Winding: automatic

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

Power Reserve: 62 hours

Accuracy: -7/+7 seconds / day

Jewels: 27

Service every 6–8years

Calibre Sellita SW510 MP b

Swiss made

Thickness: 7.9

central hr

central min

small sec at 9

Chronograph: 60s counter in center, 30m counter at 3

Reliability: High