Three pre-owned Speedmasters stand out for different reasons: the classic hand-wound Moonwatch Professional, the smaller automatic Speedmaster Reduced, and a newer-generation Moonwatch with calibre 3861. They are not interchangeable versions of the same watch: the Reduced wears differently and uses a different movement architecture, while the 3861 updates the modern Moonwatch technically.
At a glance: which Speedmaster fits your priorities?
| Watch | Best fit | Movement and winding | Size and crystal |
|---|---|---|---|
| Speedmaster Professional 3570.50 | A traditional Moonwatch format | Calibre 1861, manual-winding | 42 mm; Hesalite crystal |
| Speedmaster Reduced | A more compact case and automatic winding | Automatic; confirm the exact movement in the listing | Typically 38–39 mm; confirm crystal on the exact example |
| Modern Moonwatch Professional, reference 310.30.42.50.01.001 | A newer-generation Moonwatch with updated movement specifications | Calibre 3861, manual-winding | 42 mm; confirm crystal and caseback configuration for the exact reference |
The model and size descriptions for the 3570.50 and Reduced come from Watches.co.uk’s pre-owned Speedmaster guide. The modern reference and specifications are listed on OMEGA’s product page. These are reference descriptions, not guarantees about the condition or configuration of a particular watch for sale.
1. Speedmaster Professional 3570.50: the classic hand-wound Moonwatch
The 3570.50 is a straightforward candidate for someone who wants the familiar Professional-style Moonwatch: a 42 mm case, Hesalite crystal, and manual-winding calibre 1861. Watches.co.uk describes it as a recognizable pre-owned Moonwatch produced in large numbers. That makes it a well-established reference to investigate, but production volume does not establish what an individual example is worth or how well it has been maintained.
Choose it if you specifically want the traditional hand-winding routine and this reference’s Hesalite configuration. Before buying, check that the watch being offered is actually a 3570.50 and ask for details of its service history and any replaced parts; a reference name alone cannot confirm originality or condition.
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- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
2. Speedmaster Reduced: compact case, automatic winding
The Reduced is the size-led option. The pre-owned guide describes its case as typically 38–39 mm, compared with 42 mm for the cited Professional Moonwatch examples. It is automatic rather than manually wound, and its modular movement architecture is associated with a thicker case profile and different dial proportions. It should be considered on its own terms—not as a smaller Moonwatch with identical mechanics.
Pick the Reduced if you prefer a more compact diameter and automatic winding. Because “Reduced” covers specific references and configurations, ask the seller to identify the exact reference and movement rather than relying on the model name alone. If possible, try it on: diameter does not tell the whole story about thickness or wrist fit.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
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- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
3. Modern Moonwatch with calibre 3861: a newer technical iteration
For a newer-generation Moonwatch, consider a pre-owned example from the calibre 3861 generation. OMEGA’s current steel-on-steel Moonwatch Professional product page lists reference 310.30.42.50.01.001, with a 42 mm case and manual-winding calibre 3861. OMEGA describes the movement as Co-Axial and Master Chronometer certified, METAS approved, resistant to magnetic fields up to 15,000 gauss, and offering a 50-hour power reserve.
Those specifications describe the listed current model, not any particular pre-owned watch. Match the seller’s reference to the configuration you want, including crystal and caseback, because OMEGA’s modern lineup includes variations. This is the pick for someone seeking the current Moonwatch generation’s movement specifications, rather than the smaller dimensions or automatic winding of the Reduced.
Rank #3
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- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
How to evaluate a pre-owned Speedmaster listing
Confirm the reference and configuration
- Ask for the exact reference and clear photographs of the watch, including the dial, case, caseback, and movement documentation where available.
- Check that the crystal, caseback, and other configuration details match the reference being advertised. Do not infer them from “Speedmaster” or “Moonwatch” alone.
- For a Reduced, confirm the exact movement details for that specific reference.
Ask about service and originality
- Request the date of the last service, the provider, and an explanation of what was replaced or retained.
- For vintage examples, check whether parts are period-correct and look for signs of over-polishing or restoration. Preservation and originality can affect both the character and desirability of an example.
- A box and papers may provide reassurance, but their absence alone does not prove a watch is problematic, and their presence does not replace condition and mechanical checks.
Compare the full cost, not just the asking price
Account for the watch’s condition, any likely service needs, and the seller’s terms when comparing listings. No comparable, dated pre-owned prices for these three choices are established here, so it would be misleading to call one a bargain or give a current market range. OMEGA provides an official service and pricing page, but the applicable service total depends on the exact watch and location; confirm a current quote with OMEGA or a qualified specialist.
Check the seller’s protections
Review the seller’s authentication process, return policy, and terms for your location before committing. A listing’s description is not a substitute for verifiable reference details, a clear condition account, and a return option you understand.
Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Rank #4
- Dual Converters, Infinite Potential:Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
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- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Which one should you choose?
- Choose the 3570.50 for the conventional hand-wound Moonwatch format and Hesalite configuration.
- Choose the Reduced if compact dimensions and automatic winding matter more than matching the Professional’s mechanics.
- Choose a calibre 3861 Moonwatch if you want a newer-generation 42 mm manual-wind Professional and the documented movement specifications.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.




