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
Omega Snoopy Speedmaster 310.32.42.50.02.001
This Omega Silver Snoopy Speedmaster is a brand-new Ref 310.32.42.50.02.001, complete with accessories.
- Condition: Brand new
- Box: double box
- Accessories: includes loupe, special booklet, regular booklet, serial tag, 3 cards with warranty stamped and dated 2/26/2025
Omega Speedmaster Moonwatch Moonshine!
Omega Speedmaster Moonwatch Professional in Moonshine Gold, 42mm case size.
- Condition: Great condition with very light wear
- Case Size: 42 mm
- Box Contents: Big box, special booklet, regular booklet, full links, warranty card

Omega Speedmaster Moon Chrono 311.30.42.30.01.005, 42 mm, Hesalite, Complete 2021
This Omega Speedmaster Moon Chrono is a manual-winding chronograph movement with Rhodium-plated finish, featuring a black dial and 48 hours power reserve. It has a stainless steel case and bracelet with deployment buckle.
- Condition: Near mint condition
- Case diameter: 42 mm
- Between lugs: 20 mm
- Thickness: 13.8 mm
Omega Speedmaster Moonwatch Two Counters 311.33.44.51.01.001 Like New
This Omega Speedmaster Moonwatch Two Counter is in pristine condition, with a new-feeling strap and included accessories such as the full box set, pictogram card, and serialized hang tag.
- Condition: Like new
- Box set included: true
- Strap included: false
Omega Speedmaster Automatic Chronograph Date 3813.53
This Omega Speedmaster Automatic Chronograph Date is a stainless steel watch with a mechanical automatic movement.
- Condition: 85%
- Model: Speedmaster Automatic Chronograph Date
- Size: 39mm diameter
- Functions: Chronograph,Date

Omega FOIS Speedmaster Moonwatch B+P Warranty
This Omega Speedmaster Moonwatch is a First Omega In Space (FOIS) edition with a blue-grey dial and black anodized aluminum bezel. It features a stainless steel case and brush-polished outer link bracelet.
- Condition: Near Mint, 96%
- Case size: 39.7mm
- Movement: 3861 manual winding
- Power reserve: 50 hours
Omega Speedmaster Moonwatch "Sapphire Sandwich" - 310.30.42.50.01.002 - EXC
This Omega Speedmaster Moonwatch features a 42mm stainless steel case and black dial. It is powered by a manual winding movement and comes with various accessories, including an Omega box set and instruction manual.
- Condition: Pre-Owned Excellent
- Case Size: 42mm
- Bracelet Type: Stainless Steel
- Movement: Manual Winding

2000 Omega Speedmaster 'Reduced' Ref. 3510.50
The Omega Speedmaster 'Reduced' Ref. 3510.50 is a great entry into the Omega family, measuring at 39mm with a good condition bracelet, case, and bezel.
- Condition: Excellent(little to no wear)
- Year: 2000
- Movement: Automatic
- Case width: 39mm diameter
2022 Omega Speedmaster Moonwatch Professional Hesalite 42mm 310.30.42.50.01.001
A 2022 Omega Speedmaster Moonwatch Professional Hesalite 42mm, the first watch worn on the moon.
- Condition: Excellent Pre-owned condition
- Box And Paper: Complete set comes with inner & outer boxes, Warranty Card, Pictogram, Master Chronometer, instruction booklet and black travel case
- Accessories: original sticker, cleaning cloth and Moonwatch Booklet