The size of the IN4506BBK Bison N0.18 is 45 mm. The housing of the IN4506BBK is made ??of stainless steel and has the color of black. It has a case back with glass. The dial has the color of black. The watch glass is made ??of Mineral. The built-in IN4506BBK Bison N0.18 work is an Automatic with Calibre 735. The band of IN4506BBK Bison N0.18 is leather and has the color brown. The impetus is 22 mm. The clasp of the Ingersoll IN4506BBK is a pin buckle and has the color of black. The Ingersoll clock is to 5 ATM water resistant. The IN4506BBK Bison N0.18 has 35 jewels. The functions of the IN4506BBK Bison N0.18 are BigDate, month, Day, open balance