Breitling, a gentleman's stainless steel Navitimer chronograph wristwatch, 1970's,

細節
Breitling, a gentleman's stainless steel Navitimer chronograph wristwatch, 1970's,
black dial with baton markers, subsidiary seconds, minute and hour recording dials, outer timing scales for use with revolving bezel, 17-jewel movement with monometallic balance, case with screw back, dial, movement and case signed, diameter 47mm.