Jaeger-LeCoultre

I have a Master Hometime with the calibre 975. When winding the watch should you turn the crown clockwise or counter-clockwise? Thank you for all responses!

Best Regards,

Mike

Wind it clockwise. I always wind mine between eight to 10 times to get it started and then let the wrist action do the rest.

regards.

the crown should be turned clockwise.

Since we don't have thumbs that are 60 cm long, most people may inadvertantly turn the crown a litlle bit anti-clockwise when they draw their thumb back for another winding stroke. This calculation assumes that the crown is turned 30 times and its radius is 3mm

Regards,

MTF

Sorry to slightly hijack this thread but I have a question about winding the 975 movement.

I've always been advised to wind an automatic movement only enough to get the thing started, hence my advice earlier. I'd say this is normally good advice as you can feel the resistance when winding an automatic watch like a manual, although I know they can't be over wound.

However, I feel no resistance with the 975. It feels like I could wind it like a normal manual watch. Is it OK to do so?

Currently, I wear my JLC all day so it gets wound OK. I may change jobs soon and not get the chance to wear my watch 'til the evening, in that case it would need to be manually wound. Can I do this without giving the movement long term damage?

thanks in advance.

Modern automatics have a safeguard against "overwinding" so the short answer is "Yes".

It is safe to give the thing a reasonable 30 winds to keep it running off-the-wrist. I have no idea if that empirical number is suitable for your particular movement....it works for most of my automatics.

I am not going to re-open that controversial discussion about whether to let unworn automatics run down their mainspring or kept wound up (by hand or mechanical winder). There are enough proponents of either "Way" ....

Regards,

MTF

(nt)