Winding: automatic

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

Power Reserve: 70 hours

Accuracy: -15/+25 seconds / day

Jewels: 24

Service every 6–8years

Calibre Seiko 6R35

Japanese made

central hr

central min

central sec

Date

Watch brands using this movement: Seiko Prospex, Presage, Alpinist

Quallity tier: Mid-range

Reliability: High

Notes: Technically strong, slightly pricier