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
![[WTS] Omega Speedmaster Date ref. 3212.80.00 40mm | Great Condition (with Original Box & Serviced) | $2600](https://preview.redd.it/e18f0vpwpxng1.jpg?width=640&crop=smart&auto=webp&s=c64d6ff7a18d7eb62177d6c4da37055c5d890483)
Omega Speedmaster Date ref. 3212.80.00 40mm | Great Condition (with Original Box & Serviced) | $2600
The Omega Speedmaster Date ref. 3212.80.00 features a 40mm stainless steel case, deep blue dial, and classic tri-compax layout with running seconds, 30-minute counter, and 12-hour chronograph totalizer.
- Condition: Great condition
- Case size: 40mm diameter
- Bracelet length: 7.5-7.7 inches
- Movement power reserve: 44 hours
![[WTS] Omega Speedmaster ’57 Gold on Leather Strap 2025 MINT FULL 331.22.42.51.01.001](https://preview.redd.it/c691zs0ulxng1.jpg?width=640&crop=smart&auto=webp&s=541d13e04ae3bb3e34df99a76f8d74e3eb5298de)
Omega Speedmaster ’57 Gold on Leather Strap 2025 MINT FULL 331.22.42.51.01.001
The Omega Speedmaster Co-Axial Chronograph is a luxurious everyday chronograph with serious pedigree, blending legendary heritage with refined execution.
- Condition: Mint, minimal signs of wear
- Case Size: 41.5 mm diameter
- Thickness: 16.17 mm
- Lug To Lug: 50 mm
![[WTS] Omega Speedmaster Professional 3570.50.00 (Hesalite) 1861 cal](https://preview.redd.it/3lqtpkiuaxng1.jpg?width=640&crop=smart&auto=webp&s=7b064e57cf3a8017e62be8d9a0b113172e53ad5b)
Omega Speedmaster Professional 3570.50.00 (Hesalite) 1861 cal
Selling an Omega Speedmaster Professional 3570.50.00 (Hesalite) 1861 cal watch in good condition, with a full service at Omega AD in 2022 and original papers from the first owner.
- Condition: good condition
- Year of purchase: 2014
- Bracelet condition: has scratches on clasp area due to typing on a laptop
- Additional accessories: extra NATO strap
![[WTS] Omega Speedmaster METAS 3861 Sapphire Sandwich - Mint - 2023 (under Omega warranty until 2028) - Latest Version With Quick Adjust Clasp - Full Kit](https://preview.redd.it/6qadyd1t3xng1.jpg?width=640&crop=smart&auto=webp&s=42b2202714be7afa6cd3473fc84370ef1e9b44d4)
Omega Speedmaster METAS 3861 Sapphire Sandwich - Mint - 2023 (under Omega warranty until 2028) - Latest Version With Quick Adjust Clasp - Full Kit
This Omega Speedmaster Moonwatch is a full kit dated May 2023, under warranty until May 2028. It has some minor scratches on the clasp but runs flawlessly and is in great condition.
- Condition: Mint with desk dive scratches on the clasp
- Year of manufacture: 2023
- Warranty expiration year: 2028
- Case condition: Mint
![[WTS] Omega Speedmaster Mark II. 327.10.43.50.01.001.](https://preview.redd.it/srikyn5mfvng1.jpeg?auto=webp&s=5e310bdcaed939e6755f9f13712ecf4c50c80380)
Omega Speedmaster Mark II. 327.10.43.50.01.001.
This Omega Speedmaster Mark II is a large watch that fits comfortably on the wrist, with additional details and photos available upon request.
- Condition: Very good condition
- Size: 41mm diameter
- Location: New Jersey, USA
![[WTS] Omega Speedmaster. Moonwatch + Moonphase. Sapphire Sandwich.](https://preview.redd.it/8x2gt6y5fvng1.jpeg?auto=webp&s=cfef8410991165a1fa70cc31d089d35618795232)
Omega Speedmaster. Moonwatch + Moonphase. Sapphire Sandwich.
The watch is an Omega Speedmaster, also known as a Moonwatch, featuring a sapphire sandwich case.
- Condition: Very clean
- Location: New Jersey, USA
![[WTS] Omega Speedmaster 3570.50-$4200](https://preview.redd.it/q1hwc206cvng1.jpg?width=640&crop=smart&auto=webp&s=99b047bac8f6aa00a6c7892481d0348e2e868235)
Omega Speedmaster 3570.50-$4200
The Omega Speedmaster 3570.50 is a model that comes watch only with original band and Forstner band. It's suitable for everyday wear.
- Condition: Good condition with some normal signs of wear
- Band Count: 2
- Seller Experience: Yes, several sales on AWWC, SBWC, Resco, and eBay
![[WTS] Omega Speedmaster 3861 Sapphire Sandwich - Minty - May 2023 Card (under Omega warranty until 2028) - Quick Adjust Bracelet - Full Kit](https://preview.redd.it/a1fae7lp2vng1.jpg?width=640&crop=smart&auto=webp&s=cdf607bb289172dd85f26c37ed2613ed0f8ff002)
Omega Speedmaster 3861 Sapphire Sandwich - Minty - May 2023 Card (under Omega warranty until 2028) - Quick Adjust Bracelet - Full Kit
A 2023 Omega Speedmaster Moonwatch 3861 sapphire sandwich, in great condition with a full kit and under warranty until 2028. The watch is running accurately at 0 spd.
- Condition: great condition with minor desk dive scratches on the clasp
- Warranty expiration date: May 2028
- Retail price: $9K
![[WTS] Omega Speedmaster Professional Moonwatch Hesalite 3861 - Full set 2022](https://preview.redd.it/5ienk3bwlung1.jpg?width=640&crop=smart&auto=webp&s=9318f58d7489457f59a9414dbfc10dade8a1a616)