Seiko SpeedTimer Bullhead vintage chronograph automatic watch Cal 6138 JAPAN J 6138-0040. Oversize. 44 mm without crown (width) and 48 mm with crown (high). Normal marks of the passage of time and use. Crystal with slight scratches. Bracelet with bumps. Spectacular!!!

Seiko Slide Rule vintage chronograph automatic watch Cal 6138 Ref 6138-7000. Made in Japan. Oversize: 44 mm without crown and 45.6 mm with crown. Normal marks of the passage of time and use. Watch with wear. Dial with beautiful patina. All original.

SEIKO Chronograph. Made in Japan. Oversize. 39.8 mm without crown. Fairly worn with marks by the passage of time and use.