Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink / Alligator
Reference 310.23.42.50.99.001
About this watch
The Omega Speedmaster Professional Moonwatch 3861 is a masterpiece of horology that seamlessly blends heritage, luxury, and modern technology. Its stunning pink sunburst dial radiates warmth and elegance, while the Sedna gold accents harmonize beautifully with the stainless steel case. The chronograph function is easily accessible, making it practical for everyday use. At its heart beats the Omega Caliber 3861 movement, featuring a co-axial escapement and silicon balance spring. This timepiece is not just a watch; it's a statement of sophistication and style that pairs well with both formal and casual attire.
Buy Now on Jomashop
This is an affiliate link
Key Features
- Omega Caliber 3861 movement
- Sedna gold accents
- Stainless steel case
- Tachymeter bezel
- Water resistance up to 50 meters
- 42mm diameter
- Co-axial escapement and silicon balance spring
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink / Alligator
- Reference
- 310.23.42.50.99.001
- Movement
- 3861
- Movement Features
-
- Small Seconds, Hours, Minutes
- Chronograph
- Chronometer
- Case
- 42mm
- Dial Color
- Pink
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
![[WTS] Omega Speedmaster Day Date 3523.80](https://preview.redd.it/cdqicxdebdvg1.jpg?width=640&crop=smart&auto=webp&s=046263cf0de104b6a65f2ada5abde2fcc8584e60)
Omega Speedmaster Day Date 3523.80
For sale is an Omega Speedmaster Day Date with a beautiful blue dial, in excellent condition and running super solid.
- Condition: excellent
- Payment methods accepted: crypto, other (with small fee)
- Location: southwest FL
- Open to trades for: Tudor, Cartier, Rolex, Omega, Breitling, AP
![[WTS] Omega Speedmaster Broad Arrow 3594.50](https://preview.redd.it/gayeq1zv8dvg1.jpg?width=640&crop=smart&auto=webp&s=d72dd95b615896fefb2d1bac41ddebfc77c1d46d)
Omega Speedmaster Broad Arrow 3594.50
A pre-owned Omega Speedmaster Broad Arrow in excellent condition with very little wear.
- Condition: Excellent condition with very little wear
- Payment Methods Accepted: Multiple payment methods including crypto
- Available To Trade For: Tudor, Cartier, Rolex, Omega, Breitling, AP
![[WTS] Omega Speedmaster Reduced 3510.50 2 AVAILABLE](https://preview.redd.it/laj664k04dvg1.jpg?width=640&crop=smart&auto=webp&s=271c21d9474d58c99a23c74ee3c3dfd6d76ea9a0)
Omega Speedmaster Reduced 3510.50 2 AVAILABLE
Two Omega Speedmaster Reduced in great condition for sale, both running solid and coming as watch only.
- Condition: Great condition, some light wear
- Bracelet condition: Pretty good
- Crystals condition: 0 or very minimal scratches
![[WTS] Omega Speedmaster 3210.50 Black Dial $2,090](https://preview.redd.it/mb3rosbhycvg1.jpeg?auto=webp&s=5c4b00f88fd1a4f5d7cd1b1547fd1e8e38d784d4)
Omega Speedmaster 3210.50 Black Dial $2,090
The Omega Speedmaster Date is a 40mm stainless steel automatic chronograph with a black dial and tachymeter bezel, featuring a sporty classic look and an automatic movement.
- Condition: pre-owned, good condition with scuffs due to age
- Case size: 40mm diameter
- Lug-to-lug length: 45mm
- Lug width: 19mm
![[WTS] INCREDIBLE Vintage 18K Gold Omega Speedmaster Tribute to Astronauts Ref BA145.022 Unpolished Holy Grail Example!!!](https://external-preview.redd.it/OTR0dmpheDBoOXZnMRf4eo2-7cgvoWVD3RL1pC0lhXo0jy2-7GzbfrTZ7WN3.png?format=pjpg&auto=webp&s=6106d2ef05c49a4f853f32b41fce79ae3c04e926)
INCREDIBLE Vintage 18K Gold Omega Speedmaster Tribute to Astronauts Ref BA145.022 Unpolished Holy Grail Example!!!
This is a vintage Omega Speedmaster Tribute to Astronauts ref BA145.022-69, one of the first solid gold Speedmasters produced in 1969.
- Condition: Excellent, unpolished with patina
- Case size: 42mm diameter
- Bracelet length: 7.5 inches
- Movement: Lemania-based hand wound caliber 861
![[WTS] Omega Speedmaster '57 - current gen - warranty till Apr 2027](https://preview.redd.it/5b9huqved9vg1.jpg?width=640&crop=smart&auto=webp&s=3283361e9d558e6db02125b7ca1513a2bce4d501)
Omega Speedmaster '57 - current gen - warranty till Apr 2027
A current generation Omega Speedmaster '57 with a April 29, 2022 date, featuring a scratch on the crystal near 12 o'clock.
- Condition: Very good, hairlines and desk diving marks
- Bracelet size: 17cm
- Box included: yes
- Warranty expiration date: Apr 2027
![[WTS] Omega Speedmaster Triple Calendar w/ EBay authentication](https://preview.redd.it/0nyjb27y69vg1.jpg?width=640&crop=smart&auto=webp&s=c11b0ea48a374fe526923cca9ba23f390be91363)
Omega Speedmaster Triple Calendar w/ EBay authentication
This Omega Speedmaster features an automatic chronograph, day, month, and year calendar with a clean and uncluttered dial. The watch is 42 mm in size but wears smaller on the wrist.
- Condition: Good condition, some signs of use
- Size: 42mm diameter, 40-41mm on the wrist
- Authentication: eBay authenticated
![[WTS] 2024 Omega Speedmaster 38mm Diamond Bezel Gray Dial Full Set Excellent Condition - 324.38.38.50.06.001](https://preview.redd.it/cfi0qcorl8vg1.jpg?width=640&crop=smart&auto=webp&s=98a07fca5aad5db2eb782f5db0efc447f04ffe53)
2024 Omega Speedmaster 38mm Diamond Bezel Gray Dial Full Set Excellent Condition - 324.38.38.50.06.001
2024 Omega Speedmaster 38mm Diamond Bezel Gray Dial Full Set, in excellent condition.
- Diameter: 38mm
![[WTS] New 2026 Omega Speedmaster Professional Hesalite Full Set only $6400](https://preview.redd.it/uklc01q6m6vg1.jpg?width=640&crop=smart&auto=webp&s=524c93060160ba524c4f2c1c574f8e6920a4e0ba)
New 2026 Omega Speedmaster Professional Hesalite Full Set only $6400
This brand new Omega Speedmaster Professional is presented in pristine condition and comes complete with its original full set, including a factory warranty card dated 2026.
- Condition: pristine, unworn
- Warranty: 5-year international warranty
- Price Comparison: list price from authorized dealer: $7800 plus tax