Specifications︰ 18x32mm,(character:7mm),Alarm,front control.
functions:hour,day,month,minute,second,12/24 Hour timing system selectable.
outer size:18mm(diameter)X32mm(depth)
windows size:10mm(H)X19mm(W)
For plastic watch casing user,a metal side contact plate can be added to the module.

front/back/side control availabel.