The case shape, and a low-key but creative dial. And the 1,000 M WR is noteworthy. But it does look like the case height might be a bit fat. Interesting article too. Made it sound like Laidet placed some value on the brand history.
But of the 3 I posted, the one I'm most likely to wear is the black dial SBGV207. Despite, or perhaps because, it being quartz, there is something about how perfectly it does its job that I find attractive.
I purchased them at the 1984 Louisiana World Exposition, as a gift for my mother. China was a participant and had them for sale in their exhibit space.