perpetual calendar造句

1、Design of perpetual calendar based on real-time clock and LCD

2、This paper introduces a chinese displaying perpetual calendar clock which is made up if8031 single-chip Microcomputer.

3、Yellow gold hunter case, movement with simple chronograph, 48-month perpetual calendar, phases and age of the moon, minute repeater.

4、Yellow gold case, enameled dial with Arabic numerals, pear-shaped hands, movement with 48-month perpetual calendar, phases and age of the moon, minute repeater.

5、Patek Philippe platinum and diamond-set perpetual calendar chronograph wristwatch with moon-phases and leap-year indication, circa 2009, REF 5971P.

6、Above thellos, where the cognoscenti prowl, prices reach six figures for perpetual calendars, tourbillons and minute repeaters.