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] Omega Speedmaster Reduced, ref. 175.0032.1, Factory Service Papers, Box, Accessories](https://preview.redd.it/op0dgcgrhecg1.jpg?width=640&crop=smart&auto=webp&s=e5daa151f8f5de8594d311ee078929adb982532f)
Omega Speedmaster Reduced, ref. 175.0032.1, Factory Service Papers, Box, Accessories
The Omega Speedmaster Reduced is a beautiful watch in excellent condition, with factory service papers and box included.
- Condition: Excellent
- Service cost: $850
- Year of service: 2019
![[WTS] Omega Speedmaster Moonphase BOX AND PAPERS 304.33.44.52.03.001](https://preview.redd.it/ms7itrbgaecg1.jpg?width=640&crop=smart&auto=webp&s=97892142983957737f9643628c9a290f5ab59774)
Omega Speedmaster Moonphase BOX AND PAPERS 304.33.44.52.03.001
For sale is an Omega Speedmaster Moonphase, this watch features a black leather strap with quick release function and comes double boxed with cards including warranty card.
- Condition: Excellent condition with minimal wear on the straps
- Straps: black leather omega strap with quick release function
- Payment Methods Accepted: all payment methods except PayPal, crypto with small fee
- Trading Brands: Tudor, Cartier, Rolex, Omega, Breitling, AP
![[WTS] Omega Speedmaster Sapphire Sandwich](https://preview.redd.it/fmlj7pv55ecg1.jpg?width=640&crop=smart&auto=webp&s=87ad4496644de7cdeaff1428918dbd37be74ac8d)
Omega Speedmaster Sapphire Sandwich
A Omega Speedmaster Sapphire Sandwich, a manual winding watch featuring an original box and papers. The watch has a 42mm size.
- Year: 2025
- Size: 42mm diameter
- Bracelet condition: barely used
![[WTS] OMEGA SPEEDMASTER PROFESSIONAL [WHITE][EXCELLENT CONDITION AND BARELY WORN] $7,700 OBO](https://preview.redd.it/ygzxdmbh3ecg1.jpg?width=640&crop=smart&auto=webp&s=511cfbcfc4c0cf41e4f8a62ade0b985bfe586d10)
OMEGA SPEEDMASTER PROFESSIONAL [WHITE][EXCELLENT CONDITION AND BARELY WORN] $7,700 OBO
A well-maintained Omega Speedmaster Professional in excellent condition, barely worn.
- Condition: EXCELLENT CONDITION AND BARELY WORN
- Payment methods: PayPal, Zelle, Venmo
![[WTS] 1979 Omega Speedmaster Professional Moon Watch](https://external-preview.redd.it/Nb4_r9XuQYagiZQZJ51GhN7PJRdiK1IojEh8Yh1Jm8I.jpeg?auto=webp&s=e5ae9665964adbdfda74dfced1697b805ddedb89)
1979 Omega Speedmaster Professional Moon Watch
This 1979 Omega Speedmaster Professional Moon Watch is in excellent condition, featuring its original comfort stretch 1039 bracelet and a manual wind calibre 861 movement. The watch has aged nicely, with great lume and dial details.
- Condition: Excellent with fine scratches, one visible dent in the bracelet and inconsistent timegraph results
- Bracelet type: Comfort stretch 1039
- Case size: 42mm diameter
- Crown size: 43.2mm
![[WTS] Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥](https://preview.redd.it/8ms899ggk6cg1.jpg?width=640&crop=smart&auto=webp&s=82fc58d2c65169b0c36a98c4162a0fd4f2cb5841)
Omega Speedmaster Professional Moonwatch Full Steel 145.022-69 Ghost Bezel Yellow Patina Step Dial 1969 (Serviced) 🔥
This Omega Speedmaster Moonwatch presents beautifully in full steel, with a strong and sharp case and original step dial displaying warm yellow patina.
- Condition: serviced, excellent definition
- Size: 42mm diameter
- Year: 1969
- Movement service date: November 2022
![[WTS] Omega Speedmaster Date 32105000 Full Set 3000USD](https://preview.redd.it/fnxxsh1j16cg1.jpg?width=640&crop=smart&auto=webp&s=114415da710fb40b4738f4b47ca0a643d9c7b722)
Omega Speedmaster Date 32105000 Full Set 3000USD
A 2009 Omega Speedmaster Date 40mm watch that has been worn only a handful of times. It comes with the box and papers, one additional link, and is in great condition.
- Condition: Overall great condition, a couple of light scratches on the side of the bezel and some scuffs on the band and bottom of the case.
- Length: 7.5"
- Purchase Year: 2023
- Service History: Not serviced since purchase
![[WTS] Omega Speedmaster Professional 3861 Sapphire Sandwich 310.30.42.50.01.002](https://preview.redd.it/gitq6ah0z2cg1.jpg?width=640&crop=smart&auto=webp&s=2f69b94b59129b78fa39c19fdf2bd72fbf87d304)
Omega Speedmaster Professional 3861 Sapphire Sandwich 310.30.42.50.01.002
Additional details not provided.
- Item: Sapphire Sandwich
![[WTS] Omega Speedmaster Day Date MK40](https://preview.redd.it/qd5z2ol3a1cg1.jpg?width=640&crop=smart&auto=webp&s=b8cdfb536aeceae79e531f6f0f5203e09acdd0c3)
Omega Speedmaster Day Date MK40
Up for sale is my Omega Speedmaster Day-Date MK40, reference 3520.53.00. A cult-favorite Speedy with serious ‘90s charm and one of the most wearable Speedmaster configurations ever made.
- Condition: good
- Case size: 39mm
- Movement type: automatic chronograph