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31X20mm

Model No.︰DD3120S(SM-141)
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Specifications︰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
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