Here's a scarce early 1970's vintage Zenith Defy Surf High-Beat Automatic in excellent condition.  This piece measures 34mm in diameter and features the high beat calibre 2572PC automatic movement with date at 4:30.  Here's the details:  ZENITH (SS/SS "Defy" Surf High Beat Automatic w/Date) - Excellent 34mm signed stainless steel screwback case (reference 01-1431-380) with crown at 4:30, signed 17 jewel high beat calibre 2572PC automatic movement, excellent original signed burgundy dial with raised Zenith "star" logo at 12:00, raised silver markers and quickset calendar at 4:30, silver hands and sweep seconds, signed original stainless steel deployant clasp bracelet (will fit up to 7.25 inch wrist).  The unusual and distinctive screwback case is in excellent condition, and the case back is signed, "Surf, Stainless Steel, 01 1431 380," with the Zenith signature on the inner case back.  The original burgundy dial is in excellent condition and is signed, "Zenith, Automatic, 28800, Defy, Swiss Made T."  The signed high beat calibre 2572PC automatic movement is running fine and keeping good time, and the quickset calendar function works as designed.  The calibre 2572PC was the last in-house movement produced by Zenith in the 1970's, and is high beat at 28800 BPH.  Produced for only a few years in the early 1970's, this is a scarce and collectible Zenith Defy Surf automatic!  EARLY 1970's VINTAGE ZENITH DEFY SURF HIGH BEAT CALIBRE 2572PC AUTOMATIC WITH QUICKSET DATE!  Buyer pays shipping ($15 US Delivery or $60 International via Global Express).