Omega Speedmaster Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Bracelet
Reference 310.60.42.50.01.001
About this watch
The Omega Speedmaster Professional Moonwatch 3861 Sedna Gold is a legendary timepiece that combines heritage, craftsmanship, and functionality in a way that few can match. Its stunning aesthetics, featuring a unique blend of black and gold, create a luxurious yet sporty vibe that can transition seamlessly from casual to formal settings. The watch strikes a balance between boldness and wearability, with a 42mm diameter and 13.18mm height that ensures it will never go out of style. Inside this beauty lies the Omega caliber 3861, an updated version of earlier calibers featuring a co-axial escapement and silicon balance spring. Certified by METAS, this watch is not just accurate but highly resistant to magnetic fields reaching up to 15,000 gauss. With a manual-winding chronograph movement and power reserve of 50 hours, you'll have the pleasure of winding it yourself while enjoying precise timekeeping. The black sunburst finish dial is mesmerizing, providing a backdrop for stick hands that lend a sleek, modern look while ensuring legibility at a glance. One of the standout features of the Speedmaster is its durability, with scratch-resistant sapphire glass and a water resistance rating of 50 meters. The open case back allows you to admire the intricate workings of the Omega caliber 3861, making it a treat for watch lovers.
Key Features
- Omega caliber 3861 movement
- Sedna Gold case
- Black sunburst finish dial
- Scratch-resistant sapphire glass
- 50m water resistance
- Manual-winding chronograph movement
- Co-axial escapement and silicon balance spring
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Sedna Gold / Black / Bracelet
- Reference
- 310.60.42.50.01.001
- 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 'Ed White' Caliber 321 - 1965](https://preview.redd.it/17kdcjjy2i7f1.jpeg?auto=webp&s=01c4e6bc387d85987d83862c49fb03f9577c1432)
Omega Speedmaster 'Ed White' Caliber 321 - 1965
A 1965 Omega Speedmaster 'Ed White' Caliber 321, one of the most celebrated chronographs in watch history. It features a straight lug construction, stepped dial design, and reliable hand-wound Caliber 321 movement. This watch is highly prized among collectors for its historical significance and clean, functional aesthetic.
- Condition: Restored with new dial, hands, crystal, bracelet, and movement overhaul
- Movement: Caliber 321
- Diameter: 40mm
 Omega Speedmaster Reduced - Reverse Panda 3511.50](https://external-preview.redd.it/5hpMQRXx6FYVyLK0catmLf6Zh9y1ZumAzDf2IQ3jEmA.jpeg?auto=webp&s=294cf138ae542735f761e2205c33ea670a90d27b)
(EU ONLY) Omega Speedmaster Reduced - Reverse Panda 3511.50
This Omega Speedmaster Reduced features a Reverse Panda dial, housed in a steel case with a diameter of 39mm. The watch is powered by Omega's Caliber 1155/Valjoux 7750 movement, manufactured in the 1990s.
- Condition: Pre-owned with surface scratches
- Movement: Omega Caliber 1155/Valjoux 7750
- Manufacture date: 1990s
- Thickness: 13.5mm
![[WTS] Omega Speedmaster Racing Chronograph “Schumacher” Ref. 3810.61 – $2,399](https://external-preview.redd.it/QkjZrzmhLKjt6h9mgSe31ZsvNt4VYvvSmXO32fQDZRk.jpeg?auto=webp&s=b865590ab939df723db9d73aaabb4630094b2f55)
Omega Speedmaster Racing Chronograph “Schumacher” Ref. 3810.61 – $2,399
Up for grabs is my Omega Speedmaster Schumacher Racing (ref. 3810.61.41), a vibrant and rare edition featuring a red dial with yellow accents and automatic chronograph movement. Housed in a 39mm case, it wears well on most wrists and blends sporty appeal with vintage Omega design cues. Perfect for collectors or daily wearers looking for something bold yet refined.
- Condition: Excellent pre-owned condition
- Case Size: 39mm
- Dial Condition: pristine
- Crystal Condition: pristine
![[WTS][US] Omega Speedmaster '57 - Blue Dial - 40.5mm - 332.10.41.51.03.001 - Full Set](https://external-preview.redd.it/FtKbCK4V0NckwYV9WJ3Y16H9QrUkBSJEMMAyFVk6nUc.jpeg?auto=webp&s=43d1baf0001f02a19c618a5ace82b9904a5783ac)
[US] Omega Speedmaster '57 - Blue Dial - 40.5mm - 332.10.41.51.03.001 - Full Set
This Omega Speedmaster '57 features a blue dial and measures 40.5mm in diameter.
- Condition: Fantastic condition with minor hairlines on clasp, case, and bracelet
- Case size: 40.5mm diameter
![[WTS] 2025 Omega Speedmaster 🌗 Price Drop!](https://external-preview.redd.it/kdm_Z1SVFTEEkrzPvNs4Z5SP25GgHOUjQaSKDKllLII.jpeg?auto=webp&s=23e9a6b9d3f0361d589406ffb656388e67032fc4)
2025 Omega Speedmaster 🌗 Price Drop!
This white dial Omega Speedmaster is in perfect condition, as shown in the pictures.
- Condition: Immaculate
- Outer Box: Yes
- Inner Box: Yes
- Operating Booklet: Yes

Omega Speedmaster - Dark Side of the Moon - 311.92.44.51.01.007 ( new / 2025 )
Up for sale is a brand new Omega Speedmaster Moonwatch Dark Side of the Moon / DSOM with Titanium Deployment Clasp, reference # 311.92.44.51.01.007 It comes complete with all boxes, papers, booklets, hang tag and Omega Warranty Card dated April 2025.
- Condition: Brand New
- Case material: Ceramic
- Case size: 44.25mm
- Movement type: Omega Co-Axial Calibre 9300
Omega Speedmaster Moonwatch Professional Co-Axial Master Chronometer Chronograph 42mm 310.30.42.50.04.001
This Omega Speedmaster Moonwatch Professional is a modern version of the classic chronograph, featuring a 42mm steel case and a sapphire crystal.
- Condition: Like New/Unworn
- Case material: Steel
- Bracelet material: Steel
- Crystal material: Sapphire
![[WTS] Omega Speedmaster X-33 *Full Service 6/25*](https://external-preview.redd.it/gL47Twey7_Z8nbIvzhhYnObVKaCPG9y9SA7pl8aG25I.jpeg?auto=webp&s=764dbed31f9423c6e2091f654be06d642ec7c52b)
Omega Speedmaster X-33 *Full Service 6/25*
This Omega Speedmaster X-33 is a recent service with a complete overhaul, making it ready to wear and backed by a 2-year warranty from Omega.
- Condition: pristine condition
- Service Date: 6/25
- Warranty Expires: 6/4/2025
Omega Speedmaster Tuetonic - Black dial (in UK)
This Omega Speedmaster Teutonic features a black dial, manual wind movement, and an integrated bracelet. The watch has a case width of 45mm and a thickness of 12.5mm.
- Condition: Good condition for age, with some scratches and minor wear
- Case Width: 45mm
- Bezel Diameter: 39mm
- Lug To Lug Width: 46mm