Omega Speedmaster Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink
Reference 310.20.42.50.99.001
About this watch
The Omega Speedmaster Professional Moonwatch 310.20.42.50.99.001 is a stunning blend of tradition and innovation, featuring a unique Sedna Gold and pink finish. Its 42mm stainless steel case and Sedna Gold accents command attention, while the remarkable Omega caliber 3861 movement boasts a co-axial escapement, reducing friction for enhanced accuracy and longevity. Certified by METAS as a Master Chronometer, this watch can resist magnetic fields reaching an impressive 15,000 gauss. The sunburst pink finish adds sophistication, making it perfect for both casual and formal settings.
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Key Features
- Omega caliber 3861 movement
- 42mm stainless steel case
- Sedna Gold accents
- Co-axial escapement
- Master Chronometer certified by METAS
- 50m water resistance
- Chronograph function
Specifications
- Brand
- Omega
- Family
- Speedmaster
- Model
- Speedmaster Professional Moonwatch 3861 Stainless Steel - Sedna Gold / Pink
- Reference
- 310.20.42.50.99.001
- Movement
- 3861
- Movement Features
-
- Small Seconds, Hours, Minutes
- Chronograph
- Chronometer
- Case
- 42mm
- Dial Color
- Pink
- Crystal
- Sapphire
- Water Resistance
- 50
Current Listings
![[WTS] 2021 OMEGA SPEEDMASTER PROFESSIONAL
310.30.42.50.01.002](https://preview.redd.it/c5173q9hjtwg1.jpg?width=640&crop=smart&auto=webp&s=89f675055c882d2fde6b7411f125db4990bad424)
2021 OMEGA SPEEDMASTER PROFESSIONAL 310.30.42.50.01.002
2021 OMEGA SPEEDMASTER PROFESSIONAL features a manual wind movement, 50 hour power reserve, and 42mm case size. It also comes with a sapphire crystal and 50 meters water resistance.
- Condition: Pre owned, cosmetic condition 7/10
- Case size: 42mm diameter
- Bracelet material: tapered stainless steel
- Movement: manual wind 3861
![[WTS] Omega Speedmaster Professional "Sapphire Sandwich" (Ref. 310.30.42.50.01.002)/Full set](https://preview.redd.it/mggkhnisqswg1.jpg?width=640&crop=smart&auto=webp&s=86c573acca1fdc289bb96fa9d1f88667fe4ae0e6)
Omega Speedmaster Professional "Sapphire Sandwich" (Ref. 310.30.42.50.01.002)/Full set
This Omega Speedmaster Professional, also known as the Sapphire Sandwich, is a manual-wind watch with a Master Chronometer movement and features a stunning Caliber 3861 movement visible through an exhibition caseback.
- Condition: pristine
- Purchase Price: 9000
- Dimensions: 42mm diameter, 20mm lug width
- Bracelet Type: tapered
![[WTS] 3510.50 Omega Reduced Speedmaster Excellent vintage condition with original warranty card Serviced recently](https://preview.redd.it/iynqks9o4swg1.jpg?width=640&crop=smart&auto=webp&s=8897e5365de51e5712a274bc4ac209f3c69490b8)
3510.50 Omega Reduced Speedmaster Excellent vintage condition with original warranty card Serviced recently
This is a 26-year-old Omega Reduced Speedmaster in excellent vintage condition, with original warranty card and recently serviced movement.
- Condition: Excellent vintage condition
- Warranty card: Original warranty card included
- Movement serviced: Recently serviced movement
![[WTS] Omega Speedmaster Date Chronometer 3210.50.00 — Cal. 1164 (Serviced) — $2,099 Shipped (Tariff Coverd)](https://preview.redd.it/ka2xqc4g1swg1.jpg?width=640&crop=smart&auto=webp&s=e188a2a64929c521776819fafa70cba4b86b121b)
![[WTS] Omega Speedmaster Professional 🌘 Moonwatch 🌒 Sapphire Sandwich LNIB 9/25](https://preview.redd.it/0u4carhalrwg1.jpg?width=640&crop=smart&auto=webp&s=360ecc092648606031b27924692bda836043806d)
Omega Speedmaster Professional 🌘 Moonwatch 🌒 Sapphire Sandwich LNIB 9/25
A Omega Speedmaster Professional in like new condition with a sapphire sandwich case and reference number 310.30.42.50.01.002.
- Condition: Like new
- Missing items: outer box, user's manual, Moonwatch booklet, outer pillow
![[WTS] Omega Speedmaster Professional Reverse New Apr 2026, $10.2k](https://preview.redd.it/8gknzybczqwg1.jpg?width=640&crop=smart&auto=webp&s=8a4a2de1ca7e9b458516d0a3d4c8ed0f31c92dfa)
Omega Speedmaster Professional Reverse New Apr 2026, $10.2k
This Omega Speedmaster Professional Reverse is a brand new watch with a reference number of 310.30.42.50.01.004, coming with its original box and April 2026 warranty.
- Condition: Brand New
- Shipping cost: $200 for USA shipping
- Payment methods: Wire or Credit Card (+4.9% and 4 days clearance)
- Warranty: Apr 2026 warranty
![[WTS] 2021 Omega Speedmaster Racing 329.32.44.51.01.001 Orange Full Set - $6,495](https://preview.redd.it/0dlv8l4txqwg1.jpg?width=640&crop=smart&auto=webp&s=fcbba1362f01fcedc8d23c2b901e575d3c64ecc1)
2021 Omega Speedmaster Racing 329.32.44.51.01.001 Orange Full Set - $6,495
A 2021 Omega Speedmaster Racing in excellent condition with minimal signs of wear, featuring a orange full set including the watch, inner and outer box, card holder, international warranty card, pictograms card, master chronometer card, and instructions manual.
- Condition: Excellent condition with minimal signs of wear
- Year: 2021
- Contents: Watch, Inner & Outer Box, Card Holder, International Warranty Card, Pictograms Card, Master Chronometer Card, Instructions Manual
- Shipping Method: Fedex
![[WTS] 2024 OMEGA SPEEDMASTER WHITE DIAL
310.30.42.50.04.001 $7299](https://preview.redd.it/5kisf5jftqwg1.jpg?width=640&crop=smart&auto=webp&s=0e1c0065fceb289a1789a12b61889f26e6804f73)
2024 OMEGA SPEEDMASTER WHITE DIAL 310.30.42.50.04.001 $7299
2024 OMEGA SPEEDMASTER WHITE DIAL for sale
![[WTS] OMEGA Speedmaster Professional Moonwatch Sapphire Sandwich 311.30.42.30.01.006 Full Set](https://preview.redd.it/1cfjmufkiowg1.jpg?width=640&crop=smart&auto=webp&s=93fb58b1d5dd73a44a282546c8332db31a6f56af)
OMEGA Speedmaster Professional Moonwatch Sapphire Sandwich 311.30.42.30.01.006 Full Set
The OMEGA Speedmaster Professional Moonwatch Sapphire Sandwich is a highly sought-after watch featuring a sapphire crystal configuration, display caseback, and classic Moonwatch design.
- Condition: Mint condition with hairline scratches on clasp and around the case
- Band type: Original bracelet, nylon strap