Rolex, calibre 2236
Winding: automatic
Frequency - Variations per hour: 4Hz - 28800 V/h
Power Reserve: 55 hours
Accuracy: -2/+2 seconds / day
Jewels: 31
Calibre 2236
Swiss made
Central hr
Central min
Central sec
Date at 3
Rolex Datejust 31 Fluted Bezel
Rolex Datejust 31