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

Omega Speedmaster Moonwatch 3861 - White - 310.30.42.50.04.001 ( excellent )
Up for sale is an excellent condition Omega Speedmaster Moonwatch Professional White Dial Sapphire on Bracelet, reference # 310.30.42.50.04.001 It comes with all boxes, papers, booklets, and Omega Warranty Card dated August 2024.
- Condition: Excellent
- Case Size: 42mm
- Material: Stainless Steel

Omega Speedmaster Racing - 44.25mm - Orange - 329.32.44.51.01.001 (excellent)
A black and orange dial Omega Speedmaster Racing in excellent condition, complete with all original boxes, papers, and warranty card.
- Condition: Excellent
- Case Size: 44.25mm
- Movement Type: Master Co-Axial 9900 Chronometer

Omega Speedmaster Professional Moonwatch 311.33.42.30.01.001
This Omega Speedmaster Professional Moonwatch comes in excellent condition and includes various accessories such as boxes, book, velcro strap, nato strap, and warranty card.
- Condition: Excellent condition
- Shipping: yes

Omega Speedmaster Professional Tokyo 2020 522.30.42.30.03.001
A 2020 Omega Speedmaster Professional edition, featuring a distinctive design and high-quality materials. This watch comes with its original boxes and books, but note that the warranty card is missing.
- Condition: Excellent condition
- Boxes: 1
- Books: 1
�Reduced Price� OMEGA Speedmaster Racing 329.32.44.51.06.001
The OMEGA Speedmaster Racing features a striking design with a bold black dial and orange accents, built for the discerning watch enthusiast.
- Condition: Excellent, lightly worn
- Movement: Caliber 9900 Certified chronometer
- Case size: 44.25mm diameter
- Water resistance: 50m depth rating

NEW Omega Apollo 8 Speedmaster Dark Side of the Moon Rocket Second Hand 2024
A new Omega Speedmaster Apollo 8 Dark Side of the Moon, featuring a 44.25mm ceramic case and manual winding caliber 3869 with skeletonised movement.
- Condition: Brand New
- Case material: ceramic
- Case size: 44.25mm diameter
Omega Speedmaster Moonwatch - 310.30.42.50.04.001 - White - Steel - 42mm - LNIB
Omega Speedmaster Moonwatch 'Professional' in white, stainless steel case with manual winding movement.
- Condition: Pre-Owned Like New
- Case size: 42mm
- Bracelet type: Stainless Steel
- Dial color: White

2012 Omega Speedmaster 'Reduced' Ref. 3539.50 with Box & Papers
The Omega Speedmaster Reduced Automatic is a great entry into Omega, featuring a scratch-resistant sapphire crystal and fold-over clasp. This super luminova example is in excellent pre-owned condition with no major flaws to note.
- Condition: Excellent
- Movement: Automatic
- Case width: 39mm diameter
- Strap length: 7.50"

Omega SPEEDMASTER SILVER SNOOPY AWARD 50TH ANNIVERSARY EXTRA 3861 BRACELET 2025
This 2025 Omega Speedmaster Professional Moonwatch is a 50th Anniversary Silver Snoopy Award model with a silver dial and blue subdials. It comes with a stainless steel case on a new blue fabric strap and a steel tang buckle.
- Condition: Mint, Unpolished Condition
- Case Size: 42mm
- Bracelet Type: Omega 3861 Speedmaster PCL Bracelet (extra)
- Warranty Left: Under 5 years factory warranty