Brand Universal, Geneva Model ‘Tri-Compax’, ‘H.P.C’, High Precision Chronometer Retailed by retailed by Henriques Pfeffer, Caracas (Venezuela) Year circa 1968 Reference Ref. 881.101 / 03 Movement unnumbered Calibre UG 281, manual-winding, 18 jewels Case No. 2 684 041 Material/s stainless steel Bracelet stainless steel UG bracelet (by Gay Frères, Geneva) Buckle stainless steel UG deployant clasp (dated 3/67) Dimensions Ø 35.7 mm. 45 x 35.7 mm. Ø 36.3 mm. (bezel) Thickness 13.2 mm. Length - Weight 79.7 gr. (approx.) Signature dial, case and movement Accessories original fitted box, Certificate of origin (dated August 24, 1968); Extract from the Archives (dated September 12, 2023) Universal Ref. 881.101 / 03, chronograph, minutes and hours counters, triple date, moon phases, dark-grey ‘T’ (tritium) dial, white and blue inner bezel, outer bezel with black insert; ‘Tri-Compax’, ‘H.P.C’; stainless steel -- Stainless steel, manual-winding, round-shaped, gentleman’s wristwatch, with subsidiary seconds at 9 and seven horological complications: 1/5 second chronograph (activated by the two round-shaped push-pieces located on the case-band; start, stop and return to zero functions), with tachometric scale graduated on the bezel for 500 units per hour Half-instantaneous 30-minute counter (subsidiary dial at 3 o’clock) Dragging 12-hour counter (subsidiary dial at 6 o’clock) Instantaneous date of the month (subsidiary dial at 12 o’clock) Day of the week (aperture at 10:30; indications given in English) Month of the year (aperture at 1:30; indications given in English) Age and phases of the moon (subsidiary dial, graduated from 0 to 29 ½, and aperture at 12 o’clock) Case: two-piece, polished, water-resistant with screwed case-back; polished ‘U’ crown; stainless steel bezel with black insert. Dial: dark-grey colour, with applied radiating luminescent ‘T’ (tritium) indexes, silver colour auxiliary dials with black painted radiating and revolving Arabic numerals; white and blue inner bezel; white painted skeleton luminescent ‘Bâton’ hands. Movement: calibre UG 281, manual-winding, 18 jewels.
