Caliber 5X53

GPS controlled time and time zone adjustment
Dual-Time with AM/PM indication
Perpetual calendar correct to the year 2100
Automatic DST adjustment function
High speed time zone adjustment
Time transfer function
Signal reception result indication
World time function (39 time zones)
Power save function
Accuracy: +/-15 seconds per month
(without receiving a GPS signal and at temperatures between 5°C and 35°C) 
Titanium case with super-hard coating
 Sapphire crystal and ceramic bezel
Sapphire crystal with super-clear coating
Water resistance: 10 bar
Magnetic resistance: 4,800 A/m
Diameter: 43.5mm, Thickness: 13.3mm
Titanium with super-hard coating and ceramic bracelet
Easy adjust three-fold clasp with push button release