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.
Buy Now on Jomashop
This is an affiliate link
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] Omega Speedmaster Racing - 329.30.44.51.01.001 - Box and Papers - Price Reduced!](https://preview.redd.it/3vcbc5sxpqmg1.jpg?width=640&crop=smart&auto=webp&s=b291522a115ab9ca0d33f1b08135392bfb2ab4d6)
![[WTS] Omega Speedmaster 3861 Moonwatch - Sapphire - 310.30.42.50.01.002 (Full Set in Excelent Condition)](https://preview.redd.it/l20dg7z3tpmg1.png?width=640&crop=smart&auto=webp&s=0164b7a867aedf522d2a7bca327743d2c01d2777)
![[WTS] Omega Speedmaster Date 3511.80.00](https://preview.redd.it/hfyntkyhfpmg1.jpg?width=640&crop=smart&auto=webp&s=baf77bf06ba34ea59819ab7a3bd9f008d94272c6)
![[WTS] Omega Speedmaster 105-002-62 -factory 7912 - 6 endlinks 24 links - no stretch. Perfect dial. $20,000 super nice example.](https://preview.redd.it/zootv73seomg1.jpg?width=640&crop=smart&auto=webp&s=eedd9b8624430398659fadd973bfc40954f5a0ba)
Omega Speedmaster 105-002-62 -factory 7912 - 6 endlinks 24 links - no stretch. Perfect dial. $20,000 super nice example.
This Omega Speedmaster is a super nice example with no stretch and a perfect dial.
- Endlink count: 24
- Stretch: no stretch
![[WTS] Omega Speedmaster Professional Sapphire Sandwich (2025) – Adjustable Clasp – Near Mint – $6,800](https://preview.redd.it/b6tu7f4w0nmg1.jpg?width=640&crop=smart&auto=webp&s=d496a7e7231532ca8d0ef9d23c27f27248ebcad5)
Omega Speedmaster Professional Sapphire Sandwich (2025) – Adjustable Clasp – Near Mint – $6,800
The Omega Speedmaster Professional Sapphire Sandwich is a high-end watch with an updated adjustable clasp, offering convenient sizing without tools. The watch features a sapphire crystal and is available in the 2025 model.
- Condition: Near mint
- Year: 2025
- Crystal material: Sapphire
- Bracelet type: Omega
![[WTS] 2026 Omega Speedmaster White Dial 310.32.42.50.04.001](https://preview.redd.it/s5y3kqlpmkmg1.jpg?width=640&crop=smart&auto=webp&s=777b89bdc40dad7f3d198ac8582fa59d41ac16b9)
2026 Omega Speedmaster White Dial 310.32.42.50.04.001
a 2026 Omega Speedmaster White Dial is being sold in this listing, but no details are provided about its condition or features.
![[WTS] Omega Speedmaster “Silver Snoopy Award” 50th anniversary ref 310.32.42.50.02.001](https://preview.redd.it/es1pc8qjcjmg1.jpeg?auto=webp&s=3e9046a134f60257c8aae75092228c986203d55a)
Omega Speedmaster “Silver Snoopy Award” 50th anniversary ref 310.32.42.50.02.001
The Omega Speedmaster 'Silver Snoopy Award' 50th anniversary watch features a white and blue combo that is highly desirable.
- Condition: Unworn
- Set type: Complete set
![[WTS] Omega Speedmaster Moonwatch White Dial 2025 Full Set $8,000 [USA]](https://preview.redd.it/72eerukf0img1.jpg?width=640&crop=smart&auto=webp&s=c280fed6edc615a576c8a7b7e087eb74025ef33b)
Omega Speedmaster Moonwatch White Dial 2025 Full Set $8,000 [USA]
A white Omega Speedmaster Moonwatch from the iconic company that sent the first watch to the moon, with minor marks and a full set.
- Condition: very lightly worn with minor marks
- Year: 2025
- Dimensions: 42mm diameter
- Bracelet size: 7.25"
![[WTS] 2025 Omega Speedmaster Professional White 310.30.42.50.04.001 $7,490](https://preview.redd.it/be30vtx5vhmg1.jpeg?auto=webp&s=806d35eecfae5e005cd2a753cced15ace4329cb8)
2025 Omega Speedmaster Professional White 310.30.42.50.04.001 $7,490
The Omega Speedmaster Moonwatch Professional features a glossy white lacquered dial, black markers, and red 'Speedmaster' text, with an updated 3861 movement and a sapphire crystal.
- Condition: Excellent condition
- Case Size: 42mm
- Case Thickness: 13.2mm
- Lug Width: 20mm