REFERENCE : 03.3100.3600/21.M3100
El Primero導柱輪自動計時機芯,可測量和顯示1/10秒 1/10秒顯示位於陶瓷錶圈、動力儲存增加為60小時 日期顯示位於4時半位置、停秒機械裝置。
Automatic El Primero column-wheel chronograph able to measure and display 1/10th of a second 1/10th of a second indication on the ceramic bezel. Increased power reserve of 60 hours Date indication at 4:30 Stop-second mechanism.
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