Aretta was an Italian watch brand associated with La Clessidra di Francesco Marinsek, selling affordable wristwatches in the 1960s mid-market. Aretta operated as an établisseur — assembling and branding watches rather than manufacturing movements — sourcing calibers from French suppliers, notably Lorsa (the caliber designation "23-50M" is consistent with Lorsa's movement numbering).

Aretta is poorly documented in published horological sources. It represents the category of Italian trade names that flourished briefly in the postwar consumer watch boom before being displaced by cheaper Asian competition. Collector interest is minimal; the Lorsa-sourced movements are more relevant for parts identification.

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Manufacturer Movement
Aretta Manual 23.8 mm