SEIKO 5 ACTUS SS 25 Jewels Seiko Five Actus Automatic 6106-8460 Working Size (measured) Case diameter: approx. 4cm Wrist circumference: approx. 18cm Weight: approx. 81.1g This item was received from someone. Please bid if you can judge from the images. Currently running. Simple operation check for about 1 hour completed.