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The Hublot Big Bang square watch is crafted from lightweight stainless steel for a comfortable and snug fit. It features sapphire crystal, a textured rubber strap inspired by the Big Bang series, and the market-acclaimed one-click quick-release system. It houses the exclusive Hublot 7750 modified HUB1280 movement, with chronograph subdials replacing the traditional dial, offering a clear view of the intricate workings of the movement. The iridescent hands add to its impeccable quality. 42mm.