Breitling Sprint 2212

Breitling: A Stainless Steel Chronograph Wristwatch, signed Breitling, model: Sprint, ref: 2212, 1970's,

(calibre Valjoux 7733) manual wound lever movement signed, silvered and black "surfboard" dial with baton markers, two dials for seconds and 45 minute register, outer tachymeter/base pulsations scale, tonneau shaped case with buttons in the band to operate the chronograph, black rotating 12 hour scale bezel, screw back signed and numbered , inside back cover signed 38mm wide