Gold Watch no. Unknown

Case: Yellow gold, 31mm, with associated chatelaine with applied enamel "WL" monogram. Dial: White enamel, Roman numerals, central date indication. Movement: Provenance: 18?? - Haas Neveux, Geneva 2012 - Antiquorum 2012, est CHF3,200-4,200, unsold, "B. HAAS JE & CIE, CALENDAR FOB WATCH WITH CHATELAINE B. Haas Je & Cie, Geneve, Besancon & Paris. Made circa 1870. Fine and unusual 18k gold keyless calendar fob watch with enameled initials LW on detachable yellow gold three-row chatelaine with pin and matching enameled initials LW. C. Four-body, bassine, hinged, the reverse with outer engraved decoration to central blue and black enameled monogram LW within oval cartouche, time and calendar adjusters to the band, hinged gold cuvette. D. White enamel, inner date ring, black Roman numerals, outer minutes with Arabic fi ve-minute numerals. Gold spade hands, blued steel calendar indicator. M. 26 mm, bar caliber, rhodium plated with fausses cotes decoration, wolfs tooth winding wheels, cylinder escapement, gilt three-arm balance, fl at hairspring, index regulator. Cuvette signed, case numbered. Diam. 31 mm."