Originally Posted by
Planet Ocean
Try to go with the same crystal material (sapphire, mineral, plexi etc.) as the watch you are wishing to apply it to, also try to match the AR coating (if any) colour of the cyclops to the crystal otherwise it will stand out when reflecting light...I know these seem minor details but it does make a difference.
As already mentioned, use UV glue to fix the cyclops to the watch crystal as it makes it so much easier to position correctly over the date window as it can be moved around easily to get it perfect, then hit it with the UV light and your all good.
Good luck...