Case diameter

19 mm watches

On the small side by modern standards; sizes like this were the norm for mid-century watches. Lug-to-lug length and case thickness matter as much as diameter for how a watch fits.

Watchfari lists 48 references with a sourced case diameter of 19.0 to 19.99 mm, spread across 10 brands and 16 families. Sourced case diameters run from 19 mm to 19.5 mm. By movement type: 15 quartz, 1 automatic, and 1 solar. The most common sourced case material is stainless steel (21 of 37).