Ticktock Showroom's handmade "Timing Chain" clocks are a really appealing way of telling time. They run $100, and you'll need 26" of clearance below them for the chain-hang.
Innovative chain driven clocks suitable for home or office. These clocks feature laser-cut acrylic numerals and motor mounts. They keep accurate time by using industrial synchronous A/C motors, featuring a visible gearset. Designed to be wall-mounted, each clock is about 44 inches tall, and the number chain hangs 26 inches below the drive sprocket. The clocks are pre-assembled, as the assembly of the chain requires tools that are not commonly found in most homes. The numerals and motor mounts may be ordered in any color available on the ponoko material list.