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.
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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 ‘Sapphire Sandwich’ Moonwatch White, B+P 2025](https://preview.redd.it/440yncafvg8g1.jpg?width=640&crop=smart&auto=webp&s=8b29e463e040ea10d35ef52f7b21be687f462d32)
Omega Speedmaster ‘Sapphire Sandwich’ Moonwatch White, B+P 2025
This is a white Omega Speedmaster 'Sapphire Sandwich' Moonwatch, featuring a 42mm case size and Omega 3861 movement.
- Condition: Very Good preowned condition with minor hairlines from light handling
- Case size: 42mm
- Movement: Omega 3861
- Power reserve: 5 hours
![[WTS] Omega Speedmaster FOIS | 310.30.40.50.06.001 | Complete Box & Papers 2024 | $6,849 Shipped](https://preview.redd.it/u4stkdk8ug8g1.jpg?width=640&crop=smart&auto=webp&s=265240e95d8feb8ae7c75120087dac870ad3b0cb)
Omega Speedmaster FOIS | 310.30.40.50.06.001 | Complete Box & Papers 2024 | $6,849 Shipped
This Omega Speedmaster "First Omega in Space" (FOIS) model is a historically faithful modern reference that pays homage to the watch worn by astronaut Walter Schirra during the Mercury-Atlas 8 mission. It has a straight-lug case, symmetrical profile, and hesalite crystal.
- Condition: Excellent / near-mint
- Case diameter: 40mm
- Crystal material: hesalite
- Year purchased: 2024
![[WTS] Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET](https://preview.redd.it/7qciifxi6g8g1.jpg?width=640&crop=smart&auto=webp&s=c98cac85306b2441b5f7542dc5dc838b3a0d4f73)
Omega Speedmaster Dark Side of the Moon 311.92.44.30.01.001 | Ceramic |FULL SET
This Omega Speedmaster Dark Side of the Moon features a full-ceramic case and buckle, presented in excellent condition.
- Condition: Mint, like-new
- Case material: Full ceramic
- Year: 2019
![[WTS] Omega Speedmaster “First Omega in Space” FOISRef: 310.30.40.50.06.001 | 2025 | Full Set | Very Good Condition | Active Factory Warranty](https://preview.redd.it/y1kyki1lrf8g1.jpg?width=640&crop=smart&auto=webp&s=bc0838ec47c0cc4230b545962a8eb0300c179a21)
Omega Speedmaster “First Omega in Space” FOISRef: 310.30.40.50.06.001 | 2025 | Full Set | Very Good Condition | Active Factory Warranty
This Omega Speedmaster is known as the 'First Omega in Space' with a FOIS reference number, specifically Ref: 310.30.40.50.06.001, from the year 2025.
- Condition: Very Good
![[WTS] Omega Speedmaster Moonwatch Professional White dial Black rubber strap 42mm Box & Papers 310.32.42.50.04.001](https://preview.redd.it/mcdej32bgf8g1.jpg?width=640&crop=smart&auto=webp&s=578a2e60a6affe94e67de482dae6ae2c8ab9a7d0)
Omega Speedmaster Moonwatch Professional White dial Black rubber strap 42mm Box & Papers 310.32.42.50.04.001
This Omega Speedmaster Moonwatch Professional features a white dial on a black rubber strap, with a 42mm case and various complications including a chronograph and tachymeter.
- Condition: Excellent
- Case Material:
- Diameter: 42mm
- Water Resistance:
![[WTS] Omega Vintage Speedmaster Bracelet 1496 (18mm end-links)](https://preview.redd.it/seynkfxrbf8g1.jpg?width=640&crop=smart&auto=webp&s=22d94fe296d281534111399c2c35da94331863ba)
Omega Vintage Speedmaster Bracelet 1496 (18mm end-links)
Up for sale is my Omega 1496 bracelet with 18mm endlinks (ref#813) that I had on my Speedmaster Reduced, now collecting dust.
- Condition: good shape for its age
- End links size: 18mm
![[WTS] Omega Speedmaster. 39mm. Automatic. $1550 only !!](https://preview.redd.it/zia60j153e8g1.jpeg?auto=webp&s=6308933ec939373a03878934f928a76103e0e8a2)
Omega Speedmaster. 39mm. Automatic. $1550 only !!
This Omega Speedmaster is a 39mm automatic chronograph watch with an AM strap.
- Condition: Very nice
- Case Size: 39mm diameter
- Movement Type: Automatic
![[WTS] 1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract](https://external-preview.redd.it/l8DDFtmJVJnFvF9famKVm67DnsH6mB5c_b1MR5QdNYw.jpeg?auto=webp&s=bf4f63d23645431d43113e057cef34cb2d9f6e4f)
1991 Omega Speedmaster Moonwatch Ref 3590.50 with abstract
A 1991 Omega Speedmaster Moonwatch with a caliber 861 movement and tritium dial and hands, in excellent condition and appearing unpolished.
- Condition: Excellent, unpolished
- Movement: Caliber 861
- Serial number: 482774XX
- Bracelet size range: fits wrists over 7.5"
2022 Omega Speedmaster Moonwatch Sapphire 42mm 310.30.42.50.01.002 Mint Complete
This 2022 Omega Speedmaster Moonwatch Sapphire 42mm is a first watch worn on the moon, featuring photos and a video on the seller's website.
- Condition: Minty fresh
- Case size: 42mm
- Year: 2022
- Contents: watch,inner & outer boxes,warranty card,pictogram,master chronometer,instruction booklet,black travel case,hang tag,cleaning cloth,Moonwatch Booklet