Case diameter

48 mm watches

A very large diameter, typical of dive, pilot and chronograph designs. Lug-to-lug length and case thickness matter as much as diameter for how a watch fits.

Watchfari lists 71 references with a sourced case diameter of 48.0 to 48.99 mm, spread across 15 brands and 28 families. Sourced case diameters run from 48 mm to 48.7 mm. By movement type: 17 automatic, 15 quartz, and 1 solar. The most common sourced case material is stainless steel (38 of 65).