27-Jewel Automatic Mechanical Watch Movement Small Second At 9 for ETA 7753 7750

Frequency: 28,800 vibrations per hour. Jewels: 27. Hours, minutes, small second. Chronograph counters 60 seconds / 30 minutes / 12 hours. 25 Types Assorted Micro Switch Push Tact Button ON/OFF Touch Button Switch Kit d.

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