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

Reference 310.20.42.50.99.001

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

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 Broadarrow. Strong Lume.

Omega Speedmaster Broadarrow. Strong Lume.

Omega - Speedmaster Broadarrow · $3,450
A vintage Omega Speedmaster Broadarrow with strong lume, available for sale.

  • Condition: Runs well
  • Lume: strong
  • Shipping: Fedex with insurance
Posted at
May 1, 2026, 6:07 PM
Active
View listing on r/WatchExchange
[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, in good condition with a card included.

  • Condition: Clean
  • Shipping method: Fedex with insurance
  • Location: NJ USA
Posted at
May 1, 2026, 6:01 PM
Active
View listing on r/WatchExchange
[WTS] OMEGA Speedmaster Professional Sapphire Sandwich 3861 Latest Model on Forstner Bullet - Watch Only - $5400 shipped CONUS

OMEGA Speedmaster Professional Sapphire Sandwich 3861 Latest Model on Forstner Bullet - Watch Only - $5400 shipped CONUS

OMEGA - Speedmaster Professional Sapphire Sandwich 3861 · $5,400
The Omega Speedmaster Professional Sapphire Sandwich 3861 is a latest model watch sold as watch only, with shipping included to CONUS.

Posted at
May 1, 2026, 5:38 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster. Sapphire Sandwich. Box, Cards.

Omega Speedmaster. Sapphire Sandwich. Box, Cards.

Omega - Speedmaster · $6,150
A Omega Speedmaster sapphire sandwich watch with box and cards is being sold.

  • Location: NJ USA
Posted at
May 1, 2026, 4:47 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster 40 3211.31

Omega Speedmaster 40 3211.31

Omega - 3211.31 · $2,175
A used Omega Speedmaster 40mm model 3211.31, featuring a minor scratch on the crystal.

  • Condition: Minor scratch on crystal
  • Bracelet length: 7 inches
Posted at
May 1, 2026, 3:33 PM
Active
View listing on r/WatchExchange
[WTS] Omega Speedmaster Professional. Moonwatch. 3570.50. Very nice condition...

Omega Speedmaster Professional. Moonwatch. 3570.50. Very nice condition...

Omega - 3570.50 · $4,100
This Omega Speedmaster Professional Moonwatch is a high-end timepiece with a rich history and design.

  • Condition: Very nice condition
  • Location: NJ USA
  • Shipping: included
Posted at
May 1, 2026, 3:30 PM
Active
View listing on r/WatchExchange
[WTS] 🚀🌗Brand New 2026 Full Set - Omega Speedmaster Moonphase Reference: 304.30.44.52.01.001 🚀🌗

🚀🌗Brand New 2026 Full Set - Omega Speedmaster Moonphase Reference: 304.30.44.52.01.001 🚀🌗

Omega - 304.30.44.52.01.001 · $10,995
This listing is for a brand new Omega Speedmaster Moonphase watch, full set with warranty card, double box, and other included items.

  • Condition: Brand New
  • Bracelet length: fully linked
Posted at
May 1, 2026, 1:49 PM
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[WTS] Omega OEM Integrated Speedmaster Moonwatch Rubber Straps - One with OEM Clasp - One Without Clasp (Both Backordered thru Omega)

Omega OEM Integrated Speedmaster Moonwatch Rubber Straps - One with OEM Clasp - One Without Clasp (Both Backordered thru Omega)

Omega - 032Z017245, STZ007387 · $275
Additional details are about Omega OEM integrated Speedmaster Moonwatch rubber straps, one with an OEM clasp and one without.

  • Condition: Very Good
  • Clasp type: stainless steel deployant clasp (16mm)
  • Lug size: 20mm
  • Condition of strap 1: with clasp
Posted at
May 1, 2026, 1:32 PM
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[WTS] Omega Speedmaster 323.10.40.40.04.001 Specialities 2012 Olympic Games Collection Blue Red Hands | Good Condition | Serviced| 2100$

Omega Speedmaster 323.10.40.40.04.001 Specialities 2012 Olympic Games Collection Blue Red Hands | Good Condition | Serviced| 2100$

Omega - 323.10.40.40.04.001 · $2,100
This Omega Speedmaster features a white dial with blue and red hands, making it an eye-catching piece.

  • Condition: Good Condition
  • Case size: 39mm
  • Crystal type: Sapphire
  • Lug width: 20mm
Posted at
May 1, 2026, 11:42 AM
Active
View listing on r/WatchExchange