Explorer 1016 — Gilt Type 1

Rolex 1560

Added KIF shock protection and a free-sprung hairspringBalance springThe fine spiral spring that works with the balance wheel to form the movement’s oscillator.. The Submariner chronometerChronometerA watch or movement certified for timekeeping precision under a defined testing standard. The applicable certification depends on its maker and period; it is not the same as a chronograph. caliberCaliberThe designation of a watch movement, identifying its design or movement family. through the late giltIn classic vintage Rolex usage, a dial whose gold-coloured text or markings reveal the metal beneath the dark surface coating. Gold-coloured printing alone does not establish this construction. and early era.