The dial is further distinguished by its applied "KS" logo and the "Officially Certified" text
thereby reducing lubricant breakdown and friction on the automatic movement for superior chronometer precision
utilizing a polished stainless steel case with the iconic multi-faceted lugs that catch the light with every movement of the wrist
Flipping the watch over reveals the crisp caseback engraving with the reference and the serial number 060410
13mm (including faceted crystal) BETWEEN LUGS 18mm SERVICE Running - Service History Unknown STRAP Stainless Steel Bracelet (Original style)
Century Chronometer - L4.721.2 JDM The dial is further distinguishedYou 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