Winding: automatic

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

Power Reserve: 48 hours

Accuracy: -2/+2 seconds / day

Jewels: 31

Service every 10years

Calibre 3135 , Rolex In-house manufacture

Swiss made

Thickness: 6

central hr

central min

central sec

date at 3

Watch brands using this movement: Rolex Sub/Datejust

Quallity tier: Iconic in-house

Reliability: Exceptional