43.5mm

Reference: IW390501

Materials

18ct red gold. 18ct red gold bezel

Dial

Silver-plated with gold Arabic numerals

Functions

Hours, minutes, small hacking seconds, date, chronograph with hour and minute counters combined in a totalizer at “12 o’clock” & flyback function

Power Source

Automatic. Power reserve 68 hours

DIAMETER

43.5mm