Poitevin，精細及罕有，18K金獵殼懷錶，配三問功能、萬年曆及月相顯示，由Chr. Grottendieck Bruxelles銷售，約1910年製 瑞郎7,000-9,000

Bernard Poitevin was a watchmaker and retailer located in Geneva and Paris. Around 1900 he took over the watch manufacture L. Gironde and consequently the firm was renamed to Poitevin, Gironde Successeurs. The manufacture specialized in high quality watches, with and without complications, and chronometers with Geneva Bulletin d'Observatoire.