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 40MM “FOIS” (First Omega In Space) Ref - 310.30.40.50.06.001 (NEW / UNWORN 2025 COMPLETE SET)

Omega Speedmaster 40MM “FOIS” (First Omega In Space) Ref - 310.30.40.50.06.001 (NEW / UNWORN 2025 COMPLETE SET)

The Omega Speedmaster "FOIS" is a limited edition watch commemorating the first Omega watch worn in space, featuring a 40MM case size.

  • Condition: New, unworn
  • Case diameter: 40mm
  • Box contents: Outer box,Inner box,Warranty card,Pictograms card,Master Chronometer card,x2 manuals,Microfiber,Travel case
Posted at
Aug 23, 2025, 8:08 PM
Active
[WTS] Omega Speedmaster. 39mm. Olympics Edition. Sapphire. Mother of pearl dial. 🔥

Omega Speedmaster. 39mm. Olympics Edition. Sapphire. Mother of pearl dial. 🔥

This Omega Speedmaster is a 39mm watch featuring a mother of pearl dial and sapphire crystal.

  • Condition: Clean
  • Size: 39mm diameter
  • Case material: unknown
  • Movement type: Automatic
Posted at
Aug 23, 2025, 5:42 PM
Active
[WTS] Omega Speedmaster Professional White New in Box (2025 Complete Set)

Omega Speedmaster Professional White New in Box (2025 Complete Set)

A brand new Omega Speedmaster Professional White on a rubber strap, complete with its full set of accessories.

  • Condition: New in Box (unworn)
  • Case material: Stainless Steel
  • Bracelet type: Rubber Strap
  • Water resistance: 50m
Posted at
Aug 23, 2025, 5:41 PM
Active
[WTS] Second Brand New Post! August 2025 Omega Speedmaster Sapphire Complete Set *$6,750 + label*

Second Brand New Post! August 2025 Omega Speedmaster Sapphire Complete Set *$6,750 + label*

This is a brand new Omega Speedmaster Sapphire Complete Set in its original packaging, complete with all cards and accessories.

  • Condition: Mint, unworn, and unsized
  • Year: 08/2025
  • Contents: All cards, hang tag, travel case, literature, cleaning cloth
Posted at
Aug 23, 2025, 4:12 PM
Active
[WTS] 1992 Omega Speedmaster 3590.50 Tritium Dial - $4,650

1992 Omega Speedmaster 3590.50 Tritium Dial - $4,650

A 1992 Omega Speedmaster Professional Moonwatch featuring a matte black Tritium dial and 42mm stainless steel case. The watch has been previously polished and shows minimal signs of wear.

Posted at
Aug 23, 2025, 1:44 PM
Active
[WTS] Omega Speedmaster Reduced 3510.52 (Reverse Panda Dial)

Omega Speedmaster Reduced 3510.52 (Reverse Panda Dial)

Omega - 3510.52 · $4,500
This Omega Speedmaster Reduced features a unique 'Reverse Panda' dial and was released in Japan in the 90's. It has a smaller 39mm diameter, an automatic 3220 movement, and is in good condition for its age.

  • Condition: Pretty good, normal signs of wear
  • Model: Speedmaster
  • Year Origin: 1999/Japan
  • Movement: 3220 Automatic Movement
Posted at
Aug 23, 2025, 12:40 PM
Active
[WTS] Omega Speedmaster Dark Side of the Moon Apollo 8 Full Set 311.92.44.30.01.001 - $7,895

Omega Speedmaster Dark Side of the Moon Apollo 8 Full Set 311.92.44.30.01.001 - $7,895

A Omega Speedmaster Moonwatch - Dark Side of the Moon - Apollo 8 edition, a 2019 model sold in full set with various accessories.

  • Condition: Excellent condition
  • Year: 2019
  • Contents: Watch, Inner & Outer Box, International Warranty Card, Pictograms Card, Card Holder, Operating Instructions Manual, Omega Watch Cloth
Posted at
Aug 23, 2025, 12:15 PM
Active
[WTS] Brand New August 2025 Omega Speedmaster Sapphire Complete Set *$6,750 + label*

Brand New August 2025 Omega Speedmaster Sapphire Complete Set *$6,750 + label*

The Omega Speedmaster Sapphire Complete Set is a brand new, unworn watch available for sale. The watch features a sandwich design with sapphire crystal and includes various accessories such as travel case, literature, and cleaning cloth.

  • Condition: Mint, unworn, and unsized
  • Year: 2025
  • Contents: Travel case, Speedy literature, cleaning cloth, all cards and hang tag
Posted at
Aug 23, 2025, 10:34 AM
Active
[WTS] Omega Speedmaster First Omega in Space FOIS 311.32.40.30.01.001 $4,400

Omega Speedmaster First Omega in Space FOIS 311.32.40.30.01.001 $4,400

The Omega Speedmaster First Omega in Space is a numbered homage to the CK2998, powered by the Lemania base workhorse Calibre 1861. It features a 39.7mm case and comes with box and papers.

  • Condition: Preowned - Good
  • Box And Papers: Yes, dated July 2016
  • Shipping Cost Included: yes
  • Payment Methods: Zelle, Venmo, USDT, Wise
Posted at
Aug 23, 2025, 8:15 AM
Active