Leather Check Watch Strap

Color classification: [white brown] to send shell
Strap size: 38mm (1/2/3/generation) 42mm (1/2/3/generation) 40mm (4/5 generation) 44mm (4/5 generation)
The strap is 38mm-42mm for the 123th generation and 40-44mm for the 4/5th generation.