Winding: automatic

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

Power Reserve: 72 hours

Accuracy: -2/+2 seconds / day

Jewels: 44

Service every 10years

Calibre 4130 , Rolex In-house manufacture

Swiss made

Thickness: 6.5

central hr

central min

small sec at 6

Chronograph: 60s counter in center, 30m counter at 3, 12h counter at 9

Watch brands using this movement: Rolex Daytona

Quallity tier: Integrated chrono

Reliability: Exceptional