I've got a GW300 that I haven't worn much but I would like to put it back into the rotation. The strap I have is slightly torn, and also looks like it has aged a bit despite the lack of wear. I think I read that the strap adaptors don't really work with this model. Is my only option to simply order a new OEM strap from Casio? I have the blue model. Probably had it about 3 1/2 years now or longer. No battery problems (though it takes forever to reach 'high').