My understanding is...April 16 2012 at 10:31 PM
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|Jack from Philadelphia |
from IP address 220.127.116.11
Response to Nowadays...
that a tourbillion is really irrelevant in a wristwatch movement because the variations in position to which the watch is subjected tends to correct for variation due to gravity. It is helpful for a pocketwatch that sits in a single position for an extended period of time.