That's a hallmark indicating 18k gold, or .750 in decimal form, so it is solid gold. There are several experts on here who specialize in electronic watches and should be along eventually to advise you on getting it fixed. I know that with these watches many times it's a matter of finding a donor movement rather than getting it fixed but I don't know enough to comment. Be patient, someone will be along. Calling
@Tom DickClick to expand...