CHRONOMASTER SPORT Ref 03.3100.3600/69.M3100

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

Ref 03.3100.3600/69.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

參考編號 03.3100.3600/69.M3100