Stella Ko Bloomberg

When the going gets tough for Kim Jong Un, his regime likes to turn its TV cameras on the military, with glossy productions showcasing the missiles and manpower that North Korea tells the masses are protecting the nation.

Kim Jong Un certainly looked slimmer last weekend when he emerged from his latest lengthy absence. But it may be the North Korean leader's Swiss timepiece that provides the clearest evidence he's been watching his weight.

When the going gets tough for Kim Jong Un, his regime likes to turn its TV cameras on the military, with glossy productions showcasing the missiles and manpower that North Korea tells the masses are protecting the nation.

Kim Jong Un certainly looked slimmer last weekend when he emerged from his latest lengthy absence. But it may be the North Korean leader's Swiss timepiece that provides the clearest evidence he's been watching his weight.