Omega Speedmaster Speedmaster Professional Moonwatch 3861 Sedna Gold - Ruby / Black - Ruby / Bracelet
Reference 310.55.42.50.51.001
About this watch
The Omega Speedmaster Professional Moonwatch 3861 Sedna Gold is a stunning blend of luxury and functionality, with its Sedna gold construction and intricate chronograph features. The watch's sheer elegance is undeniable, with a black sunburst finish contrasting beautifully with gem-set indexes and ruby accents. Certified as a Master Chronometer by METAS, the Omega caliber 3861 movement is an engineering marvel, resistant to magnetic fields up to 15,000 gauss. With small seconds, hours, and minutes hands, the chronograph functionality offers precision timing. The watch's durability is also noteworthy, with sapphire glass adding scratch resistance. The Sedna gold bracelet ensures a secure fit, while its adjustability makes it comfortable for wearers of all wrist sizes. This timepiece is not just a luxury item but a conversation starter, status symbol, and piece of horological history.
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Key Features
- Omega caliber 3861 movement with Co-Axial escapement and silicon balance spring
- Sedna gold construction with gem-set indexes and ruby accents
- 50m water resistance with sapphire glass scratch resistance
- Chronograph functionality with small seconds, hours, and minutes hands
- Adjustable Sedna gold bracelet for secure fit on all wrist sizes
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Sedna Gold - Ruby / Black - Ruby / Bracelet
- Reference
- 310.55.42.50.51.001
- Movement
- 3861
- Movement Features
-
- Small Seconds, Hours, Minutes
- Chronograph
- Chronometer
- Case
- Sedna Gold 42mm
- Dial Color
- Black
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
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
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
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
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
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
Omega Speedmaster Professional Sapphire Sandwich $6680 2025
This Omega Speedmaster Professional is a unique variant known as the Sapphire Sandwich.
- Price: $6680
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
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
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