The Silverstone case with its curves is clearly more feminine than the angular Monaco, but that's a long way from meaning it's a woman's watch! Maybe something for both genders - as Sandra showed recently, if worn confidently, it looks good on women too.

Heuer seemed only intermittently committed to providing watches specifically designed for women. I recall some from the early days of them producing wristwatches (I think Jarl has a Rose Watch Co branded example), but there then seems a bit of a gap until there are specific smaller sized divers. Perhaps a sign of the times as much as anything. Of course, for the 50s and much of the 60s, there probably wasn't much of an issue - early Carreras and the like were small enough to be comfortably unisex, but with the increase in size of "men's" watches, the accessability was a bit more limited.

Nowadays, with TAG-Heuer pretty much every watch seems to have an example for both genders, again maybe a sign of the times. There's no reason for gender inequality with products like this, but it still surprises how accepted it seems to have been only a few decades ago. I'll draw the line if we start seeing man bras though!