Thank you for viewing. Seiko Crown Waterproof 21 Jewels Men's Wristwatch Manual Winding The crown is stiff and does not move. Therefore, the operation has not been confirmed. The crystal has small cracks, stains, and scratches. Body approximately 3.5cm x approximately 4.0cm, excluding the crown. Wrist circumference approximately 18cm, aftermarket product. There may be some errors as this is amateur measurement. Please consider purchasing only if you understand that this is a used item.