Winding: manual-wind

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

Power Reserve: 63 hours

Jewels: 21

Calibre Sellita SW532 M b

Swiss made

Thickness: 7.5

central hr

central min

small sec at 9

date at 3

12h GMT

Day/night by disc at 12

Chronograph: 60s counter in center, 30m counter at 12 , 12h counter at 6