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 MOONWATCH PROFESSIONAL SAPPHIRE SANDWICH 310.30.42.50.01.002 COMPLETE 10/2025 WITH STICKERS!!!🔥

🔥OMEGA SPEEDMASTER MOONWATCH PROFESSIONAL SAPPHIRE SANDWICH 310.30.42.50.01.002 COMPLETE 10/2025 WITH STICKERS!!!🔥

A brand new, unworn OMEGA Speedmaster Moonwatch Professional Sapphire Sandwich with a black dial and stainless steel case.

  • Condition: Brand new/unworn
  • Case Size: 42mm diameter
  • Material: Stainless Steel
Posted at
Oct 22, 2025, 8:18 PM
Active
[WTS] Omega Speedmaster Chronograph Broad Arrow Tokyo Olympic 2020

Omega Speedmaster Chronograph Broad Arrow Tokyo Olympic 2020

The Omega Speedmaster Chronograph Broad Arrow Tokyo Olympic 2020 features a stainless steel case with a clean white dial, bold legible arabic numerals, and broad arrow hands. The chronograph hand reveals the Olympic rings, and the watch is powered by an automatic Co-Axial calibre 3313.

  • Condition: Minimal wear and light polish on bracelet and clasp
  • Case size: 42mm diameter x 48 height
  • Lug width: 20mm
  • Wrist size recommendation: 7.8in
Posted at
Oct 22, 2025, 8:07 PM
Active
[WTS] Omega Speedmaster Two Tone Reduced

Omega Speedmaster Two Tone Reduced

Omega - 3714.20.80 · $2,500
A two tone Omega Speedmaster with a white dial and gold subdials, featuring an 18k gold bezel.

  • Condition: Good, some wear on the case and bezel
  • Movement: Cal 1140
  • Size: 39mm diameter
Posted at
Oct 22, 2025, 7:51 PM
Active
[WTS] Omega Speedmaster Reduced - Mother of Pearl - White

Omega Speedmaster Reduced - Mother of Pearl - White

A super rare and unique Omega Speedmaster with a Mother of Pearl dial that 'pops like no other watch' is for sale. The crystal looks clean, but the case and bezel could benefit from polishing.

  • Condition: Decent condition, light scratching on case, hairlines on bezel
  • Case material: Steel
  • Dial color: Mother of Pearl White
Posted at
Oct 22, 2025, 5:03 PM
Active
[WTS] Omega Speedmaster CK2998 Limited Edition “Blue Panda” - Full Set - Price Reduced ‼️✈️

Omega Speedmaster CK2998 Limited Edition “Blue Panda” - Full Set - Price Reduced ‼️✈️

Omega - CK2998 · $7,395
This Omega Speedmaster CK2998 Limited Edition 'Blue Panda' is a modern classic with a striking design. It features a 40mm stainless steel case and an opaline silver dial with blue subdials. The watch comes complete with its outer box, inner box, instruction manual, card sleeve, international warranty card, and pictograms card.

  • Condition: Excellent, barely worn
  • Case Size: 40mm diameter
  • Movement: Manual winding OMEGA calibre 1861
Posted at
Oct 22, 2025, 4:35 PM
Active
[WTS] Omega Speedmaster Dark Side of the Moon - 311.92.44.51.01.006 - Price Reduced ‼️🌙 ✈️

Omega Speedmaster Dark Side of the Moon - 311.92.44.51.01.006 - Price Reduced ‼️🌙 ✈️

The Omega Speedmaster Dark Side of the Moon 'Vintage Black' features a brown dial with blackened hands, a brushed ceramic bezel, and a brown leather strap. It has a vintage aesthetic with a dark dial and tan indices. The watch is running at +/−0 seconds per day.

  • Condition: Overall good condition, light strap wear and some light scratches
  • Retail Price: $12,000
  • Amp: 275
  • Movement Accuracy: +/-0 seconds per day
Posted at
Oct 22, 2025, 4:33 PM
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[WTS] Omega Speedmaster Michael Schumacher The Legend Collection $3,499

Omega Speedmaster Michael Schumacher The Legend Collection $3,499

This Omega Speedmaster Michael Schumacher The Legend Collection celebrates motorsport and Omega ambassador Michael Schumacher with a unique design, featuring a checkered carbon fiber dial, red accents, and a bezel with his racing achievements. It's powered by Omega's automatic caliber 3313, a column wheel chronograph movement.

  • Condition: Great pre-owned condition with minor wear marks
  • Case size: 44mm
  • Lug width: 21mm
  • Water resistance: 100m depth rating
Posted at
Oct 22, 2025, 11:44 AM
Active
[WTS] Open Card Omega Speedmaster Professional Moonwatch “Sapphire Sandwich” 310.30.42.50.01.002 — Excellent Condition, Box & Papers

Open Card Omega Speedmaster Professional Moonwatch “Sapphire Sandwich” 310.30.42.50.01.002 — Excellent Condition, Box & Papers

The Omega Speedmaster Professional Moonwatch “Sapphire Sandwich” is a modern take on one of the most iconic chronographs ever made, featuring a black step dial and sapphire crystal front and back.

  • Condition: Excellent condition
  • Case diameter: 42mm
  • Lug to lug: 47.5mm
  • Thickness: 13.2mm
Posted at
Oct 22, 2025, 9:10 AM
Active
[WTS][US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002

[US] Omega Speedmaster Chronoscope - White Panda Dial - 43mm - 329.30.43.51.02.002

Up for sale is an Omega Speedmaster Chronoscope - White Panda Dial - 43mm watch that functions perfectly mechanically.

  • Condition: fantastic with minor hairlines
  • Case size: 43mm
Posted at
Oct 22, 2025, 9:06 AM
Active