Like many others on here, I keep an eye on the 'bay to see what CWC's are about and what they are fetching.
In the past few months there have been more than ten SBS models offered for auction that are all low issue numbers and 2017 dated.

Although all are "new" "unworn" or "worn once" none have had a Silvermans warranty card. Some have been loose,
Some in a tin.
One seller has sold at least six in the last few months...
"unwanted gift"
"From my own collection"
"Bought at a car boot sale"...

...guess where he lives?!

A "Silvermans" SBS was on eBay recently with a warranty card dated, iirc, April 2017. I don't remember the issue number, but the year was 2016.

So, if Johnnie Civilian is being given 2016 watches up to April this year.
Where are these 2017 watches all coming from I wonder.