BREITLING REF. 816 NAVITIMER STEEL
Breitling, Geneve, Navitimer, case No. 1247253, Ref. 816. Made in 1968.
Fine, large, octagonal, water-resistant, stainless steel wristwatch with round button
chronograph, registers, telemeter, slide-rule and a later Breitling deployant clasp.
Accompanied by a later Breitling box.
Three body, polished, bidirectional revolving notched black and white bezel to
rotate the inner slide rule disc, screwed down case back, lapidated lugs.
Bicolor black and matte silver with luminous Arabic numerals and indexes, subsidiary
dials for the seconds, the 12-hour and 30-minute registers, outer 1/5th seconds
scale, telemeter and slide-rule graduation. Luminous white baton hands.
Cal. 13"', rhodium plated, 17 jewels, straight-line lever escapement, monometallic
balance, shock absorber, selfcompensating fl at balance spring.