I realized that we are way ahead in apple watches shipment in Canada. Here is the info I gathered so far from other forums:
Sport models 42mm: April 30th orders are shipping
Sport models 38mm: May 10th
Stainless steel 42mm: April 28th
Sport models 42mm: April 30th orders are shipping
Sport models 38mm: May 10th
Stainless steel 42mm: April 28th