Usually talking, there are two generations of 1019 dials. The primary era, produced by the late Nineteen Sixties, has a smaller Rolex wordmark at 12 o’clock, whereas later dials or service dials have “Rolex” in a lot bigger textual content. There are additionally different refined adjustments over the 1019’s run: the early examples could have a seconds observe with 1/5 second increments additionally marked, a element that’s misplaced on later dials. You’ll additionally discover the “Superlative Chronometer Formally Licensed” textual content is shrunk on later examples. Since Rolex produced the 1019 throughout three a long time, these adjustments actually turn out to be emblematic of the Crown’s evolution: the model title is printed a lot smaller on early examples, and there are these 1/5-second increments, theoretically (although maybe not virtually), making the Milgauss a great tool for timing science stuff. By the Nineteen Eighties, the Rolex font on the dial has turn out to be a lot greater. Actually, the print on the whole dial is crisper and sharper – the Milgauss had developed into a real luxurious watch, with its authentic anti-magnetic traits, whereas nonetheless there, now secondary. Later dials additionally lose the 1/5-second tick marks.
One other notable change over the lifetime of the 1019 is the arms: Most examples are polished, with a ridge down the center, whereas examples in the direction of the very finish of the mannequin’s manufacturing (in addition to later service arms) are flat and brushed.