It's my view that there is no femininity or masculinity in the modern buckle watch, it's only what you are projecting onto it.
And a majority of MR members would disagree with your view. Someone did a poll back in March 2015 (before the AW was officially released) and only 26.7% of the responders were of the opinion that it'd be suitable for men whereas the rest thought it'd be too feminine or weren't sure and needed to see it in person first. This was based on photos alone and it's even more feminine in person (at least to me). Moreover, I've yet to see a single guy rocking the Modern Buckle (no, effeminate Pharrell and crotch-grabbing Drake don't count) and no male MR members seem to want to admit they wear it.