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 Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set](https://preview.redd.it/cgrt9gh2w6eg1.jpg?width=640&crop=smart&auto=webp&s=b721bc1700ba69a48f7866e8e2774048a4c08aa1)
Omega Speedmaster Professional 42mm “Sapphire Sandwich” 310.30.42.50.01.002 - 11/2025 Complete Set
This Omega Speedmaster Professional is a 'Sapphire Sandwich' model with a 42mm case, known as the Moonwatch.
- Condition: Like New
- Case size: 42mm
- Service history: Unknown
![[WTS] Omega Speedmaster Professional Link - $75](https://preview.redd.it/9o32m9k5m6eg1.jpeg?auto=webp&s=7502bac1f860942c33290d1230d50c6c11dab472)
Omega Speedmaster Professional Link - $75
A replacement link set for the Omega Speedmaster Professional, sealed and unopened, received directly from Omega.
- Material: genuine OEM
- Status: sealed and unopened
- Origin: received directly from Omega
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Omega Speedmaster Broadarrow. $3450 only !!
A Omega Speedmaster Broadarrow for sale, available with shipping from NJ USA.
- Shipping Location: NJ USA
- Shipping Method: Fedex with insurance
- Shipping Global: yes, globally accepted
![[WTS] 2025 OMEGA Speedmaster Moonwatch Pro White 310.30.42.50.04.001 Full Set](https://preview.redd.it/oeplh7dq06eg1.jpg?width=640&crop=smart&auto=webp&s=d04c9bb04904c47c52674b59d57f47cf856fd6e0)
2025 OMEGA Speedmaster Moonwatch Pro White 310.30.42.50.04.001 Full Set
For sale is a classic Omega Speedmaster Moonwatch Pro with a white dial and a December 2025 date.
- Condition: Very good condition, with a mark on the side of the case
- Msrp: $9,100 + Tax
- Shipping: Fully insured overnight via FedEx to the closest FedEx Office
![[WTS] Omega Speedmaster Pilot (332.10.41.51.01.002) | 2025](https://preview.redd.it/c9r8nzcg06eg1.jpg?width=640&crop=smart&auto=webp&s=cc5ebc5717012426ab41a82ef05120dfce46b86a)
Omega Speedmaster Pilot (332.10.41.51.01.002) | 2025
This Omega Speedmaster Pilot is a recently released version of the Speedmaster, featuring an automatic Caliber 9900 movement and a 40.85mm steel case.
- Condition: Excellent, lightly worn
- Case Size: 40.85 mm diameter
- Bracelet Material: Steel
- Crystal: Sapphire
![[WTS] Omega Speedmaster Professional Sapphire Sandwich $6680 2025](https://preview.redd.it/a0as9tb1a5eg1.jpg?width=640&crop=smart&auto=webp&s=59a44f812795e60d41a3bc43baf8e3f21d499b4c)
Omega Speedmaster Professional Sapphire Sandwich $6680 2025
This Omega Speedmaster Professional is a unique variant known as the Sapphire Sandwich.
- Price: $6680
![[WTS] Omega Speedmaster Professional Sapphire Sandwich 2025 $6680](https://preview.redd.it/h3jeubmo85eg1.jpg?width=640&crop=smart&auto=webp&s=214cdf5cbf4bd45e76b9af29e933654dcd9bec1a)
Omega Speedmaster Professional Sapphire Sandwich 2025 $6680
a rare Omega Speedmaster Professional with a sapphire sandwich case and a 2025 model number.
- Year of production: 2025
![[WTS] Omega Speedmaster 39mm olympic 3516.20](https://preview.redd.it/121go4jp50eg1.jpg?width=640&crop=smart&auto=webp&s=3478e9cca169cbbe1fbdb6145cfbe9086c47be43)
Omega Speedmaster 39mm olympic 3516.20
This is a beautiful Omega Speedmaster limited Olympic edition, with minimal signs of wear and coming with an Omega red travel case.
- Condition: very good condition with minimal sign of wear
- Case size: 39mm
- Movement accuracy: -+4/day
- Included accessories: omega red travel case
![[WTS] Omega Speedmaster 3861 Bracelet](https://preview.redd.it/xj67cs6lazdg1.jpg?width=640&crop=smart&auto=webp&s=85637a845c99cfcf9322473104ff0eaeecba865e)
Omega Speedmaster 3861 Bracelet
This Omega Speedmaster is a brand new model with additional features such as tool free microadjust and it has not been worn.
- Condition: New, never worn
- Links included: true
- Clasp condition: plastic still on
- Adjustment method: tool free microadjust