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
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Omega Speedmaster Reduced 3511.12 Yellow JAPAN 馃嚡馃嚨 EXCLUSIVE
Additional Details: Omega Speedmaster Reduced, watch comes with box and booklet, 7" bracelet
- Bracelet length: 7 inch
- Box and papers included: yes

Omega Speedmaster Moonwatch Sapphire - 3861 - 310.30.42.50.01.002 (new / 2025)
A brand new Omega Speedmaster Moonwatch Professional Sapphire with Adjustable Clasp, featuring a 42mm stainless steel case and 3861 Omega Master Chronometer Movement.
- Condition: Brand new
- Case size: 42mm diameter
- Water resistance: not specified

Omega Speedmaster Moonwatch Hesalite - 3861 - 310.30.42.50.01.001 (new / 2025)
This Omega Speedmaster Moonwatch Professional features a stainless steel case and a Master Chronometer movement, with a hesalite crystal. It comes complete with all boxes, papers, booklets, hang tag, and a 2025 Omega Warranty Card.
- Condition: Brand New
- Case size: 42mm
- Movement type: Master Chronometer
Omega Speedmaster Reduced White Dial Automatic 3510.2000
A white dial Omega Speedmaster Reduced, a chronograph with a mechanical automatic movement, housed in a stainless steel case.
- Condition: 90%
- Case Size: 38mm diameter
- Movement Type: Mechanical Automatic
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Omega Speedmaster Professional Moonwatch Big Box Set + Omega NATO Strap + Extras
This Omega Speedmaster Professional Moonwatch comes with a big box set and various accessories, including an orange and black Omega NATO strap. The watch is in great condition with the original protective paper box still intact.
- Condition: Great condition with plastic on the inner briefcase box
- Straps included: 8
- Nato strap type: orange and black Omega NATO strap
- Outer packaging included: outer protective paper box
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Omega Speedmaster Professional Hesalite Dec 24
A brand new Omega Speedmaster Professional Hesalite, sold with the complete set and warranty cards. The watch is in excellent condition and runs flawlessly.
- Condition: near mint
- Purchase Year: 2024
- Warranty Cards: stamped
- Condition Scratches: minor hairline scratches on clasp

Omega SPEEDMASTER PROFESSIONAL MOONWATCH WHITE DIAL 2024 WARRANTY FULL SET
New 2024 Model 42mm Omega Speedmaster Professional Moonwatch Stainless Steel with White Dial & Sapphire Crystals. Manual-Winding Chronograph 3861 Movement with Co-Axial Escapement.
- Condition: Unpolished, Excellent condition
- Movement: Manual-winding chronograph 3861
- Crystals: Sapphire crystals
- Diameter: 42mm
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Omega Speedmaster Dark Side of the Moon Apollo 8 Full Set 311.92.44.30.01.001
Up for sale is a Omega Speedmaster Moonwatch - Dark Side of the Moon - Apollo 8, a unique and collectible watch model.
- Condition: Excellent condition with no signs of wear
- Year: 2019
- Contents: Watch, Inner & Outer Box, International Warranty Card, Pictograms Card, Card Holder, Operating Instructions Manual, Omega Watch Cloth
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Omega Speedmaster '57 - Blue Dial - 40.5mm. Functions perfectly mechanically without issue. Includes full set of accessories.
- Condition: Fantastic condition with minor hairlines on clasp, case, and bracelet
- Case size: 40.5mm diameter