Omega Speedmaster Speedmaster Professional Moonwatch 3861 Sedna Gold - Ruby / Black - Ruby / Bracelet

Reference 310.55.42.50.51.001

Omega Speedmaster Professional Moonwatch 3861 Sedna Gold - Ruby / Black - Ruby / Bracelet

About this watch

The Omega Speedmaster Professional Moonwatch 3861 Sedna Gold is a stunning blend of luxury and functionality, with its Sedna gold construction and intricate chronograph features. The watch's sheer elegance is undeniable, with a black sunburst finish contrasting beautifully with gem-set indexes and ruby accents. Certified as a Master Chronometer by METAS, the Omega caliber 3861 movement is an engineering marvel, resistant to magnetic fields up to 15,000 gauss. With small seconds, hours, and minutes hands, the chronograph functionality offers precision timing. The watch's durability is also noteworthy, with sapphire glass adding scratch resistance. The Sedna gold bracelet ensures a secure fit, while its adjustability makes it comfortable for wearers of all wrist sizes. This timepiece is not just a luxury item but a conversation starter, status symbol, and piece of horological history.

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Key Features

Omega caliber 3861 movement with Co-Axial escapement and silicon balance spring
Sedna gold construction with gem-set indexes and ruby accents
50m water resistance with sapphire glass scratch resistance
Chronograph functionality with small seconds, hours, and minutes hands
Adjustable Sedna gold bracelet for secure fit on all wrist sizes

Specifications

Brand

Omega

Family

Speedmaster

Model

Speedmaster Professional Moonwatch 3861 Sedna Gold - Ruby / Black - Ruby / Bracelet

Reference

310.55.42.50.51.001

Movement

3861

Movement Features

Small Seconds, Hours, Minutes
Chronograph
Chronometer

Case

Sedna Gold 42mm

Dial Color

Black

Crystal

Sapphire

Water Resistance

Current Listings

Omega Speedmaster MK40 Schumacher Triple Date Chronogaph Day-Night( Serviced ) Price 3200$

Omega - 3520.53 · $3,200

The Omega Speedmaster MK40 Schumacher is a neo-classic Speedmaster model from the late 1990s/early 2000s, featuring a black dial with red accents and an automatic chronograph movement. It also includes a triple date and moon phase function, sapphire crystal, and original Omega bracelet.

Condition: Very good vintage condition
Case size: 39mm diameter
Movement: Cal. 1151 (based on Valjoux 7751)
Bracelet: Original Omega bracelet

Posted at

May 10, 2026, 12:16 PM

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Omega Speedmaster Mark III 176.002 Blue Dial Orange Chrono Hand Mens Watch $2600

Omega - III 176.002 · $2,600

This Omega Speedmaster Mark III features a blue dial and orange chronograph hand, housed in a stainless steel case measuring 41mm in diameter.

Condition: Preowned, with some wear and marks
Model: Speedmaster Mark III
Movement: Automatic
Case material: Stainless steel

Posted at

May 10, 2026, 11:44 AM

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Omega Speedmaster 3519.50.00 “Schumacher World Champion 2001” LE — Carbon Racing Dial — $2600 Shipped (Tariff Covered)

Omega - 3519.50.00 · $2,600

A Limited Edition Omega Speedmaster ref. 3519.50.00 “Schumacher World Champion 2001” featuring a carbon-style racing dial and bold lume plots, powered by an automatic chronograph movement.

Condition: Honest condition with light signs of use
Case size: 39mm
Lug-to-lug: 44mm
Thickness: 14mm

Posted at

May 10, 2026, 10:24 AM

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Omega Speedmaster 3539.50 Reduced Speedmaster Sapphire Automatic Cards + Box $3,500

Omega - 3539.50 · $3,500

This Omega Speedmaster Reduced Sapphire is an undated model with a reference number of 3539.50. It has been recently serviced and features good timegrapher numbers.

Condition: Excellent, recently polished
Bracelet size fits wrists: 19.5cm
Service history: Recently serviced by watchmaker

Posted at

May 10, 2026, 2:41 AM

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Omega Speedmaster Triple Date 3523.80 – Blue Dial – Automatic Triple Calendar Chronograph ( Serviced ) Price 2200$

Omega - 3523.80 · $2,200

The Omega Speedmaster Triple Date features a metallic blue dial, a three-day calendar layout, and a moon phase display, combining sporty style with elegant design.

Condition: Excellent vintage condition with minor signs of wear befitting its age
Case size: 39mm diameter
Movement: Omega Cal. 1151 Automatic Chronograph
Functions: Chronograph, Date, Month, Moon Phase

Posted at

May 10, 2026, 2:11 AM

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