Winding: automatic

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

Power Reserve: 46 hours

Accuracy: +1/+3 seconds / day

Jewels: 27

Calibre 69355 , IWC In-house manufacture

Swiss made

central hr

central min

small sec at 6

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

Watch brands using this movement: IWC Portugieser Chronograph