What is the thickness of leather strap?

The thickness of a watch strap refers to the measurement of the strap from one side to the other, tapered from the lug. You can choose from the following thickness options we offer: 2.5 - 1.8 (mm), 4.0 - 3.5 (mm), 5.0 - 4.5 (mm).

Additionally, you have the option to customize your preferred thickness using the "Other" option.