Round
Sapphire crystal case back
White gold
42 mm
30 m
13.05 mm
Sunburst blue-gray
Gold applied numerals with luminescent coating
Self-winding
CH 28‑520 C FUS
Flyback chronograph, central chronograph hand, 60-minute counter, two time zones: local and home time indication with day/night indication for local time and home time in apertures, and date coupled with local time by hand.
Calfskin
Grained navy blue
Clevis prong buckle