Gubelin's trademark is the hourglass, yet I've never seen an hourglass on any of their crowns. Over the years Gubelin sold many watches by other manufacturers under their own name (Audemars Piguet comes to mind), I've never seen that odd icon before on any of their watches. I suspect it is an icon from whoever manufactured the watch for them, but it's not their trademark. In the past these sorts of oddball brandings were more common, today there area all kinds of trademark issues they must contend with.
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