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] 2025 Omega Speedmaster Sedna Gold 310.60.42.50.01.001 — Like New Condition, Box & Papers](https://preview.redd.it/ucn3koapzfvg1.jpeg?auto=webp&s=4ea0c5e661c22c8a1eeb727ce4f08a54d99f8bab)
2025 Omega Speedmaster Sedna Gold 310.60.42.50.01.001 — Like New Condition, Box & Papers
The Omega Speedmaster Sedna Gold is a modern take on the iconic Moonwatch design, featuring Sedna gold and a rich black dial with contrasting subdials. It's powered by a manual-wind movement that blends classic heritage with modern performance.
- Condition: Like new, small ding on bezel near 12 o'clock
- Box Papers: Yes
- Movement: Master Chronometer manual-wind
![[WTS] Omega Speedmaster Racing 40mm - Reverse Panda - Jan 2026 Full Set - Warranty until 2031](https://preview.redd.it/l8rkifzs1hvg1.jpg?width=640&crop=smart&auto=webp&s=c4a7cdf54a05c502cbd7b4d79225cbef91384b97)
Omega Speedmaster Racing 40mm - Reverse Panda - Jan 2026 Full Set - Warranty until 2031
This is a rare 'fresh' example of the Omega Speedmaster Racing series, purchased from an AD in Japan on January 20, 2026, and featuring a black dial with silver sub-dials.
- Condition: Mint, with minor scuff on clasp
- Case size: 40mm diameter
- Movement: Omega Calibre 3330, Co-Axial Chronometer with Si14 Silicon Balance Spring
- Power reserve: 52 hours
![[WTS] Omega Speedmaster Date 3211.31.00 — Panda Dial — Big Seahorse Caseback — Fresh Service — $2599 Shipped (Tariff Covered)](https://preview.redd.it/z84zwzdrpgvg1.jpg?width=640&crop=smart&auto=webp&s=b01c140ac60fa6a2abe41e172455e8387383b07f)
Omega Speedmaster Date 3211.31.00 — Panda Dial — Big Seahorse Caseback — Fresh Service — $2599 Shipped (Tariff Covered)
Up for sale is an Omega Speedmaster Date featuring a clean silver ‘panda’ dial with black subdials and subtle red accents. The stainless steel case measures 40mm in diameter, approximately 46mm lug-to-lug, ~15mm thickness, and 20mm lug width.
- Condition: pre-owned, unpolished case with honest wear
- Case size: 40mm diameter
- Lug-to-lug length: 46mm
- Thickness: ~15mm
![[WTS] Chocolate Omega Speedmaster Moonphase Two Tone](https://preview.redd.it/w9uqbx13fgvg1.jpg?width=640&crop=smart&auto=webp&s=9385eace04199835652e53045218188187342899)
Chocolate Omega Speedmaster Moonphase Two Tone
A two-tone Omega Speedmaster Moonphase with a chocolate dial, featuring the Cal 9904 movement.
- Condition: very good condition with some normal wear
- Movement: Cal 9904
- Size: 44mm diameter
![[WTS] Omega Speedmaster Reduced. 3510.50.](https://preview.redd.it/3aky6g5ypfvg1.jpeg?auto=webp&s=b5e2aa4466c8fde19a40d56987d9287bcc3d9a30)
Omega Speedmaster Reduced. 3510.50.
This Omega Speedmaster Reduced is being sold in good condition and has an aftermarket strap. The watch comes with shipping from NJ USA.
- Condition: Clean, runs well
- Strap: Aftermarket strap
![[WTS] Omega Speedmaster Moonwatch Titanium Co-Axial 311.93.44.51.03.001 - 9.9/10 - $6,250](https://preview.redd.it/qz0kvuro1evg1.jpg?width=640&crop=smart&auto=webp&s=dbd1014c28f4f0da9cce7e123a0d459f50779031)
Omega Speedmaster Moonwatch Titanium Co-Axial 311.93.44.51.03.001 - 9.9/10 - $6,250
A sharp example of the Omega Speedmaster Moonwatch Co-Axial Titanium, featuring a 44.25mm titanium case and blue ceramic tachymetric bezel.
- Condition: 9.9/10
- Case size: 44.25mm diameter
- Power reserve: 60 hours
![[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