How to provide automatic arms without leaving a will? In moving towards these SEIKO 5. A proven mechanism, certainly not made in Japan, but do not pose any particular problems. The accuracy is not evil, far from Swiss standards, but it loses or gains 15 s per day. So a little time setting 1 or twice a week and that's it. Moreover, what impresses me most is the quality of the finishes. For that price I find baffling.