On Tue, 24 Apr 2018 19:13:26 +0100, Harry Bloomfield wrote:

NY expressed precisely :
In my case, the next 120 months or so (assuming my watch lasts *another*
ten years). :-)

I don't think I've had a watch battery last *that* long. A few years, but not
ten.

Mine did, it uses a rechargeable and the face is a photocell.

I had a calculator like that once, but I've not seen another calculator or a watch like that for decades. I thought they'd gone out of fashion. I tend to find the watch is broken or lost before I've gone through two batteries anyway. My last watch, the strap broke while I was swimming in the sea, so it disappeared. Batteries are 10 for a £, so why bother trying to save them?

--
Men, here's a tip for dealing with the little lady.
If you upset your wife or girlfriend then she will nag you.
However, if you upset her EVEN MORE, you will get the silent treatment.