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Seiko 6139-7070 automatic chronograph, 1976


“Baby Jumbo” Automatic chronograph by Seiko, blue dial, tachymeter inner bezel. 39 mm all stainless steel case, glass crystal, new leather band. Days in English and French. Perfectly working. Watch serviced (11/2022)

1 year guaranteed.

Movement typeAutomatic
MovementSeiko 6139
Frequency21,600 bph
Case materialStainless steel
Diametre39 mm
Lug width19 mm

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Nice blue Seiko Automatic Chronograph 6139-7070, known under the nickname “baby jumbo”. It was released in September 1976 according to its serial number and was marketed for the french markets.
Deep blue dial with some patina but in good condition, batons hands, white second and minute totalizer hand. Day (in English and French) and date at 3, with quickset on both.
The movement is a Seiko 17-jewel automatic 6139. It has just been serviced, it works fine (+/- 10 s/d), the balance having a good amplitude. The chrono starts and stops, the reset comes perfectly back to its original position when pressing the lower pusher. The day and date quickset works.

The overall condition is good, the big case has some minor wear. The glass crystal is in very good condition.

Finally, the watch comes with a new leather band.

Definetely a impressive watch, in good condition and fully working.

Vintage watch with unknown history but serviced, checked and cleaned (09/2022). Water resistance non tested (so no dipping or shower with this watch).
The pictures are actual and are part of the description, so please look carefully at them.