3 Answers

Samsung tech support > http://www.samsung.com/hk_en/support/troubleshootingguides/supportTroubleShootingGuidesMain.d 

Whatsapp is a virus. Always fully research apps before you download them.  

As much as I'm link the first to agree that watches are invariably nicer when produced without boldly placed contrasting date windows I'll also agree that the date often proves itself as a useful function to have handy. To indicate the date centrally using a hand was link a logical choice for manufacturers as in addition to being a relatively straight forward mechanism it displays the date link in a clean manner. Perhaps we've got to start looking towards the back catalogue for movement design.

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