A mechanical watch doesn't need any intrusion and can work for years if not decades, and if it needs a service there are a lot of qualified people who can do it, including full disassembly and assembly. From that point of view, it can be a "lifetime" device.
Any smartwatch, no matter how expensive, will reliably and predictably turn into a paperweight when it stops being supported by the manufacturer. Many smartwatches will do it sooner — when their non-replaceable battery is out of juice.
> an example of reliable manufacturing
A mechanical watch doesn't need any intrusion and can work for years if not decades, and if it needs a service there are a lot of qualified people who can do it, including full disassembly and assembly. From that point of view, it can be a "lifetime" device.
Any smartwatch, no matter how expensive, will reliably and predictably turn into a paperweight when it stops being supported by the manufacturer. Many smartwatches will do it sooner — when their non-replaceable battery is out of juice.