Ballon Bleu 42mm

Reference WSBB0049, a 2021-to-present 42mm steel Ballon Bleu, pairs a blue-silver guilloche dial with an interchangeable steel bracelet, the bracelet companion to the leather-strap WSBB0026. The automatic 1847 MC caliber drives it at 28,800 vph with a 42-hour power reserve, rated to 30m.

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