Case material

Titanium watches

Roughly 40% lighter than steel for the same volume and hypoallergenic for most wearers. It is usually a darker grey than steel and, unless surface-hardened, marks more easily.

Watchfari lists 3 references with a sourced titanium case, spread across 3 brands and 3 families. Sourced case diameters run from 41 mm to 44 mm. By movement type: 2 automatic and 1 Spring Drive.