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 '57 40.5mm Blue Dial 332.10.41.51.03.001 Complete Set 2023

OMEGA - 332.10.41.51.03.001 · $7,200

The OMEGA Speedmaster '57 features a stainless steel case and a blue dial, inspired by the 1957 original. It is a modern take on a classic design.

Condition: Excellent condition with little to no signs of wear.
Year Of Production: 2023
Case Size: 40.5mm
Set Contents: inner box,outer box,warranty card,pictogram,master chronometer,card sleeve,instruction booklet,hang tag

Posted at

Apr 28, 2025, 11:03 AM

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(Omega Speedmaster Professional Moonwatch)

Omega - 31133423001001 · $4,200

This Omega Speedmaster Professional Moonwatch is a beautifully maintained watch with near perfect condition.

Condition: near perfect
Buckle type: OEM deployant

Posted at

Apr 28, 2025, 10:54 AM

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Omega Speedmaster Silver Snoopy Award 50th - 31032425002001 UNWORN

Omega - 31032425002001 · $13,999.001

This Omega Speedmaster 'Silver Snoopy Award' 50th Anniversary watch was originally purchased in December 2022 and remains in its original packaging with outer/inner boxes, warranty booklet, etc. It's an iconic watch reportedly at the end of its production run, with a potential price increase expected soon.

Condition: UNWORN, as-new condition
Box set included: true
Outer/inner omega boxes included: true
Warranty booklet included: true

Posted at

Apr 28, 2025, 9:36 AM

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Omega Speedmaster Blue Side of The Moon Aventurine Dial

Omega - 304.93.44.52.03.002 · $10,850

The Omega Speedmaster Blue Side of The Moon features an Aventurine glass dial, blue ceramic case, and Calibre 9904 movement with a 60 hour reserve. It is a stunning timepiece with a lot of complication.

Condition: Excellent with very faint wear on the strap
Case material: blue ceramic
Diameter: 44mm
Movement: Calibre 9904

Posted at

Apr 28, 2025, 9:20 AM

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Omega Speedmaster Sapphire Sandwich Full kit

Omega - Sapphire Sandwich Full kit · $4,600

2017 Omega Speedmaster Sapphire Sandwich. Keeps exceptional time and runs without issues.

Condition: Used but great condition
Year: 2017
Location: Located in Canada (shipped from US to avoid tariffs)
Shipping Methods: CONTUS or Canada PP FF or Wire

Posted at

Apr 28, 2025, 7:27 AM

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Omega Speedmaster Triple Date MK40 3513.50 39mm

Omega - 3513.50 · $2,300

The Omega Speedmaster MK40 3513.53 is a testament to timeless luxury and precision, featuring triple calendar functionality, chronograph features, date indicator, and tachymeter bezel.

Condition: great condition
Size: 39mm diameter
Weight: not provided
Case material: stainless steel

Posted at

Apr 28, 2025, 12:33 AM

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Brand New Omega Speedmaster Moonwatch Professional White Dial Reference 310.30.42.50.04.001 $7,800

Omega - 310.30.42.50.04.001 · $7,800

This Omega Speedmaster Moonwatch Professional features a beautiful white dial, comes with the full kit and warranty card, and is still under sticker.

Condition: Brand new and unworn
Location: Charleston, SC
Shipping: FedEx Overnight Shipping

Posted at

Apr 27, 2025, 7:03 PM

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01/2025 Omega Speedmaster Sapphire Complete Set * $6,250 + label*

Omega - 310.30.42.50.01.002 · $6,250

This is a 2025 Speedmaster Sapphire sandwich Complete Set with micro-adjust clasp, including all cards and hang tag, travel case, literature, and cleaning cloth.

Condition: Great condition, no issues
Year: 1/2025
Case contents: All cards and hang tag, travel case, Speedmaster literature, cleaning cloth

Posted at

Apr 27, 2025, 6:59 PM

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Omega Speedmaster Moonwatch Professional Hesalite, 310.32.42.50.01.001

Omega - 310.32.42.50.01.001 · $4,400

This Omega Speedmaster Moonwatch Professional Hesalite is in excellent condition with minimal signs of wear and comes with a canvas strap, full set including warranty.

Condition: excellent with minimal signs of wear
Water Resistance: 30m
Crystal Type: Hesalite
Movement: Cal 3861

Posted at

Apr 27, 2025, 5:41 PM

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