Hamilton H24251310 Ventura S QuartzProduct Overview The world's first battery operated wristwatch featuring an iconic triangular case and futuristic design. Even more than half a century after its debut, its characteristics remain unchanged. The "Ventura S" features a three dimensional avant garde pattern on a black or white dial, paired with a matching rubber strap. Every time you wear this watch, it reminds you that the future is filled with unseen possibilities. Specifications