#prestigediversions | JULY 2019 PRESTIGE 131
PERPETUAL
MOTION
Perpetual calendars with
four subdials each, but vastly
different layouts
This page: IWC Portugieser
Perpetual Calendar in platinum
with a leather strap
Opposite page: Vacheron
Constantin Overseas Perpetual
Calendar Ultra-Thin in pink gold
with a leather strap/OFF
A STUDY OF CONTRASTING
APPROACHES TO THE SAME CONCEPT