Hope someone can help. I have managed to get hold of a case back for my Seiko 4004 (0903-8089) but I am unable to press it closed. I have one of those cheap hand squeeze presses with plastic dies from eBay and it just flexes when I press hard. There's not enough force to snap the case closed. Can anyone offer any advice? Hopefully a low cost solution. Thanks in advance, Steve.   Sent from my Moto G (5) Plus using Tapatalk