Δυσκολη μαχη μπροστα στην κορωνα της Rolex,αλλα και η IWC εχει κατι να πει.... παραδειγμα ενα μοντελο με δικη του μηχανη ,το
IWC Portuguese - Calibre 5000

(Movement Diameter: 38.2 millimeters (IWC's largest automatic movement)
Movement Height: 7.2 millimeters
Balance: Chronometer quality Nivarox 1 balance spring with Breguet overcoil; 18,000 beats per hour
Winding: Bi-directional
Power Reserve: 8.5 days; however movement stops automatically after 168 hours (7 days), to assure timekeeping precision, if not wound.
Parts: Total of 286 parts, including 35 sub-assemblies, 12 bridges, 53 differently shaped wheels, 44 jewels
Shock Resistance: Incabloc system)
Iwc chrono Portuguese

IWC Πατεντες
Pellaton


Rolex Daytona(4130)

Rolex sub
