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

Reference 310.60.42.50.01.001

Omega Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Bracelet

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] OMEGA Speedmaster Date 40mm 18k Bezel Full Kit

OMEGA Speedmaster Date 40mm 18k Bezel Full Kit

Omega - 323.21.40.40.02.001 · $3,500
Up for sale is a Omega Speedmaster Date 40mm Steel/Yellow Gold Ref. 323.21.40.40.02.001, a full kit.

  • Case size: 40mm diameter
  • Material: Steel and Yellow Gold
Posted at
Mar 13, 2026, 10:36 AM
Active
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[WTS] Omega Speedmaster Date 3513.50 $1,800

Omega Speedmaster Date 3513.50 $1,800

Omega - 3513.50 · $1,800
This Omega Speedmaster Date features a deep sunburst textured black dial with a classic polished bezel, powered by the Omega 1152, Valjoux 7750 date automatic chronograph.

  • Condition: Good
  • Case size: 39mm diameter
  • Wrist size limit: 7.3-inch wrist
Posted at
Mar 13, 2026, 10:00 AM
Active
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[WTS] Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

Omega Speedmaster Moonwatch Professional - White Dial - 310.30.42.50.04.001 - Full Set

Omega - 310.30.42.50.04.001 · $8,125
This Omega Speedmaster Moonwatch Professional features a white dial and is sold as a full set, including box, historical booklet, user manual, microfiber cloth, master chronometer card, warranty card, and more. The watch functions perfectly mechanically and comes in fantastic condition.

  • Condition: pristine with minor hairlines on clasp, case, and bracelet
  • Case size: 42mm diameter
Posted at
Mar 13, 2026, 5:33 AM
Active
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[WTS] Omega OEM Integrated Speedmaster Rubber Strap + OEM Deployant Clasp – 20mm

Omega OEM Integrated Speedmaster Rubber Strap + OEM Deployant Clasp – 20mm

Omega - 032Z017245, STZ007387 · $520
A set of Omega OEM accessories for the Speedmaster watch, including a black rubber strap and deployant clasp.

  • Condition: Excellent condition overall
  • Material: rubber, stainless steel
  • Strap taper: 20mm to 16mm
Posted at
Mar 12, 2026, 9:16 PM
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[WTS] Omega Speedmaster Moonphase 2023 Black 304.30.44.52.01.001 Full Set - $7,795

Omega Speedmaster Moonphase 2023 Black 304.30.44.52.01.001 Full Set - $7,795

Omega - 304.30.44.52.01.001 · $7,795
Up for sale is an Omega Speedmaster Moonphase Black, a 2023 model in excellent condition.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2023
  • Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
Posted at
Mar 12, 2026, 5:54 PM
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[WTS] Omega Speedmaster Professional Moonwatch – 2021 – Hesalite – Excellent

Omega Speedmaster Professional Moonwatch – 2021 – Hesalite – Excellent

Omega - 310.30.42.50.01.001 · $5,150
This is the new generation reference 3861, featuring the updated Master Chronometer movement and classic hesalite crystal, keeping the traditional Moonwatch look.

  • Condition: Excellent
  • Case Size: 42mm diameter
  • Movement: Manual Wind (Omega Caliber 3861)
  • Crystal: Hesalite
Posted at
Mar 12, 2026, 4:12 PM
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[WTS] Omega Speedmaster Reduced Two Tone - 39mm - 175.0033 - $2,750 Shipped

Omega Speedmaster Reduced Two Tone - 39mm - 175.0033 - $2,750 Shipped

Omega - 175.0033 · $2,750
For sale is a Beautiful Omega Speedmaster Reduced, this is the white dial version.

  • Condition: Great vintage condition, light hairlines on bezel and case
  • Case size: 39mm
  • Material: Two Tone
  • Movement status: Running
Posted at
Mar 12, 2026, 3:18 PM
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[WTS] Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.01.001 – Full Set – $3,800 + shipping

Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.01.001 – Full Set – $3,800 + shipping

Omega - 324.30.38.50.01.001 · $3,800
The Omega Speedmaster 38 Co-Axial Chronograph features a black dial on the stainless steel bracelet, with typical hairline marks on the bracelet and a small scratch on the clasp. The crystal and dial are clean. This watch comes in its full set.

  • Condition: great condition with light wear
  • Bracelet size: not specified
  • Crystal type: not specified
  • Dial color: black
Posted at
Mar 12, 2026, 12:19 PM
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[WTS] Omega Speedmaster Professional Moonwatch Sapphire 310.30.42.50.01.002 with Box & Manuals

Omega Speedmaster Professional Moonwatch Sapphire 310.30.42.50.01.002 with Box & Manuals

Omega - 310.30.42.50.01.002 · $6,150
This Omega Speedmaster Professional Moonwatch features a stainless steel case, black bezel, and manual wind mechanical movement.

  • Condition: Nice Preowned Condition with Some Light Scratches on the Case, Bracelet and Buckle
  • Case dimensions: 42mm diameter
  • Bezel material: Stainless Steel
  • Dial color: Black
Posted at
Mar 11, 2026, 7:04 PM
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