When look for quality, this is often found with items that have to reliable in their use. For instance watches have to be very precise in their timekeeping and carpenter hand tool have to endure under great stress of high usage. Other equipment like for the armed forces or fire fighter have to be extra strong and function under all possible circumstances.
And then there is divers equipment. Items that have to be waterproof and reliable because the life of the diver depends on it! When underwater you need a compass to guide your way through murky waters and a depth gauge to know your rate of descend and assent to be able to avoid acute decompression syndrome aka Caisson’s disease.