A amerotke New Member Aug 24, 2006 #41 I saw a watch: Casio protrek 80 T.....this watch works with sunlight...No need change or charge batteries...It made me impressed
I saw a watch: Casio protrek 80 T.....this watch works with sunlight...No need change or charge batteries...It made me impressed
audioguru Well-Known Member Most Helpful Member Aug 24, 2006 #42 amerotke said: I saw a watch: Casio protrek 80 T.....this watch works with sunlight...No need change or charge batteries...It made me impressed Click to expand... A watch uses hardly any current from the battery. It doesn't have a current-hungry radio transmitter.
amerotke said: I saw a watch: Casio protrek 80 T.....this watch works with sunlight...No need change or charge batteries...It made me impressed Click to expand... A watch uses hardly any current from the battery. It doesn't have a current-hungry radio transmitter.