IPI Watch, 1950s. 18k gold

IPI WATCH. 18-karat gold chronograph wristwatch. Switzerland, 1950s.
Circular 18-karat yellow gold case, hallmarked, with stylized lugs. Copper-toned dial with Arabic numerals at 12 and 6 o’clock and applied hour markers. Blade-style hands and central chronograph seconds hand. Bicompax chronograph configuration, with two subsidiary dials located at the 3 and 9 o’clock positions. Perimeter tachymeter and telemeter scales. Fluted crown at 3 o’clock, flanked by two rectangular pushers for operating the chronograph. Hand-wound mechanical movement.
Beige leather strap.
Shows signs of wear and significant damage to the dial, with oxidation and wear on its graphic elements. Needs servicing.
Weight: 37 g (total weight).
Measurements: 35 x 45 mm.