MG-1, without battery, what shutter speed?

[HPx93]

ive recently bought a yashica MG-1 and while im waiting on the delivery of my battery adapter i'd like to know the speed of the shutter W/O the battery, thanks.

 

[sevo]

All Yashica Electric variants I've run across so far defaulted to their shortest speed without battery.

 

[one90guy]

I 2nd sevo on the shutter default speed.