产品规格︰ 31x20mm,5 Functions,Side control
(color: blue/red/crystal clear available)

Functions:Month,Day,Hour,Minute,Second.
Outer size:20mm(H)x31mm(W)x7mm(Depth)
windows size:14mm(H) x 24mm(W)

Optional Object:For plastic watch casing user,a metal side contact
plate must be added to the module.

front/back/side control available