Omega Medicus Square Dress Watch Two Tone Zifferblatt Referenz CK651This lovely square dress watch, crafted in the 1930s, was actually designed to function as a doctor's watch, featuring a large, central seconds hand, a rarity for the time. The inclusion of a prominently displayed seconds hand and a detailed minute track allowed doctors to measure a patient's pulse with greater precision, using just one hand. This design was marketed to doctors as it was much easier to use than the more common small seconds displays