Pierre DeRoche. A stainless steel dual time zone with date and retrograde power reserve indication
Grandcliff, GMT, Case Number B-00844, Recent
21-jewel automatic maker's Cal. PDR 4007, ETA Cal. 2897 Ref. 0105 movement, hobnail textured black gloss dial with white luminous Arabic numerals at two, three, nine and ten with dots indicating the remaining divisions, steel arrow hands with luminous inserts, date and second time zone indicated by red arrow hands at dial centre, retrograde power reserve dial at seven o'clock, polished and brushed finish round case with sculpted lugs, date and time zone adjustment pushers in case band at eight o'clock and flanking crown, fitted maker's black leather strap with folding steel clasp, case, dial and movement signed Pierre DeRoche Vallee de Joux, together with Pierre DeRoche box 42.5mm.