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. Moonwatch $2250.00](https://external-preview.redd.it/3vG8GwrU93BdmPCDgdPOTrVkZC2cp0c69XTWJuuNK3I.jpeg?auto=webp&s=d2539b444b3cbd771032afd93ffa9dea9920d470)
Omega Speedmaster. Moonwatch $2250.00
A Omega Speedmaster Moonwatch with its original box and manual is being sold.
- Box: yes, included
![[WTS] Omega Speedmaster. Tokyo Edition. Rare Bird. Omega Serviced 2024. Clean.](https://preview.redd.it/4xyo7bl9kp7f1.jpeg?auto=webp&s=a7a2408857b2e2d22c7047601c361bcb4da84988)
Omega Speedmaster. Tokyo Edition. Rare Bird. Omega Serviced 2024. Clean.
This Omega Speedmaster Tokyo Edition features a rare design and has been serviced by Omega in 2024. It comes with the original service box, links, and service papers.
- Case Dimensions: 42mm diameter
- Serviced By: Omega
- Service Year: 2024
Omega Speedmaster Reduced Mop Dial Automatic 3534.70.00
A 38mm Omega Speedmaster Reduced Mop Dial Automatic, a chronograph watch with a mechanical automatic movement and stainless steel case.
- Condition: 90%
- Size: 38mm diameter
- Case material: Stainless Steel
- Movement type: Mechanical Automatic

Pre-Owned Omega Speedmaster Pilot 332.10.41.51.01.002
A pre-owned Omega Speedmaster Pilot with a black dial, automatic movement, 41mm stainless steel case, and water resistance to 100 meters.
- Condition: Pre-owned, with faint marks on the sides and back of the case (96%), slight marks on the links and clasp (93%), minor wear on an OEM strap (97%)
- Case size: 41mm diameter
- Material: Stainless Steel
- Dial color: Black
![[WTS] Omega Speedmaster Professional - Hesalite - on strap or bracelet - full kit](https://external-preview.redd.it/5cypGF4RO97K6Q2r4jl2pS2Rmo4oZgHS82v3rs5jnXw.jpeg?auto=webp&s=b5ff24727624c963c54aba2d600ff561094868a7)
Omega Speedmaster Professional - Hesalite - on strap or bracelet - full kit
This Omega Speedmaster Professional is a Hesalite version, sold on the original factory fabric strap or an Omega factory bracelet. It comes in full kit with inner and outer boxes, chronometer card, pictogram card, Jomashop warranty card, hang tags, and case back sticker.
- Condition: Very good used condition
- Strap/bracelet options: original factory strap and Omega factory bracelet
- Case condition: a few hairlines visible on polished portions
Omega De Ville 36mm with Speedmaster Cal. 1861 Movement
This Omega De Ville Prestige chronograph features a 36.1mm stainless steel case, hand-wound Cal. 1861 chronograph movement, and dauphine-style hands on a black color dial.
- Condition: Excellent condition with minor wear marks on case and bracelet
- Case size: 36.1 mm
- Lug width: 19 mm
- Movement: Cal. 1861
![[WTS] Omega Speedmaster 3513.50 | $1500+Shipping| USA only](https://external-preview.redd.it/dXbRVEBsCCdwkVQ3KHnVwUMD7ZSc_OrNY3b21ZCbAm0.jpg?auto=webp&s=5eafe31bd2e95c9f51b0cde31de0ca00a40fb0b2)
Omega Speedmaster 3513.50 | $1500+Shipping| USA only
A 39mm stainless steel Omega Speedmaster Date 3513.50, featuring an automatic chronograph movement (Caliber 1152) and a clean black dial with triple register layout.
- Condition: good with signs of wear
- Case Size: 39mm diameter
- Movement Type: automatic chronograph
- Water Resistance: 100m depth rating
![[WTS] Omega 36mm with Speedmaster Cal. 1861 Movement $1,999](https://preview.redd.it/2kfcxdhfoi7f1.jpeg?auto=webp&s=4a0577e1e629144acd5f719ab26f8265f1057348)
Omega 36mm with Speedmaster Cal. 1861 Movement $1,999
This Omega De Ville Prestige chronograph is a rare hidden gem from the 90's Omega catalog, featuring a 36.1 mm stainless steel case and hand-wound Cal. 1861 chronograph movement.
- Condition: excellent with minor wear marks on case and bracelet
- Case size: 36.1mm diameter
- Lug width: 19mm
- Movement: Cal. 1861
Omega Speedmaster Chronoscope Co-Axial 43mm 329.30.43.51.02.001
A unique version of the Speedmaster, featuring a modern twist on classic Omega designs with distinctive timing scales and a beautiful dial.
- Condition: Excellent
- Case size: 43mm diameter
- Water resistance: 30m