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

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2024 39.7mm Omega FOIS Speedmaster Anniversary Series First Omega in Space, Stainless Steel with Sapphire Crystals & Dark Blue Dial.
- Condition: Excellent Condition
- Movement: Omega 3861 Manual Winding Movement
- Diameter: 39.7mm
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- Condition: Excellent condition with light signs of wear
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- Case size: 40.5mm
- Thickness: ~13mm
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Omega Speedmaster racing 9900 44.25mm 329.33.44.51.01.001 under warranty
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- Condition: Good condition
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A Special Edition Omega Speedmaster Chronograph with a 42mm dial, characterized by its unique design and features.
- Size: 42mm
- Dial type: cool dial
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A 2016 Omega Speedmaster Mark II Rio Olympics Special Edition, featuring a steel case, black crystal, and scratch-resistant sapphire crystal. It has a water resistance of 100m and is powered by the self-winding Omega caliber 3330.
- Condition: Outstanding condition
- Case diameter: 42.4 x 46.2mm
- Thickness: 14.9mm
- Water resistance depth rating: 100m
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This Omega Speedmaster features a white dial and is equipped with chronograph, date, day, and moonphase functions. The watch has a 18K yellow gold case measuring 39mm in size.
- Condition: 90%
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- Movement type: Mechanical Automatic
Omega Speedmaster Professional Moonwatch 'Sapphire Sandwich' 3861 - New 2025
The Omega Speedmaster Professional Moonwatch 'Sapphire Sandwich' is a new iconic watch featuring sapphire crystal and a sapphire see-thru caseback showcasing the new caliber 3861 movement.
- Condition: New unworn
- Case size: 42mm diameter
- Movement: Omega Caliber 3861, manual-winding chronograph
- Crystal: sapphire crystal
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Rare Omega Speedmaster Professional Moonwatch Moonphase 🌕⏱ – $4,250 Shipped! 🚀
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This Omega Speedmaster Date features a 39mm stainless steel case, black sunburst dial with date window at 3 o'clock and is perfect for everyday use or building your collection.
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- Case Size: 39mm
- Lug To Lug: 44.5mm
- Lug Width: 18mm