A Seiko Chronograph Automatic stainless steel gentleman's bracelet wristwatch, Ref. 6139-6012, circa 1973, with signed and jewelled 6139B caliber movement, the signed gold coloured dial with baton hour markers, black subsidiary dial, day and date apertures and outer tachymeter scale, the signed case back numbered '6139-6012' above '300082', the tapered link bracelet with signed foldover clasp, case width 3.8cm, with a later case.