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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Omega Speedmaster 38mm Green Dial Diamond 324.18.38.50.60.001 $11,000 Full Set
Selling my Omega Speedmaster 38mm with a green dial and diamonds, dated 2024 December.
- Condition: Excellent condition, very slight signs of use
- Case size: 38mm
- Shipping location: Singapore
- Shipping duration to us: 4-5 business days
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[US] Omega Speedmaster Moonwatch Professional - Reverse Panda - 42mm - 310.30.42.50.01.004 - Full Set - BRAND NEW
This Omega Speedmaster Moonwatch Professional is a Reverse Panda model with a 42mm case size.
- Condition: Brand new, unworn, and pristine condition
- Case size: 42mm
- Bracelet condition: Zero hairlines
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Omega Speedmaster Professional (310.30.42.50.04.001)
This Omega Speedmaster Professional features a white dial on a steel bracelet and comes with boxes, booklet, and warranty card dated 8/19/2025.
- Condition: Excellent
- Case Size: 42mm diameter
- Bracelet Links: all links included
- Movement: Manual Caliber 3861
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Incredible Vintage 18K Good Omega Speedmaster “Tribute To Astronauts” Ref BA145.022 Unpolished Collector Example!
This is a rare and historic Omega Speedmaster 'Tribute to Astronauts' ref BA145.022-69, one of only 1014 made in 1969. It features an 18K gold dial, correct maroon bezel, and solid 18K yellow gold case with patina.
- Condition: Excellent, unpolished with patina
- Case size: 42MM
- Diameter: 42MM case diameter
- Bracelet length: 7.5 inches
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Omega Speedmaster Reduced 3510.21 Limited Edition (2,000 Pcs) Marui 39mm , B&P - $5,550
Up for sale is my Omega Speedmaster 3510.21 in great shape, measuring 39mm with an automatic movement.
- Condition: Very good condition
- Movement: automatic
- Case size: 39mm diameter
- Bracelet type: original Omega Steel bracelet
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Omega / Speedmaster date / Silver Dial / 40mm / Full Set
This Omega Speedmaster features a silver dial, 40mm case size, and is part of the full set.
- Condition: Excellent Condition
- Water Resistance: unknown
- Buckle Size: Fits 7.5"
- Shipping Included: true
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Omega Speedmaster Racing - 329.30.44.51.01.001 - Box and Papers - Price Reduced
This Omega Speedmaster Racing Chronograph is a pre-owned model with a 44.25mm case size, featuring a chronograph function and minor wear throughout.
- Condition: pre-owned with minor wear
- Size: 44.25mm diameter
- Bracelet material: stainless steel
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Omega Speedmaster Professional Moonwatch Hesalite Ref. 310.30.42.50.01.001 2022
A modern Omega Speedmaster Professional Moonwatch Hesalite with a classic vintage-inspired look and updated Co-Axial Master Chronometer movement, in the reference number 310.30.42.50.01.001.
- Condition: good pre-owned condition
- Movement type: Co-Axial Master Chronometer
![[WTS] Omega Speedmaster Professional Moonwatch Ref. 310.30.42.50.01.001](https://preview.redd.it/kkv6hitc7mxg1.jpg?width=640&crop=smart&auto=webp&s=2a049e503b71d8ad40a721ff167336ed1a6a6332)
Omega Speedmaster Professional Moonwatch Ref. 310.30.42.50.01.001
- Watch type: Speedmaster Professional Moonwatch