The collectible 1964 Rolex Daytona ($20,000, above) and the multi-function models on the next page remind us why chronographs are worn by astronauts, pilots and race-car drivers. From the rugged quartz-movement Casio G-Shock to the elegant, mechanical Tiffany CT60, these watches are stylish, versatile and timeless.

Clockwise from top left:

ROLEX Cosmograph Daytona, $37,450

TIFFANY CT60 Chronograph, $6,750

OMEGA Speedmaster Grey Side of the Moon, $12,000

CASIO G-Shock, $350

MOVADO Series 800, $1,495