Jaeger-LeCoultre Atmos clocks have been around since the Jazz Age, and here's a new one designed for luxury brand Dunhill that looks like one of Dunhill's cigarette cases from the art deco days of the 30s. Just like its Atmos brethren, this mechanical marvel is powered by temperature changes, where a variation of one degree Celsius will power the clock for 48 hours.
This thing could go on ticking forever! Its appropriately timeless design is backed by a fascinating intricacy, crafted of 242 precision pieces and built to last way beyond the next Art Deco era. While many Atmos clocks are much less costly than this outstanding $70,600 model (some are available used for approximately $950, most are around $5,000+), all are equally fascinating. It's hard to believe this tech has been around for the better part of a century.