perpetual calendar

基本解释

If you keep this moon-phase, perpetual calendar, retrograde behemoth running continuously it won’t need adjusting until 2100.
只要你能让月亮依然圆缺变化、年历永恒不变、还有地球这个逆转的庞然大物持续运行，那么这款表在2100年之前是不需要校准的。
One of the results of his diversion was an 1887 perpetual calendar algorithm for calculating the day of the week for a given date.
其中一个成果就是1887年万年历算法，可以对给定日期计算星期几。
It’s self winding, has a minute repeater, perpetual calendar, equation of time, jumping hour, power reserve indicator, and a bimetallic thermometer – everything but MMS messaging.
它可以自动上弦，具有三问报时、万年历、时差设置以及跳时功能，另外还配有动力储备指示器和双金属温度计——除了MMS彩信功能什么都有的。

Swiss luxury watch brand Jaeger-LeCoultre has unveiled an ultra-thin automatic perpetual calendar timepiece.
FORBES: Jaeger-LeCoultre's Master Ultra Thin Perpetual Watch
This 18k pink gold openface watch is a minute repeating perpetual calendar split-seconds chronograph clockwatch with grande and petite sonnerie and moon phases, manufactured in 1898.
FORBES: Connect
The company has made two other new models to celebrate the opening as well: An Overseas Chronograph Perpetual Calendar Boutique New York and the Patrimony Traditionnelle calibre 2755 Boutique New York.
FORBES: Vacheron Constantin Flaunts American Heritage As It Opens First U.S. Store