Seiko Chronograph 6139-6002

A Seiko Chronograph Automatic stainless steel gentleman's bracelet wristwatch, Ref. 6139-6002, circa May 1971, with signed and jewelled 6139A caliber movement, the signed black dial with luminous hour markers, subsidiary dial and day and date apertures and detailed 'Water 70m Proof', with inner rotating bezel, the case with blue and red tachymeter scale bezel, the signed case back detailed '6139-6002' and '155357', the bracelet with signed foldover clasp, case width 4.2cm.