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

Reference 310.60.42.50.01.001

About this watch

The Omega Speedmaster Professional Moonwatch 3861 Sedna Gold is a legendary timepiece that combines heritage, craftsmanship, and functionality in a way that few can match. Its stunning aesthetics, featuring a unique blend of black and gold, create a luxurious yet sporty vibe that can transition seamlessly from casual to formal settings. The watch strikes a balance between boldness and wearability, with a 42mm diameter and 13.18mm height that ensures it will never go out of style. Inside this beauty lies the Omega caliber 3861, an updated version of earlier calibers featuring a co-axial escapement and silicon balance spring. Certified by METAS, this watch is not just accurate but highly resistant to magnetic fields reaching up to 15,000 gauss. With a manual-winding chronograph movement and power reserve of 50 hours, you'll have the pleasure of winding it yourself while enjoying precise timekeeping. The black sunburst finish dial is mesmerizing, providing a backdrop for stick hands that lend a sleek, modern look while ensuring legibility at a glance. One of the standout features of the Speedmaster is its durability, with scratch-resistant sapphire glass and a water resistance rating of 50 meters. The open case back allows you to admire the intricate workings of the Omega caliber 3861, making it a treat for watch lovers.
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MSRP: $42,600
Market Price: $23,979

Key Features

  • Omega caliber 3861 movement
  • Sedna Gold case
  • Black sunburst finish dial
  • Scratch-resistant sapphire glass
  • 50m water resistance
  • Manual-winding chronograph movement
  • Co-axial escapement and silicon balance spring

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Bracelet
Reference
310.60.42.50.01.001
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] 2007 Omega Speedmaster Date 3210.50 - $2,299

2007 Omega Speedmaster Date 3210.50 - $2,299

Omega - 3210.50 · $2,299
An Omega Speedmaster Date Chronograph ref. 3210.50 from 2007 in good overall condition, featuring a black dial and stainless steel bracelet.

  • Condition: Good overall condition, signs of wear
  • Case size: 40mm diameter
  • Serial number: 81.6M (circa 2007)
  • Dial color: Black
Posted at
Jan 25, 2026, 7:16 PM
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[WTS] Omega Speedmaster Professional Snoopy 50th Anniversary Ref: 310.32.42.50.02.001 BNIB

Omega Speedmaster Professional Snoopy 50th Anniversary Ref: 310.32.42.50.02.001 BNIB

Omega - 310.32.42.50.02.001 · $12,700
This Omega Speedmaster Snoopy 50th Anniversary watch is a brand new, unworn model with a complete package and extra travel box.

  • Condition: Brand new, never worn (BNIB)
  • Case Size: 40mm diameter
  • Water Resistance: unknown
  • Warranty: valid until end of 2025
Posted at
Jan 25, 2026, 6:07 PM
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[WTS] Omega Speedmaster sapphire Sandwich 2021, comes as full set (-2 links) $5,999 shipped

Omega Speedmaster sapphire Sandwich 2021, comes as full set (-2 links) $5,999 shipped

Up for sale is a Omega Speedmaster sapphire sandwich from 2021, comes as full set with original inner/outer box and papers.

  • Condition: Excellent
  • Year: 2021
  • Case Size: 42mm
  • Material: Stainless Steel
Posted at
Jan 25, 2026, 3:52 PM
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[WTS] Omega Speedmaster "First Omega in Space" (FOIS) 2024 ed. w/ Box & Papers

Omega Speedmaster "First Omega in Space" (FOIS) 2024 ed. w/ Box & Papers

This Omega Speedmaster "First Omega in Space" (FOIS) is the 2024 edition, featuring a ref. 310.30.40.50.06.001 model number.

  • Condition: very good
  • Year purchased: 2025
  • Box and papers included: true
Posted at
Jan 25, 2026, 2:48 PM
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[WTS] Omega Speedmaster Professional Full Kit w Extras!

Omega Speedmaster Professional Full Kit w Extras!

Omega - 3861 Hesalite · $5,500
This Omega Speedmaster Professional Moonwatch features a Cal. 3861 Master Chronometer movement and comes with upgrades such as a sapphire display caseback, making it a true Hesalite sandwich.

  • Condition: Pre-owned with normal wear/use consistent with daily rotation
  • Caliber: Cal. 3861 (Master Chronometer)
  • Bracelet adjustment type: tool-less sliding clasp
  • Caseback material front: Hesalite
Posted at
Jan 25, 2026, 1:30 PM
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[WTS] Omega "Michael Schumacher" Speedmaster Limited to only 5555.

Omega "Michael Schumacher" Speedmaster Limited to only 5555.

Omega - 3529.50.00 · $2,200
This limited edition Omega Speedmaster 'Michael Schumacher' chronograph features a stainless steel case, black racing dial, day/date display, tachymetre bezel, and is powered by an automatic movement. Produced in 2003, it measures 39mm in size.

  • Condition: neat and clean with some marks on the bezel
  • Case size: 39mm diameter
  • Bracelet size limit: 7.5 inch wrist
  • Water resistance: unknown
Posted at
Jan 25, 2026, 8:23 AM
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[WTS] 2025 Omega Speedmaster Racing 44mm - 329.32.44.51.01.001 - Clean!

2025 Omega Speedmaster Racing 44mm - 329.32.44.51.01.001 - Clean!

This Omega Speedmaster Racing Co-Axial Master Chronometer Chronograph combines the heritage of the Speedmaster line with bold orange racing accents and the modern Caliber 9900 Master Chronometer movement. It features a factory black micro-perforated leather racing strap with orange rubber lining and an Omega folding deployant clasp.

  • Condition: barely worn, preowned
  • Movement: Caliber 9900 Co-Axial Master Chronometer
  • Power reserve: approximately 60 hours
  • Strap: factory black micro-perforated leather with orange rubber lining and Omega folding deployant clasp
Posted at
Jan 24, 2026, 9:51 PM
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[WTS] 📣🚨OMEGA Speedmaster "FOIS" 311.32.40.30.01.001 EXCELLENT CONDITION! **$4500**🚨📣

📣🚨OMEGA Speedmaster "FOIS" 311.32.40.30.01.001 EXCELLENT CONDITION! **$4500**🚨📣

This Omega Speedmaster 'First Omega in Space' is a manual wind watch with a 39.7mm case size and Caliber 1861 movement.

  • Condition: Excellent / like new
  • Case Size: 39.7mm diameter
  • Movement Type: Manual wind (Caliber 1861)
  • Condition Details: Excellent / like new (watch), shows wear on original box
Posted at
Jan 24, 2026, 9:08 PM
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[WTS] 2025 MINT Omega Speedmaster Moonphase Meteorite Dial

2025 MINT Omega Speedmaster Moonphase Meteorite Dial

Omega - 304.30.43.52.01.001 · $14,189
This Omega Speedmaster Moonphase features a 43mm stainless steel case with a PVD black-coated meteorite plate dial, manual winding chronograph movement, and sapphire crystal exhibition caseback. It is certified by METAS and has a power reserve of approximately 60 hours.

  • Case Size: 43mm
  • Case Material: Stainless Steel
  • Dial: Genuine Meteorite
Posted at
Jan 24, 2026, 7:47 PM
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