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MB&F HM4 Thunderbolt Watch

From the same minds that brought you the Frog Watch — otherwise known as Horological Machine No. 3 — comes the MB&F HM4 Thunderbolt Watch ($TBA), yet another piece of wrist-worn art masquerading as a timepiece. Also known as Horological Machine No. 4, the Thunderbolt sports a jet-inspired design with turbine-like pods for the time and power reserve, connected to the power reserve via unique vertical gear trains. In fact, each of the 311 components — including the titanium case, regulator, and even the screws — were developed specifically for this watch. It's finished off with a black hand-stitched calfskin strap with a custom designed titanium and white gold buckle.