Well, so far, after around 48 hours, I been using it without the cap just fine.
I'm a bit weary of using it with the cap on top as my Waterman tends to leak ink into the cap.
Trust me; your Mont Blanc won't do that.
I may have mentioned that I bought a lovely Waterman (in Heathrow around the time of the Millennium), and, while it looked lovely - and was lovely - it never wrote with white the fluency or ease of my Mont Blancs.
Now, to be honest, time for some disclosure : For a very ong time, I had assumed the the hype surrounding Mont Blancs was just that, a degree of hype, the sort that dropped from the lips of those wedded to plutocratic self indulgence.
Then, I inherited one, from an aunt who had died, as no-one else wanted it - and, oddly enough, it was not a fountain pen, but a battered elderly ballpoint (a pen I never use). I was stunned at how well - and easily, and fluently, and effortlessly, - the thing wrote, and how nicely and comfortably balanced it was in my hand.
The thing is, most fountain pens - and I have been writing with them since I was a teenager, - pay less heed to ergonomics than they might; many of them are just not as well made as they might be - some version of this technology has been around now since the late nineteenth century.
What I have found (leave aside the looks, and the brand) is that the Mont Blancs are comfortable, and beautifully balanced when you use them for writing - they just work, and work really well for that for which they were designed.
And yes, I love to use them. And write with them.
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I have been using mine since 1995, no leaks. It's a Montblanc.
Exactly. And I agree completely. Just above, I have said the same thing at greater length.
To
@Medz1 - it won't leak: Mine never have. Not ever.