Aquatimer 2000 ref. IW356806 vs. IW356811

Hello. What is the difference between the two above listed reference numbers of the Aquatimer 2000? And can I tell without opening the case back. Also, what is the caliber number of the movement of each, if there is a difference in those.

Thanks,
JT

Can anyone shed some light on this subject?

Thanks,
JT

Hi JT,
There is no obvious difference.
You can look to this thread for a closely related query + answers:
www.iwc.com/forum/en/discussion/61919/?page=1#post_465323
The calibre is the same in both: 30110

Leo

Thanks for the insight, Leo. I think that answered my question.