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][US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set](https://preview.redd.it/k5b01ckr9lwg1.jpg?width=640&crop=smart&auto=webp&s=d5015b4322fc95c0ac185cf31ff488b9cfb081c4)
[US] Omega Speedmaster First Omega in Space - FOiS - 310.30.40.50.06.001 - Full Set
This Omega Speedmaster First Omega in Space is a fully functional watch that comes with a full set of accessories.
- Condition: Fantastic condition with few hairlines on case, clasp, and bracelet
- Case size: 40mm diameter
![[WTS] Omega Speedmaster Grey Side of The Moon 311.93.44.51.99.002 Mint 2025](https://preview.redd.it/mspc0oqeokwg1.jpg?width=640&crop=smart&auto=webp&s=c407ec43e3d2f8ce32047878ed80b14f786b093a)
Omega Speedmaster Grey Side of The Moon 311.93.44.51.99.002 Mint 2025
This Omega Speedmaster Grey Side of The Moon is for sale in a very mint condition with no flaws and comes as a fully complete set.
- Condition: Mint condition
- Warranty Card Date: April 2025
- Shipping Method: WW insured shipping
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Omega Speedmaster '57 - current gen - warranty till Apr 2027 (price reduced)
Up for sale is my April 29, 2022 dated Omega Speedmaster '57, current generation, with warranty till Apr 2027.
- Condition: Pre-owned, very good condition with minor scratches and marks
- Dimensions: 40mm diameter
- Bracelet length: 17cm
![[WTS] Omega Speedmaster Professional Moonwatch ST 145.022-69 (1972)](https://preview.redd.it/s5urwb750hwg1.jpeg?auto=webp&s=61cd9082f7e81c37bb6e5bd2e53a14b26cea4179)
Omega Speedmaster Professional Moonwatch ST 145.022-69 (1972)
A 1972 Omega Speedmaster Professional Moonwatch with a manual wind Cal. 861 movement, 42mm stainless steel case, and black dial with three registers.
- Condition: some scratches on the bezel and crystal, some marks on the case
- Movement: Cal. 861
- Case size: 42mm diameter
- Water resistance: 30m depth rating
![[WTS]🐼NEW 2026 OMEGA SPEEDMASTER REVERSE PANDA](https://preview.redd.it/mfbuthnhsgwg1.jpg?width=640&crop=smart&auto=webp&s=bee3b31fe14adfd7f9fcb08f6e6536f8170a70a6)
🐼NEW 2026 OMEGA SPEEDMASTER REVERSE PANDA
No description provided.
- Condition: new
- Year: 2026
![[WTS] Omega Speedmaster Pro “Moon to Mars” Edition](https://preview.redd.it/csm49wkchgwg1.jpg?width=640&crop=smart&auto=webp&s=b579885fde04b7f5b72489dfefd8c2ef2d39066c)
Omega Speedmaster Pro “Moon to Mars” Edition
The Omega Speedmaster Pro 'Moon to Mars' Edition features a beautiful dial with subdials painted as Earth, Moon and Mars.
- Condition: Good, with a scratch on the crystal at 1 o'clock
- Bracelet size: 7 inches
- Movement: 1861 manual
- Size: 42mm diameter
![[WTS] Omega Speedmaster Moonwatch Professional 42mm 310.30.42.50.01.002 | 2025 Complete Set](https://preview.redd.it/qe2fhwefagwg1.jpg?width=640&crop=smart&auto=webp&s=ddbbe4c7cfc981882aaa83478ef868b16849e949)
Omega Speedmaster Moonwatch Professional 42mm 310.30.42.50.01.002 | 2025 Complete Set
The Omega Speedmaster Moonwatch Professional is a 42mm watch with an unknown service history.
- Condition: Great Pre-Owned
- Links: 24 Links
- Warranty Years Remaining: 1 year (2025)
![[WTS] Omega Speedmaster. Mother of pearl dial. 39mm. Automatic.](https://preview.redd.it/xfxueay7lfwg1.jpeg?auto=webp&s=bbe5504c73a75b221d28ac2cc76ee1b5acd4424d)
Omega Speedmaster. Mother of pearl dial. 39mm. Automatic.
A 39mm automatic Omega Speedmaster with a mother of pearl dial and OEM omega strap.
- Case size: 39mm
- Movement type: Automatic
![[WTS] Omega Speedmaster Hesalite (ref. 3103042500100)](https://preview.redd.it/f0vppglogfwg1.jpg?width=640&crop=smart&auto=webp&s=cfcb9628fbc668c392c2f718cee19632fa4f49c0)
Omega Speedmaster Hesalite (ref. 3103042500100)
A recently serviced Omega Speedmaster Professional Moonwatch with a newer 3861 movement, featuring Hesalite crystal. The watch comes with full set, including warranty card, pictograms, master chronometer certification, and extra links.
- Condition: Very good, some small marks on the case and desk diving marks on the clasp
- Movement: 3861, newer
- Set included: full set, warranty card dated January 2021, pictograms, master chronometer certification, extra links