But for you, just the cost of the electricity to download it. It has 20 complications, including a grande and petite sonnerie, a minute repeater, instantaneous perpetual calendar with a four-digit year display, second time zone, and 24-hour and minute subdial. It was the only one of its kind made in stainless steel. My version includes only Date, Day of Month, a 24 Hour Indicator and Moon/Sun reveal.
The original:
CREDIT: Patek.com