Watches How to make a perfect social media watch video September 28, 2017 / I will buy this and every other watch Greubel Forsey make. Once I win the powerball. But seriously, this is a nice video, good music, good editing, and it doesn’t even come near the Instagram time limit. It doesn’t need to. The Grande Sonnerie is well and truly Greubel Forsey’s most complex creation to date. A post shared by GreubelForsey (@greubel.forsey) on Sep 25, 2017 at 7:46am PDT Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Like this:Like Loading...