The CaseJust as with the new Hesalite 3861, the sapphire versions are also a bit thinner than the previous generation. That's
link right, despite packing
link a
link new chronometer movement, the sapphire Speedy Pro's thickness has dropped from 13.7mm (with the caliber 1861) to 13.18mm (with the new 3861). This is not a small change, and the effects should be very noticeable on wrist.