UNIVERSAL GENEVE Men's Tri Compax chronograph watch with a bracelet. Round case in yellow gold (750). Dial with a satin-finished gray background, signed, featuring Arabic numeral hour markers painted in black and a tachymeter scale painted in blue, as well as three sub-dials for the day, month, and moon phase, and four counters including the day of the month, small seconds, and tachymeter. Signed and numbered 188481 manual-winding mechanical movement. Reference 12253. Clip-on case back, signed and numbered 1043535. Black leather strap with a gold-plated metal pin buckle, attached separately. Circa 1950–55. Gross weight: 43.6 g. - Length: 22.5 cm. - Case diameter: 34 mm. Signs of wear, two sunken pushers (day and month), wear on the gold plating of the chronograph pushers.