30mm 27-Jewel Automatic Watch Movement Repair Part For ETA 7753 7750

Frequency: 28,800 vibrations per hour. Jewels: 27. Chronograph counters 60 seconds / 30 minutes / 12 hours. Chronograph subdials are at 3:00, 6:00, 9:00(small seconds location). Hours, minutes, small second.

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