Cfcboy
·I understand that my sea master 300m pro (2016) has power reserve of48 hours. After using a watch winder (850 tpd) and wearing, it lasted 52 hours from taking it off until putting it on again.
I have tried 750 tpd but this only gave about 40 hours.
Any ideas ?
I have tried 750 tpd but this only gave about 40 hours.
Any ideas ?