IS 9641 : 1980 Dimensions for lugs for wrist watch case

UDC 681.114.8.036.2 : 006.78 PGD 23
Reaffirmed 2018

1 Scope

Covers the details of the following two types of lugs andfitting dimensions of the spring bar for wrist watch case.

Type A - With blind hole

Type B - With through hole