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The Encyclopedia of Horology

León (birth); London (workshop), Spain (working in England) · 1797 – 1870

José Rodríguez de Losada

Partially verified

Chronometers and watches for the Spanish and Latin American markets

Life & work

José Rodríguez de Losada (born José Rodríguez Conejero, adopting 'Losada' from his birthplace region in León) was a Spanish-born watchmaker who built his career entirely in London after fleeing Spain in the 1820s for involvement in a liberal conspiracy against the absolutist rule of Ferdinand VII. According to Spanish-language biographical sources, he initially took menial work in a London watch shop, inherited the business after its owner's long illness and death, and subsequently built it into one of the most successful chronometer and watch businesses supplying the Spanish and Spanish-American markets through much of the nineteenth century, trading from Regent Street.

Losada is best known outside specialist horological circles for donating the clock installed in 1866 at Madrid's Puerta del Sol (on the Casa de Correos building), which remains, in updated mechanical and later electrical form, the clock by which Spain's New Year midnight chimes ('las campanadas') are traditionally marked — giving Losada, unusually among watchmakers, a continuing cultural presence in Spanish public life disproportionate to his relatively low profile in general horological histories.

His business also produced marine chronometers and regulator/tower clocks supplied to Spain and Spanish America (examples cited in Spanish sources include clocks for Málaga Cathedral and Caracas Cathedral, and a chronometer associated with Admiral Casto Méndez Núñez, held at the Museo Naval de Madrid); mid-nineteenth-century Spanish sources also note that Swiss and English makers counterfeited 'Losada'-signed watches for sale into the Spanish market, reflecting his commercial reputation at the time.

Timeline

José Rodríguez de Losada's recorded dates, dated events from this profile and its sources, and dated pieces and sales from the object catalogue. Dates are as each record gives them.

  1. 1797 · Career

    Born

    Profile text · see Sources

  2. 1866 · Career

    Losada is best known outside specialist horological circles for donating the clock installed in 1866 at Madrid's Puerta del Sol (on the Casa de Correos building), which remains, in updated mechanical and later electrical form, the clock by which Spain's New Year midnight chimes ('las campanadas') are traditionally marked — giving Losada, unusually among watchmakers, a continuing cultural presence in Spanish public life disproportionate to his relatively low profile in general horological histories.

    Profile text · see Sources

  3. 1866 · Career

    Donated the Puerta del Sol clock in Madrid (1866), which remains a fixture of Spanish national New Year tradition

    Profile text · see Sources

  4. 1870 · Career

    Died

    Profile text · see Sources

Training, contributions & innovations

  • Built a major nineteenth-century London-based watch and chronometer business specifically serving the Spanish and Spanish-American markets
  • Donated the Puerta del Sol clock in Madrid (1866), which remains a fixture of Spanish national New Year tradition
  • Supplied marine chronometers and institutional tower/cathedral clocks across Spain and Spanish America

Inventions & patents

  • No specific patented mechanism attributed to Losada is confirmed in the sources consulted here; his significance is commercial and civic (as a chronometer-trade figure and public benefactor) rather than resting on a documented technical invention.

Signatures & markings on surviving work

  • Watches and chronometers signed 'Losada, London' or 'J. R. Losada, Londres'; contemporary Spanish sources note that counterfeit 'Losada' signatures circulated in the Spanish market during his lifetime, so signature alone is not sufficient for authentication

Collecting significance

Genuine Losada-signed pocket chronometers are a specialist Spanish-market collecting category; given the documented nineteenth-century practice of counterfeiting his signature for the Spanish trade, attribution benefits from cross-checking case, movement and retailer-marking conventions against the specialist Spanish-language monograph literature (Moreno García, 1995) rather than relying on the signature alone.

Firms, key models & movements

No firm, model or movement in this encyclopedia is yet recorded under this maker's name.

Photographs

Alberto Losada - Vuelta 2008
Alberto Losada - Vuelta 2008 — Tekstman, CC BY-SA 3.0. Wikimedia Commons file page
Juan Armada y Losada, 1904
Juan Armada y Losada, 1904 — Unknown authorUnknown author, Public domain. Wikimedia Commons file page
Antón Losada Diéguez
Antón Losada Diéguez — Unknown authorUnknown author, Public domain. Wikimedia Commons file page
Vicky Losada Arsenal Ladies Vs Liverpool (19663149292)
Vicky Losada Arsenal Ladies Vs Liverpool (19663149292) — joshjdss, CC BY 2.0. Wikimedia Commons file page

Photographs are illustrative examples of the type, not necessarily the exact object described. Verify details against the source file page.

Sources & references

  1. Moreno García, R., José Rodríguez de Losada: vida y obra (Dialnet monograph, 1995)
  2. Real Academia de la Historia, Diccionario Biográfico Español, entry 'Rodríguez Losada, José'
  3. ABC and El País historical feature articles on the Puerta del Sol clock and its donor (used for general biographical corroboration)

Where sources disagree, the disagreement is stated rather than resolved silently.