Starting the week with the vintage Seiko Bullhead chronograph (6138-0040) on this #BlueWatchMonday with a shoutout to my friend @watches_... | Instagram
![Original Seiko Bullhead 6138 0040 Chronograph Automatic Cal 6138B Working, Read - La Paz County Sheriff's Office "Dedicated to Service" Original Seiko Bullhead 6138 0040 Chronograph Automatic Cal 6138B Working, Read - La Paz County Sheriff's Office "Dedicated to Service"](https://i.ebayimg.com/images/g/ZsIAAOSwK7ZlPuDQ/s-l1600.jpg)
Original Seiko Bullhead 6138 0040 Chronograph Automatic Cal 6138B Working, Read - La Paz County Sheriff's Office "Dedicated to Service"
![SEIKO BULLHEAD CHRONOGRAPH AUTOMATIC Ref 6138-0040 JAPAN J Automatic Vintage watch Cal. 6138B *** COLLECTORS *** Seiko Vintage watches - Watches83 SEIKO BULLHEAD CHRONOGRAPH AUTOMATIC Ref 6138-0040 JAPAN J Automatic Vintage watch Cal. 6138B *** COLLECTORS *** Seiko Vintage watches - Watches83](https://watches83.com/32091-thickbox_default/seiko-bullhead-chronograph-automatic-ref-6138-0040-japan-j-automatic-vintage-watch-cal-6138b-collectors-.jpg)