A large stainless steel automatic chronograph wristwatch with date, registers and bracelet, Breitling, 'Navitimer, Chrono-Matic' 1970s

gilt and nickel finished lever movement, 17 jewels, mono-metallic balance, black dial, luminous Arabic and baton numerals, subsidiary dials for 30-minute and 12-hour registers, aperture for date at 6, outer rings calibrated for logarithm and tachometer, circular water-resistant-type case with rotating bezel and crown at 9, case, dial and movement signed, with a stainless steel Breitling bracelet with deployant clasp.