Winding: automatic

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

Power Reserve: 40 hours

Accuracy: -10/+30 seconds / day

Jewels: 25

Anti-shock: Novodiac style

Service every 4–6years

Calibre Sea-Gull ST2130

Chinese made

Thickness: 4.6

central hr

central min

central sec

Date at 3

Watch brands using this movement: Sugess; Merkur

Quallity tier: ETA clone

Reliability: Medium-High

Notes: Technically strong, slightly pricier