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
50

Current Listings

[WTS] Omega Speedmaster.

Omega Speedmaster.

Omega - 324.30.38.50.01.001 路 $2,950
This Omega Speedmaster is a coaxial chronograph with a ref number of 324.30.38.50.01.001.

  • Condition: Recently serviced
  • Service history: recently serviced
Posted at
May 4, 2025, 3:31 PM
Active
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[WTS] Omega Speedmaster. X33. Titanium. $1100 only..

Omega Speedmaster. X33. Titanium. $1100 only..

Omega - X-33 路 $1,100
This Omega Speedmaster X-33 is a titanium digital watch. The seconds hand works fine.

  • Condition: Good, with stuck minute and hour hand
  • Material: Titanium
  • Shipping: from NJ USA
Posted at
May 4, 2025, 3:00 PM
Active
View listing on r/WatchExchange
[WTS] Meteorite Omega Speedmaster Grey Side Of The Moon 311.63.44.51.99.001 Box+Papers 2022 w/Warranty

Meteorite Omega Speedmaster Grey Side Of The Moon 311.63.44.51.99.001 Box+Papers 2022 w/Warranty

Omega - 311.63.44.51.99.001 路 $10,875
A Grey Side Of The Moon Omega Speedmaster featuring a meteorite dial in excellent condition.

  • Condition: Excellent (pre-owned, some signs of wear)
  • Case Size: 44mm
  • Movement: Automatic
  • Dial Material: Meteorite (Alien Rock)
Posted at
May 4, 2025, 2:36 PM
Active
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[WTS] Omega Speedmaster Moonwatch Blue Side of the Moon Full Set 304.93.44.52.03.001

Omega Speedmaster Moonwatch Blue Side of the Moon Full Set 304.93.44.52.03.001

Omega - 304.93.44.52.03.001 路 $8,495
This is a Omega Speedmaster Moonwatch - Blue Side of the Moon, a high-end timepiece in excellent condition, running well and not in need of service.

  • Condition: Excellent condition with no signs of wear
  • Year: 2020
  • Contents: Watch, Inner & Outer Box, International Warranty Card, Pictograms Card, Master Chronometer Card, Card Holder, Operating Instructions Manual
Posted at
May 4, 2025, 11:07 AM
Active
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[WTS] Omega Speedmaster 馃幇Casino Dial 馃幇, 3210.52.00, 40mm

Omega Speedmaster 馃幇Casino Dial 馃幇, 3210.52.00, 40mm

Omega - 3210.52.00 路 $2,525
Additional Details: Omega Speedmaster Casino Dial, 40mm case size, comes in great condition with minor wear on the bracelet.

  • Condition: preowned with minor wear mainly on the bracelet
  • Size: 40mm diameter
  • Warranty card included: yes
Posted at
May 4, 2025, 10:24 AM
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[WTS] Omega Speedmaster Moonphase Aventurine Dial 03/2025 Brand New - $10,650

Omega Speedmaster Moonphase Aventurine Dial 03/2025 Brand New - $10,650

Omega - 304.93.44.52.03.002 路 $10,650
The Omega Speedmaster Moonphase features an Aventurine Dial with a blue ceramic finish.

  • Condition: Brand New, In Box (BNIB)
  • Diameter: 44mm
Posted at
May 3, 2025, 9:43 PM
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[WTS] Omega Speedmaster Moonphase Aventurine Dial 03/2025 Brand New - $10,650

Omega Speedmaster Moonphase Aventurine Dial 03/2025 Brand New - $10,650

Omega - Moonphase 路 $10,650
This Omega Speedmaster features an Aventurine dial and comes with a certificate of authenticity.

  • Condition: Brand new
  • Diameter: 42mm
Posted at
May 3, 2025, 9:43 PM
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[WTS] Uncle Seiko US1479 Bracelet For Omega Speedmaster Professional (2 Clasps Included)

Uncle Seiko US1479 Bracelet For Omega Speedmaster Professional (2 Clasps Included)

Uncle Seiko - US1479 路 $140
A high-quality bracelet designed for Omega Speedmaster Professional watches, featuring a full bracelet, all links, and two clasps.

  • Condition: Like new
  • Includes: bracelet, links, pressure-based clasp, button-based clasp, Uncle Seiko bag, 2 x 20mm lugs
  • Shipping: CONUS only
Posted at
May 3, 2025, 5:40 PM
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[WTS] Omega Speedmaster. 38mm. Gorgeous lume. Ceramic bezel.

Omega Speedmaster. 38mm. Gorgeous lume. Ceramic bezel.

Omega - Speedmaster 路 $2,550
A 38mm Omega Speedmaster with a gorgeous lume and grey dial, featuring a ceramic bezel.

  • Case size: 38mm diameter
  • Band material: AM strap
Posted at
May 3, 2025, 4:34 PM
Active
View listing on r/WatchExchange