Winding: manual-wind

Frequency - Variations per hour: 3Hz - 21600 V/h

Power Reserve: 50 hours

Accuracy: 0/+5 seconds / day

Jewels: 26

Anti-shock: Nivashock

Calibre 3861 , Omega In-house manufacture

Swiss made

central hr

central min

small sec at 9

Chronograph: 60s counter in center, 30m counter at 3, 12h counter at 6

Watch brands using this movement: Omega Speedmaster

Quallity tier: Premium

Reliability: High