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

Reference 310.63.42.50.01.001

About this watch

The Omega Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Alligator is a masterpiece of luxury watchmaking, blending history, craftsmanship, and modern technology. Its striking black sunburst dial and Sedna Gold case exude sophistication, while its chronograph function and co-axial escapement ensure precision and reliability. With a water resistance of 50 meters and a power reserve of 50 hours, this watch is built for performance and durability. Whether you're a seasoned collector or a first-time buyer, the Speedmaster Professional Moonwatch is sure to impress with its stunning design, exceptional movement, and practical features.
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MSRP: $30,200
Market Price: $18,352

Key Features

  • Omega caliber 3861 movement
  • Sedna Gold case material
  • Master Chronometer certification by METAS
  • Chronograph function
  • Co-axial escapement
  • Plexi glass crystal
  • 50-meter water resistance

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Alligator
Reference
310.63.42.50.01.001
Movement
3861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
  • Chronometer
Case
Sedna Gold 42mm
Dial Color
Black
Crystal
Plexi
Water Resistance
50

Current Listings

[WTS] Omega. Speedmaster. Date Chrono. Great Condition. $1849 Only

Omega. Speedmaster. Date Chrono. Great Condition. $1849 Only

Omega - 3513.50 · $1,849
A Omega Speedmaster Date Chrono in great condition, featuring a 39mm case.

  • Condition: 9/10
  • Bracelet length: ~6.75 inch
  • Case size: 39mm
Posted at
May 8, 2026, 3:31 PM
Active
[WTS] Omega. Speedmaster. Reverse Panda. $1849 Only

Omega. Speedmaster. Reverse Panda. $1849 Only

Omega - Speedmaster · $1,849
A well-maintained Omega Speedmaster, also known as a Reverse Panda, available for sale. The watch features a 39mm diameter and is on its original OEM bracelet.

  • Condition: 9/10
  • Bracelet size: 39mm diameter
  • Wrist fit: ~7inch
Posted at
May 8, 2026, 3:25 PM
Active
[WTS] 2021 SERVICED Omega Speedmaster Apollo 8 Dark Side of the Moon 311.92.44.30.01.001 B&P

2021 SERVICED Omega Speedmaster Apollo 8 Dark Side of the Moon 311.92.44.30.01.001 B&P

The Omega Speedmaster Dark Side of the Moon Apollo 8 is one of the most striking modern Speedmasters — full black ceramic, skeleton dial, and a movement laser-engraved to look like the lunar surface. The yellow accents give it that bold, mission-ready look you can spot across the room.

  • Condition: Good condition with very few signs of wear, mainly on the leather strap
  • Case Size: 44.25mm
  • Movement Caliber: Omega Calibre 1861
  • Power Reserve: 48 hours
Posted at
May 8, 2026, 3:05 PM
Active
[WTS] 2022 Omega Speedmaster Racing 40mm 326.32.40.50.06.001 Full Set Excellent

2022 Omega Speedmaster Racing 40mm 326.32.40.50.06.001 Full Set Excellent

A sporty, modern Speedmaster with racing‑inspired detailing.

  • Condition: Excellent
  • Size: 40mm diameter
  • Year: 2022
Posted at
May 8, 2026, 2:04 PM
Active
[WTS] Omega Speedmaster Reduced 39mm - 3510.50

Omega Speedmaster Reduced 39mm - 3510.50

Omega - 3510.50 · $2,495
A Omega Speedmaster Reduced in 39mm size, running strong with a small issue with the chronograph function.

  • Condition: pre-owned, good condition
  • Size: 39mm diameter
  • Wrist size: not specified
Posted at
May 8, 2026, 1:02 PM
Active
[WTS] Omega Speedmaster Day Date 3523.80

Omega Speedmaster Day Date 3523.80

Omega - 3523.80 · $2,225
This Omega Speedmaster Day Date features a beautiful blue dial and is in excellent condition.

  • Condition: Excellent
  • Payment Methods Accepted: Cryptocurrency and other methods (except PayPal)
  • Location: Southwest FL
  • Local Meeting Available: Yes
Posted at
May 8, 2026, 12:50 PM
Active
[WTS] Omega Speedmaster Date 3511.50

Omega Speedmaster Date 3511.50

Omega - 3511.50 · $1,975
This Omega Speedmaster date is a rare reverse panda dial model only sold in Japan.

  • Condition: great condition
  • Location: southwest FL
  • Payment Methods Accepted: crypto with small fee, local meetups
  • Payment Methods Not Accepted: PayPal
Posted at
May 8, 2026, 12:19 PM
Active
[WTS] “May the 4th Be With You” 2026 Card Omega Speedmaster Sapphire Complete Set *$7,200 + label*

“May the 4th Be With You” 2026 Card Omega Speedmaster Sapphire Complete Set *$7,200 + label*

A brand new Omega Speedmaster Sapphire Sandwich Complete Set with all cards included, travel case, and literature.

  • Condition: Brand new, unworn and unsized
  • Year: 5/4/2026
  • Contents: All cards included, travel case and Speedmaster literature
  • Payment methods: Zelle or Wire preferred, Credit Cards accepted +3.5%
Posted at
May 8, 2026, 11:23 AM
Active
[WTS] 2026 Omega Speedmaster White Full Set

2026 Omega Speedmaster White Full Set

No description provided in the listing

Posted at
May 8, 2026, 10:13 AM
Active