全球79种常用手表机芯
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Manual Winding
∙Jaeger-LeCoultre: 822 is based on 824; 822 and 846 are tonneau-shap ed. There are other 818 versions: 818/5 with 21 jewels and fine adj
ustment and 819 with central seconds hand.
∙Lange: L 902 has a tourbillon and wind indicator.
∙Lemania: 387 has a tourbillon; 1873 is a chronograph with 30-minute s counter and small seconds dial; 1874 has 30-minutes- and 12-hours
-dials, 1883 has additional date and phase of the moon indicators.
2310 is a chronograph with 30-minutes-dial, 2612 has additional 12-
hours, date- and moon phase-dials.
∙Patek Philippe: RTO 27 PS is a watch enthusiast's dream come true:
a minute repeater with tourbillon. CH 27-70 Q is a chronograph with
perpetual calendar (day, date, month, leap year, moon phase) and 2
4-hour display.
∙Piaget: 2P and 6N have the crown on the back of the watch. Automatic