Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink

Reference 310.20.42.50.99.001

About this watch

The Omega Speedmaster Professional Moonwatch 310.20.42.50.99.001 is a stunning blend of tradition and innovation, featuring a unique Sedna Gold and pink finish. Its 42mm stainless steel case and Sedna Gold accents command attention, while the remarkable Omega caliber 3861 movement boasts a co-axial escapement, reducing friction for enhanced accuracy and longevity. Certified by METAS as a Master Chronometer, this watch can resist magnetic fields reaching an impressive 15,000 gauss. The sunburst pink finish adds sophistication, making it perfect for both casual and formal settings.
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Key Features

  • Omega caliber 3861 movement
  • 42mm stainless steel case
  • Sedna Gold accents
  • Co-axial escapement
  • Master Chronometer certified by METAS
  • 50m water resistance
  • Chronograph function

Specifications

Brand
Omega
Family
Speedmaster
Model
Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink
Reference
310.20.42.50.99.001
Movement
3861
Movement Features
  • Small Seconds, Hours, Minutes
  • Chronograph
  • Chronometer
Case
42mm
Dial Color
Pink
Crystal
Sapphire
Water Resistance
50

Current Listings

[WTS] Omega Speedmaster 40 3211.31

Omega Speedmaster 40 3211.31

Omega - 3211.31 · $2,299
This Omega Speedmaster 40 is a watch with a 40mm diameter, featuring a 7" bracelet.

  • Condition: Watch only (minor scratch)
  • Case Size: 40mm
  • Bracelet Length: 7 inches
Posted at
Apr 23, 2026, 6:13 PM
Active
[WTS] BNIB 2026 Omega Speedmaster Professional White $7,899

BNIB 2026 Omega Speedmaster Professional White $7,899

The Omega Speedmaster Moonwatch Professional features a glossy white lacquered dial, black markers, and red 'Speedmaster' text, with a modern and luxurious look thanks to its sapphire crystal. The 42mm case wears comfortably with a 5mm tapered bracelet. It's powered by the hand-wound Cal 3861 movement.

  • Condition: Brand new in box with no issues
  • Case size: 42mm diameter
  • Case thickness: 13.2mm
  • Lug width: 20mm
Posted at
Apr 23, 2026, 6:12 PM
Active
[WTS] Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.02.001

Omega Speedmaster 38 Co-Axial Chronograph 324.30.38.50.02.001

This Omega Speedmaster 38 Co-Axial Chronograph features a silver dial and comes with various accessories such as the original Omega stainless steel bracelet, inner box, outer box, instruction manual, pictograms card, Watchfinder certificate of authenticity, and an Omega Cream Watch Pouch.

  • Condition: Excellent overall condition with very minimal wear
  • Bracelet condition: Brand-new, unworn
  • Includes: Omega inner box, outer box, instruction manual, pictograms card, Watchfinder certificate of authenticity, cream watch pouch
Posted at
Apr 23, 2026, 6:05 PM
Active
[WTS] 2022 Omega Speedmaster Dark Side Of The Moon DSOTM "Pitch Black" reference 311.92.44.51.01.004 Box and Papers

2022 Omega Speedmaster Dark Side Of The Moon DSOTM "Pitch Black" reference 311.92.44.51.01.004 Box and Papers

A bold and modern interpretation of the legendary Speedmaster, featuring an all-black aesthetic that delivers a sleek, stealthy presence on the wrist.

  • Condition: Excellent
  • Case size: 44.25mm
  • Movement: Manual-wind Co-Axial Caliber 1869
  • Crystal: Sapphire
Posted at
Apr 23, 2026, 3:42 PM
Active
[WTS] Omega Speedmaster Broadarrow. Strong Lume.

Omega Speedmaster Broadarrow. Strong Lume.

A Omega Speedmaster Broadarrow for sale in good condition, with strong lume and running well.

  • Shipping Method: Fedex with insurance
  • Shipping Location: NJ USA
  • Shipping Global Accepted: true
Posted at
Apr 23, 2026, 3:26 PM
Active
[WTS] Omega Speedmaster Dark Side of the Moon 44.25mm 310.92.44.51.01.002 ( new / 2025 / box and papers )

Omega Speedmaster Dark Side of the Moon 44.25mm 310.92.44.51.01.002 ( new / 2025 / box and papers )

Omega - 310.92.44.51.01.002 · $13,550
This Omega Speedmaster Moonwatch Dark Side of the Moon is a brand new watch on Nylon Fabric Strap with Ceramic Clasp, featuring a 44.25mm black ceramic case and Omega Co-Axial Calibre 9900.

  • Condition: Brand new
  • Case size: 44.25mm diameter
  • Movement: Omega Co-Axial Calibre 9900
Posted at
Apr 23, 2026, 2:11 PM
Active
[WTS] OMEGA Speedmaster 311.63.44.51.06.001 Dark Side of the Moon Matte Grey w/Box and cards

OMEGA Speedmaster 311.63.44.51.06.001 Dark Side of the Moon Matte Grey w/Box and cards

OMEGA - 311.63.44.51.06.001 · $11,000
A 2021 Omega Dark Side of the Moon Sedna Gold Accent 44mm watch, featuring a laser ablated matte grey dial and an 18k Sedna gold bezel, housed in a ceramic case. The timepiece is comfortable to wear due to its light and durable design.

  • Condition: good
  • Case material: ceramic
  • Case size: 44mm
  • Diameter: 44mm
Posted at
Apr 23, 2026, 12:27 PM
Active
[WTS] Omega Speedmaster Reduced "Michael Schumacher" Limited Edition, 3517.30.00. Card Included. Collector's watch. Clean..

Omega Speedmaster Reduced "Michael Schumacher" Limited Edition, 3517.30.00. Card Included. Collector's watch. Clean..

Omega - 3517.30.00 · $3,495
A collector's Omega Speedmaster Reduced 'Michael Schumacher' Limited Edition, reference number 3517.30.00, in clean condition.

  • Condition: Clean
  • Card included: yes
  • Shipping method: Fedex with insurance
Posted at
Apr 23, 2026, 12:23 PM
Active
[WTS] Omega Speedmaster Date 3211.31.00 — Panda Dial — Cal. 1164 (Fresh Service) — $2,550 Shipped (Tariff Covered)

Omega Speedmaster Date 3211.31.00 — Panda Dial — Cal. 1164 (Fresh Service) — $2,550 Shipped (Tariff Covered)

Omega - 3211.31.00 · $2,550
This Omega Speedmaster Date features a panda dial and is powered by Cal. 1164.

  • Condition: pre-owned - fresh service
  • Caliber: Cal. 1164
Posted at
Apr 23, 2026, 11:47 AM
Active