5 Sports Speed Timer Watch Original Bracelet Automatic Accurate Vintage

SEIKO vintage watch is on sale.

It is a SEIKO 5 SPORTS Speed-Timer model manufactured in 1975.

The Ref is 6139-8040 and it has a Cal. 6139B 21 jewels movement.

The case is made of stainless steel and measures approximately 1.54 inches (39.2mm) excluding the crown.

The lug width is 0.71 inches (18mm).

It comes with a Seiko 5 Sports original bracelet with an aftermarket part attached to the buckle for extending the bracelet.

The wrist size is a maximum of approximately 7.09 inches (18cm).

It is in very good working condition for an old watch.

It operates with a daily difference of less than 1 minute.

It has been confirmed to operate for more than 24 hours.

The quick date function is working (by lightly pressing the crown).

The quick day function is working (by pressing the crown firmly).

The day is displayed in Japanese/English.