Winding: automatic

Frequency - Variations per hour: 4Hz - 28800 V/h

Power Reserve: 60 hours

Accuracy: -5/+5 seconds / day

Jewels: 27

Service every 6–8years

Calibre ETA 7753 H-31

Swiss made

central hr

central min

small sec

Date

Chronograph

Watch brands using this movement: Hamilton

Quallity tier: Compact chrono

Reliability: Very high