Kwanghun Hyun is a Korean artist who's made a pair of mechanical-watch based pinhole cameras. They're more impressive as creations then actually cameras, since they are far more precise and overbuilt then a pinhole camera needs to be, with no improvement in the actual pictures taken. The intriguing part is that the timing mechanism is a Unitas 6497, one of the modern workhorse manually-wound calibers. On his Heartbeat 1, the movement is basically unchanged, with a series of tiny leaf springs handling the stop and stop functions from the watch. For the Heartbeat 2 he reorganized the wheels of the caliber on custom baseplates to fit the camera case better.
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| Completed Heartbeat 1 Camera | Closeup of the Unitas movement from the Heartbeat 1. The thin brass levers extending to the left are the connection between the camera and the watch movement |
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| Completed Heartbeat 2 | Top-plate of the Heartbeat 2, showing the reconfigured movement through the window |
Finally a picture from one of the Heartbeat cameras
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