Hamilton H38429110 American Classic Intra-Matic Chronograph HProduct Overview The joy of winding the "Intra Matic Chronograph H" with your own hands. This model, equipped with Hamilton's new hand wound chronograph movement "H 51 Caliber," is a timepiece that touches the heart. The iconic "panda dial," visible through the box shaped sapphire crystal with anti reflective coating, embodies a rich heritage. Specifications Product Number H38429110 Caliber H 51 Collection American Classic Movement Mechanical Function