Century Chronometer - L4.721.2 JDM mirror-like luster

mirror-like luster

This is an excellent acquisition for a collector who values uncompromising ruggedness- reliable quartz technology- and a true diver aesthetic

thereby reducing lubricant breakdown and friction on the automatic movement for superior chronometer precision

making it easier to polish

Century Chronometer - L4.721.2 JDM mirror-like lusterYou are looking at a watch built on a scientific principle! The incredible selling point here is the "VACUUM" construction. Century's founder, Hans Ulrich Klingenberg, patented a system in the 1960s to literally evacuate the air from the watch case, then seal it to create a vacuum. This wasn't for water resistance (though it is waterproof); the core purpose was to eliminate moisture, dust, and, crucially, oxygen, thereby reducing lubricant breakdown