counter
counter for jewels in a watch
Technical counter used in watchmaking to count the number of jewels (bearing jewels) in a mechanical watch movement.
この時計は21石の自動巻きムーブメントを搭載しています。
This watch is equipped with a 21-jewel automatic movement.
counter
counter for transistors, diodes, etc. in an electronic product
Technical counter used in electronics to count discrete semiconductor components such as transistors or diodes in a device.
初期のトランジスタラジオは6石式が一般的だった。
Early transistor radios commonly used a 6-transistor design.