With a diameter of 36mm, reference 1803 was produced from the early 1960s to 1977. It was the first generation of Day-Date to be produced for more than 15 years. The main feature of this model is its domed “Pie-pan” dial and domed Plexiglas crystal. On this precise model, the dial features a graduated minute track and a particularly attractive grey/cream matte finish.
The Rolex caliber 1555 has a power reserve of approximately 42 hours and is not equipped with the crown-operated quick-date system, a feature that appears with the following reference 18038 and caliber 3055.
The “President” bracelet fitted to this watch was introduced when the model was launched in 1956. This model also features a folding clasp with invisible buckle, an option available at the time, but more expensive than the classic version with cap.

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