The cerf is a bit conservative, but my style is pretty classic so it works. It really isn't officey, or business-like, just very classic. I usually wear something a bit offbeat, so this bag balances it out. I actually have a birkin as well and I like the cerf better. I might be the only person to say that, but I have a bunch of chanel bags and I think sticking to one handbag designer adds a signature element to ones style. My friends all know me as their friend with all the chanel bags. Having a birkin is not at all necessary as long a you have a classic bag that suits you. I really only use mine when I travel.