APERTURE

A SMALL OPENING IN THE DIAL.
IN AN APERTURE WATCH, VARIOUS INDICATIONS SUCH AS THE MONTH, MOON PHASE, DAY, DATE, HOUR, MINUTE, ETC. ARE VISIBLE THROUGH THESE OPENINGS.
A SMALL OPENING IN THE DIAL.
IN AN APERTURE WATCH, VARIOUS INDICATIONS SUCH AS THE MONTH, MOON PHASE, DAY, DATE, HOUR, MINUTE, ETC. ARE VISIBLE THROUGH THESE OPENINGS.