Technical Details & Model History

• Case: stainless steel, 41 mm diameter
• Movement: manual winding Universal Genève caliber 24H Cal. 90
• Dial: original white with beautiful even patina, featuring chronograph registers
• Functions: three-register chronograph + 24-hour time indication
• Crystal: domed plexiglass
• Reference: 890101/01
• Year of production: 1960s
• Strap: high-quality brown leather
• Condition: excellent, original dial and components

Key Features

• Aero-Compax 24H version, among the most technical and rare Universal Genève models
• 24-hour indication designed for aviation and navigation use, with symmetrical and balanced layout
• Original white dial with natural patina enhancing its vintage charm
• High-grade column-wheel chronograph movement

Historical Context

The Aero-Compax is one of the most iconic and sophisticated chronographs ever produced by Universal Genève. The rare 24-hour version, reference 890101/01, was designed for pilots and navigators requiring 24-hour time indication. With its technical yet harmonious dial, it stands today as a masterpiece of functional design and one of the most coveted references among vintage chronograph collectors.