8. 8Y Universal Genève. A stainless steel manual wind triple calendar chronograph wristwatch with moon phase Model: Tri-Compax Reference: 22250 Date: Circa 1950 Movement: 17-jewel Cal.481 manual wind, No.263098 Dial: Silvered, luminous alternating Arabic numeral and dot hour markers, black outer 1/5th second and tachymetre scales, subsidiary dials at 3, 6, 9 and 12 for seconds, 30 minute and 12 hour recording, calendar and moon phase, day and month apertures at 2 and 10, blued steel leaf hands with luminous inserts, centre chronograph hand Case: Brushed and polished round, snap on back engraved William B.Leach Niagara Falls N.Y., twin chronograph pushers, quick set buttons at 8 and 10, No.1154524 Strap/Bracelet: Brown crocodile leather Buckle/Clasp: Steel buckle Signed: Case, dial & movement Size: 34mm The Universal Genève Tri-Compax chronograph is an icon of 20th-century watchmaking. Introduced in the 1940s, it embodies the elegance and technical innovation of the Maison.Its harmonious dial subtly combines the chronograph function with a complete calendar. The moon phase adds a poetic and aesthetic dimension to its functionality. Its visual balance, despite the wealth of displayed information, makes it a highly sought-after timepiece. The refined case and well-proportioned design highlight its timeless appeal. A symbol of Universal Genève's craftsmanship, it remains a benchmark model for collectors. This watch unites technical mastery, style, and history in an exceptional timepiece.