Hourglass is not a Time Clock not sure what it is I've been trying to figure it out but it is not a clock it's not telling the time zoom in on it. And the top of the hourglass whatever it is looks like a keyboard like a piano keys and whatever that is that's on top that you can only see the left and the right side of and it looks like something in the center it looks like a some kind of Arc like the the far ends of the Ark is all you can see but I'm not sure what that is in the show