ancient pocket watch and key on old folio half-covered with old sackcloth. time passing concept. knowledge eternity concept

aged ages ancient and antique background book brass burlap chain chronometer classical clock closeup clue code concept countdown date deadline design dial elegant endless eternity folio future genuine grunge halfcovered hardback heritage historical history key knowledge measure measurement motivation old opportunity passing past pocket retro rug sackcloth secrecy secret security time timepiece timing tome traditional vintage watch weathered