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 Date 3513.50](https://preview.redd.it/egu63p43k9ye1.jpg?width=640&crop=smart&auto=webp&s=b0e1d809a5280f9113ae56ca331e9971c79e689e)
Omega Speedmaster Date 3513.50
A beautiful Omega Speedmaster Date in overall very good condition, with a black dial and comfortable bracelet.
- Condition: Very good condition with normal wear on the case and bracelet
- Movement: Cal 1152
- Bracelet size: 6.75 inches
Omega Speedmaster Mark II / Mark 2 145.014 Vintage
The Omega Speedmaster Mark II / Mark 2 ref. 145.014 from 1970 appears to be in excellent shape, with a strong movement and functioning chronograph.
- Condition: all original condition with hairline scratches and original brushing
- Bracelet size: 1158 bracelet sized to 6.9in wrist
- Movement running status: running strong on timing machine
- Service history: unknown
Omega Speedmaster Mark II / Mark 2 145.014 Vintage
Early Speedmaster Mark 2 from 1970 in all original condition with no evidence of polishing or touching up. Hands and dial are in great shape with clean and consistent lume.
- Condition: All original condition with hairline scratches on case, one gouge on bracelet.
- Case size: 40mm diameter
- Bracelet size: 6.9 inches
- Bracelet type: 1158
![[WTS] Omega Speedmaster Dark Side of the Moon “Apollo 8” Slider](https://preview.redd.it/v6vqa0jom6ye1.jpg?width=640&crop=smart&auto=webp&s=9f2d1706af74f1f35deaa43c73d151a3872d33ac)
Omega Speedmaster Dark Side of the Moon “Apollo 8” Slider
This Omega Speedmaster Dark Side of the Moon 'Apollo 8' is a limited edition timepiece that honors the historic Apollo 8 mission, with a laser-ablated blackened movement and skeletonized dial. The watch features a manual-winding Caliber 1869 movement and is made from ultra-light and scratch-resistant black ceramic.
- Condition: MINT
- Case Material: black ceramic
- Diameter: 44.25mm
- Movement Type: manual-winding
![[WTS] Omega Speedmaster premoon 105.012- 66CB Serviced](https://preview.redd.it/f5xvahax66ye1.jpg?width=640&crop=smart&auto=webp&s=40de186b193871a81497c4980d02bba39e2f690b)
Omega Speedmaster premoon 105.012- 66CB Serviced
This pre-moon Speedmaster features an original dial with tritium intact and a great bezel with minimal wear. The case has sharp edges and clear polished and brushed parts.
- Condition: Serviced, good condition with original parts and slight wear on the dial and hands
- Movement: 321 movement
- Caseback: Spiralwinder display caseback
![[WTS] New 2025 Omega Speedmaster Moonwatch Professional Hesalite Black Dial Full 4/25 Ref: 310.30.42.50.01.001](https://preview.redd.it/l8rga85056ye1.jpg?width=640&crop=smart&auto=webp&s=059c9850ea5099ba797b8e4aaed43e75220413a7)
New 2025 Omega Speedmaster Moonwatch Professional Hesalite Black Dial Full 4/25 Ref: 310.30.42.50.01.001
This Omega Speedmaster Moonwatch Professional features a black lacquered dial and is powered by the manual-winding 3861 movement.
- Condition: 10/10, Unworn with stickers
- Movement: Manual wind
- Diameter: 42mm
- Water resistance: 50M
![[WTS] Omega Speedmaster Apollo 17 45th Anniversary (2-yr warranty) Ref: 311.30.42.30.03.001](https://external-preview.redd.it/NGt5OXpuengxNnllMUJDdS0Gi9b6to9zH50ooRDilk955RZG063oY1hvbkQ0.png?format=pjpg&auto=webp&s=27944a608d3ee8c546785a50c7ac95bbb7f18907)
Omega Speedmaster Apollo 17 45th Anniversary (2-yr warranty) Ref: 311.30.42.30.03.001
The Omega Speedmaster Apollo XVII is a limited edition timepiece commemorating the 45th anniversary of the final moon landing in 1972. This watch features a polished blue ceramic bezel with tachymeter scale, a dial with 18K yellow gold indexes and hour-minute hands coated in Super-LumiNova, and an engraved caseback.
- Condition: Very good
- Case size: 42mm
- Water resistance: 50 meters / 167 feet
- Movement: Manual-Winding Chronograph
![[WTS] Omega Speedmaster Automatic Triple Calendar Chronograph 3220.50 $2199](https://preview.redd.it/p3iab35755ye1.jpg?width=640&crop=smart&auto=webp&s=edcb7d7632b9185960d201015cff5b7b037add86)
Omega Speedmaster Automatic Triple Calendar Chronograph 3220.50 $2199
A beautiful Omega Speedmaster 3220.50 Triple Calendar Chronometer Chronograph with a 40mm steel case and Valjoux 7751 based automatic movement.
- Case size: 40mm
- Movement: Valjoux 7751 based automatic
- Crystal coating: AR coated sapphire
![[WTS] Omega Speedmaster Moonwatch White Dial (310.30.42.50.04.001)](https://preview.redd.it/95kk1g3253ye1.jpg?width=640&crop=smart&auto=webp&s=426a6f1ab13426c6f75130d81c320587d39efb0a)
Omega Speedmaster Moonwatch White Dial (310.30.42.50.04.001)
This Omega Speedmaster Moonwatch features a white dial and is sold with its original boxes, papers, warranty card, pictogram card, and Master chronometer certificate.
- Condition: Mint condition
- Accessories included: boxes, papers, warranty card, pictogram card, Master chronometer certificate