CODEL atelierCODEL nato belt Tochigi Leather Watch Band Military Genuine Leather Watch Made in Japan [Compatible wrist size] Approximately 13cm to 21cm (The average wrist circumference for Japanese men is about 17cm). Please be sure to measure your wrist circumference before purchasing. [Belt width is 20mm] Compatible with watches with lug widths of 19mm to 20mm. [Included spring bars] 4 spring bars with a width of 20mm (2 of which are spares) and 4 spring bars with a width of 19mm (2 of which are spares), and a spring bar tool are included. You can replace it immediately upon arrival. You can also use the spring bars that were originally attached to your watch without using the included spring bars. [Leather thickness is 2mm] It can be inserted if there is a gap of 1.8mm to 1.9mm between the watch body and the spring bar. Please measure your own watch before purchasing.