A clock in a dream often makes time pressure visible -- a deadline, an aging process, or an urgency you've been feeling but haven't put into words. A clock running backward or stuck can reflect a wish to slow down or reclaim a moment you feel is slipping past you.
To become wealthy use Jupiter because it has influx and quick response there; besides it means renovation and increase of goods. - Picatrix (Andalusia, ~1000.AD)