German. An 18K gold openface pocket chronometer with Grossmann-type detent escapement
Unsigned, retailed by Armando Tixier, Rosario, No. 7250, circa 1885
Three quarter plate gilt-finished movement, screwed gold chatons, chain fusée, Grossmann-type spring detent escapement with gold escape wheel, bimetallic compensation balance with gold poising screws, blued steel hairspring, ruby endstone, index regulator, finely engraved floral and foliage decorated balance cock and foot, gold cuvette engraved Relojeria de la Marina Armando Tixier & Ca. Rosario, Cronometro, white enamel dial, Roman numerals, sunk subsidiary seconds, circular case, engine-turned back centered by engraved initials JGO, inside back cover with engraved inscription Jorge G. Ortiz 19. Octubre 1888, case numbered, cuvette and dial signed by retailer, movement numbered under the dial
54 mm. diam.