Ulysse Nardin Ref. 381-22 Limited Edition 175th Anniversary Monopoussoir Ulysse Nardin, Le Locle, Swiss, “Chronographe Monopoussoir 175ème anniversaire, No. 13/175, Ref. 381-22. Made in a limited edition of 175 pieces to celebrate the 175th anniversary of the Ulysse Nardin firm in 1998, sold on September 26th, 2002. Very fine and rare, water-resistant, 18K yellow gold wristwatch with co-axial single-button chronograph, register, pulsometer and an 18K yellow gold Ulysse Nardin buckle. Accompanied by certificate, certificate of limited edition and instruction manual. C. Three-body, solid, polished, case back with 4 screws and embossed with a portrait of Ulysse Nardin, concave lugs, sapphire crystal. D. White with painted Breguet numerals, subsidiary seconds and 30-minute register dials, outer minute/1/5th seconds track, outermost red pulsometer scale. Blued steel spade hands. M. Cal. UN 38, rhodium-plated, fausses cotes decoration, 21 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, the co-axial single button on the winding crown for start/ stop and return-to-zero. Dial, case and movement signed. DIAM. 37 mm. THICKNESS 10 mm.