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Retro flip clock changing from 05:59 am to 06:00 am in 4K -
Extreme close up of pocket watch machinery with golden gears in 4K -
Extreme close up of pocket watch machinery with small gears spinning in 4K -
Extreme close up of pocket watch with exposed machinery working in 4K -
Extreme close up of pocket watch with exposed machinery working for a minute in 4K -
Extreme close up of pocket watch with exposed machinery working for thirty seconds in 4K -
USA Flag in black background