Tissot, Le Locle, a late 19th century 18ct gold open face chronometer pocket watch with original box and chronometer certificate
Heavy openface Tissot pocket chronometer with original wooden box and a chronometer certificate from Observatoire Neuchatel.
This watch has a bascule chronometer escapement, bi-metallic balance wheel, Breguet over coil spring and Philipps curve, screwed chatons. The white enamel dial with painted black Roman numerals and outer red painted Arabic 24 hour indication, small subsidiary seconds at 6, polished round hinged case with signed and engraved case, engine turned case back with monogram, together with fitted wooden box and numbered observatory certificate dated 1896 , case and dial signed
54mm.160g, 18 ct., from 1896
Outstanding handwritten chronometer certificate, signed by Adolphe Hirsch, a german astronomer, who was the director of this institute to that time!
Remarkable collectors item in outstanding condition, just serviced