Technical Details & Model History

• Case: stainless steel, approx. 35 mm diameter
• Movement: manual-winding caliber C12 T2 PC
• Dial: original black dial turned tropical brown with radium indexes
• Functions: chronograph
• Crystal: domed plexiglass
• Bracelet: Gay Frères stainless steel bracelet from the 1960s
• Reference: CK 2451
• Period of production: 1940s
• Special feature: caseback engraved with the Argentine Air Force emblem
• Condition: excellent, a rare example with strong historical value

Key Features

• Rare Omega CK 2451 issued to the Argentine Air Force
• Original tropical dial with radium indexes, highly desirable among collectors
• Military engraving on the caseback, an authentic and historically significant detail
• Gay Frères bracelet from the 1960s, perfectly consistent with the period

Historical Context

During the 1940s, Omega supplied chronographs to various military forces around the world, including the Argentine Air Force. Reference CK 2451 is one of the most representative models of this military production, valued for its robustness, legibility and precision. Examples featuring original military engravings on the caseback are particularly sought after by collectors today. This watch, with its tropical dial and Gay Frères bracelet, represents a rare combination of history, technical quality and aesthetic appeal.