Case diameter

40 mm watches

Within the range many modern sports and everyday watches use. Lug-to-lug length and case thickness matter as much as diameter for how a watch fits.

Watchfari lists 18 references with a sourced case diameter of 40.0 to 40.99 mm, spread across 11 brands and 14 families. Sourced case diameters run from 40 mm to 40.5 mm. By movement type: 16 automatic, 1 manual, and 1 quartz. The most common sourced case material is stainless steel (17 of 18). Sourced production start years range from 2010 to 2021.