Invicta Grand Octane - Coalition Forces, Limited Edition, watch.  Swiss movement, Ronda Z60 quartz.  Case measurement is 63mm and the thickness is 19mm.  This one weighs in at 397 gm/14oz, so still not for the feint hearted.  
Delivery will be by Royal Mail Special Delivery.  We have one of these, therefore once it's gone, it's gone.