar 20, 2026, 10:10 PM

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2025 Omega Speedmaster Professional “Sapphire Sandwich” Ref. 310.30.42.50.01.002 | Full Set | Warranty to 2030 | + OEM Sailcloth

Omega - 310.30.42.50.01.002 · $7,050

The Omega Speedmaster Professional 'Sapphire Sandwich' is a 2025 model, featuring a stainless steel case with sapphire front and caseback.

Condition: Excellent
Calibre: 3861 Co-Axial Master Chronometer
Case Size: 42mm diameter
Material: stainless steel

Posted at

Mar 20, 2026, 7:21 PM

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Omega Speedmaster Professional “Chocolate Dial” 42mm Ref. 311.30.42.30.13.001 Sapphire Sandwich, Full Set, Excellent Condition

Omega - 311.30.42.30.13.001 · $6,695

This Omega Speedmaster Professional features a unique chocolate dial and sapphire crystal, showcasing the beautifully finished Caliber 1863 movement.

Condition: Excellent pre-owned
Case size: 42mm
Case material: Stainless Steel
Dial color: Brown 'Chocolate' Dial (tropical-inspired)

Posted at

Mar 20, 2026, 7:01 PM

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Omega Speedmaster Racing 329.30.44.51.04.001 COMPLETE SET 2024

Omega - 329.30.44.51.04.001 · $5,950

This Omega Speedmaster Racing features a white dial and comes with the complete set including double boxed, all the cards, warranty card dated 2024, and manual.

Condition: Excellent
Payment Methods: crypto, credit/debit card, other methods (excluding PayPal)
Trading Brands: Tudor, Cartier, Rolex, Omega, Breitling, AP
Shipping: shipped

Posted at

Mar 20, 2026, 4:15 PM

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[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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