The 51xx family of Seiko midrange automatic movements were short lived, produced in the late 1960’s into the early 1970’s.

The 51xx movements debuted in 1967, and consisted of three models, with the 23-jeweled 5126 one of them; it ceased production in 1971. Of note, the 5126’s quickset date pusher is located coaxially inside the crown, this function was the namesake for the Seiko “Presimatic” line.

This 1969 Seiko 5126-7030 automatic sports diver, aka the “Sumo Rally," comes with a new brown leather strap, a NATO strap of our choice, spring bar tool, and Pelican travel case.

1969 Seiko 5126-7030 Automatic "Sumo Rally" Diver

  • DIAL: Original Seiko-signed silver dial.  Day/date at 3 o’clock position works as designed.

     

    CASE: Original 39mm x 41mm stainless steel case in pre-loved condition.  Matching original caseback.

     

    CRYSTAL: Hardlex crystal, scratch-free.

     

    BAND: Brown leather strap, with cream accent stitching that nicely compliments the black rally design on the dial.  Stainless steel hardware rounds out this strap.  This watch also comes with a separate light blue and white NATO strap.

     

    MOVEMENT: Original Seiko 5126 automatic movement, manufactured in April 1969.

     

    CROWN: Original recessed unsigned stainless steel crown.

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