Erwin Sattler USA by TLW

certificated weights for fine regulation

cutaway in the normal or regulator dial

adjustable pendulum scale

glass window in the top of the case

double cylinder pendulum

barometric instrument

assembly by the manufactory

polished case-holding screws

glass window in the top of the case

date indication

moonphase indication

hand-domed and polished hour, minute and second hands

hand-domed and polished date hand

anti-reflective mineral glasses

set of fine-polished screws

sattler varnish

classica w 60 m

aperia iii

double cylinder pendulum

assembly by the manufactory