It is a watch made more than 50 years ago. You can't expect the accuracy of the current clock.
Please consider that there is a daily difference in antique watches.
The daily difference depends on the usage conditions.
Also, it is difficult to trace the history of overhaul and repair.
Antique watches may have parts that are not original and have been replaced.
Therefore, it is difficult for the manufacturer to repair it.
Please maintain it at a watch store that sells antiques nearby.
Can be used for a long time due to regular maintenance. We recommend maintenance every three to four years.