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

2009 Omega Speedmaster Alaska Project - 311.32.42.30.04.001- 42mm - Near Full Set [US]

Omega - 311.32.42.30.04.001 · $16,750

A nearly complete set of the 2009 Omega Speedmaster Alaska Project, a 42mm watch that functions perfectly mechanically.

Condition: Excellent condition with hairlines at most
Size: 42mm diameter
Set completeness: nearly full set

Posted at

Jun 19, 2025, 11:03 PM

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Omega Speedmaster Moonphase Moonwatch Moonwatch Blue 44mm 304.33.44.52.03.001 Leather

Omega - 304.33.44.52.03.001 · $6,999.007

A 44mm stainless steel Omega Speedmaster Professional Moonwatch with a blue dial, sapphire crystal, and automatic self-winding movement. It features a chronograph, date indicator, and moonphase function.

Condition: Very good condition with signs of wear as pictured
Case Diameter: 44.25mm
Band Material: Dark Blue Leather Strap
Crystal Type: Sapphire

Posted at

Jun 19, 2025, 7:10 PM

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Omega Speedmaster Date 3210.50.00

Omega - 3210.50.00 · $2,500.003

A pre-owned Omega Speedmaster Date with a date display, chronograph functions, and a stainless steel bracelet.

Condition: Excellent condition
Bracelet size: 7.5" wrist
Links removable: 7

Posted at

Jun 19, 2025, 7:06 PM

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Omega Speedmaster Date 3210.50.00

Omega - 3210.50.00 · $2,500

A Omega Speedmaster Date in good working order with a 7.5 inch wrist size and a removable bracelet.

Condition: Excellent
Bracelet length adjustment: 7 removable links
Wrist size compatibility: up to 7.5"
Features verified via video conference: true

Posted at

Jun 19, 2025, 6:33 PM

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1997 Omega Speedmaster 'Gemini V' LE of 150 PCS (Ref. 345.0022)

Omega - 345.0022 · $7,999

The watch commemorates the Gemini V mission, featuring the NASA mission patch in the 9 o'clock sub-dial and is part of a limited release of 150 models. The case is 42mm and features an Omega 1499 bracelet with 842 end pieces.

Condition: Excellent/like new
Case size: 42mm
Bracelet type: Omega 1499 with 842 end pieces
Box and papers included: Original inner/outer boxes and booklets

Posted at

Jun 19, 2025, 6:32 PM

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Omega Speedmaster Reduced Date Annual Calendar Chronograph Silver Dial (Papers/Mint)

Omega - 3521.30.00 · $2,300

The Omega Speedmaster Reduced Triple Calendar features a compact stainless steel case, silver dial, and automatic movement with chronograph, day, date, and month functions.

Condition: mint, minimal signs of wear
Case size: 39mm diameter
Bracelet size: fits wrists up to 7.5” (19.5 cm)
Movement: automatic

Posted at

Jun 19, 2025, 2:22 PM

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Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 Complete Set 2021

Omega - 311.92.44.30.01.001 · $8,395

This Omega Speedmaster Moonwatch - Dark Side of the Moon - Apollo 8 is a 2021 model featuring a unique design.

Condition: Very Good
Year: 2021
Warranty: Factory warranty
Contents: Watch, Inner & Outer Box, International Warranty Card, Pictograms Card, Operating Instructions Manual, Omega Watch Cloth

Posted at

Jun 19, 2025, 1:58 PM

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