Hamilton H42575783 Jazzmaster Jazzmaster Maestro Small Second AutoProduct Overview The perfect timing of a first class maestro (great musician). True to its name, the second hand of the Jazzmaster Maestro Small Second, positioned at 6 o'clock, evokes the image of a maestro. Specifications Product Number H42575783 Caliber No caliber Collection Jazzmaster Movement Automatic Functions Small Second, Date Display Case Size 40mm Thickness (mm) 11 Dial Color Gray Case Material Stainless Steel Crystal Sapphire Crystal Lug