4 4 | CALIBER IV – THE MOVEMENT TECHNICAL DATA DIAMETER 16 ¼ lines (36.6 mm) HEIGHT 7.0 mm FREQUENCY 18,000 semi-oscillations per hour (2.5 Hz) RUNNING TIME 46 hours JEWELS 22 rubies, 1 diamond FUNCTION eccentric second at 6 o'clock chronograph second and minute from the center chronograph mechanism with 3-phase operation (start / stop / reset) through crown pusher
Lang-Heyne-Catalog
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