In 1966, Seiko introduced their most expensive addition to their already diverse line watch line, the Bell-Matic, more expensive than Seiko’s previous models due to a newly-implemented complication – the novel and unique added mechanical alarm. This large just serviced early 1972 Seiko 4006-6002 Bell-Matic - a seldom seen variant - is no exception to this novelty.

The Seiko Bell-Matic was produced from late 1966 to 1978. They were made using "4006" automatic movements with 17, 21 or 27 jewels and while most featured the day and date there were a few models that featured the date only. These were identified as a "4005" movement and were only manufactured before 1970. The most outstanding feature on these watches is the mechanical hand-wind alarm. The alarm is wound and set using the crown and engaged using the alarm button. In addition to these functions the crown also serves to set the time and the alarm button can quick-set the date.

INSTRUCTIONS: To use the alarm, pull the crown out to the first position and rotate counter clockwise until the red marker is pointing towards the time you want it to go off. Press the crown in, manually wind, then pull the button at the 2 o’clock position. When the hour hand points to the time, a little bell rings, much like an old fashioned alarm clock. Separately, to set the date, depress the same 2 o’clock button in (much like on the Seiko 6139 helmet) repeatedly until the correct date is reached. Finally, to set the day, pull the crown to the second position and turn the hands to the 1 o’clock position; reverse hands counter clockwise to 9:30 pm and then turn clockwise to 1 am once again – the day will advance, repeat until desired day of the week is reached.

 

This 1971 Bell Matic comes with a leather strap, NATO strap, springbar tool, and Pelican travel case.

1972 Seiko Bell Matic 4006-6002 Alarm Automatic

$749.99Price
  • DIAL: Original silver dial; lume shines.  Day/date at 3 o’clock position works nicely (see atypical setting instructions above).  Original hour, minute, and second hands.  Inner alarm setting ring rotates as designed.

     

    CASE: Original 42.5mm (w/o crown, 43.5mm with) x 43mm stainless steel lugless case.

     

    CRYSTAL: Seiko-correct domed crystal is scratch and blemish-free. 

     

    BAND: This Bell Matic comes with its original stainless-steel bracelet, with links remaining mostly tight.  This Bell Matic also comes with a red, white, and blue NATO strap, also with stainless steel hardware.

     

    MOVEMENT: Original Seiko 17-jewel 4006 automatic movement, manufactured in February 1972.  Alarm functions well, as designed, and this watch just exited a full srevice in late October 2019.

     

    CROWN: Original unsigned stainless steel crown. 

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