The bold dive watch changes its hue, not its DNA..

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Following the successful launch of the JB300 in 2024, Jacques Bianchi Marseille unveils a new edition of its military-inspired dive watch: the JB300 Bleue. The same robustness, the same technical precision — but a wholly new visual identity, defined by a dial in a deep, mysterious blue. This blue is not a mere aesthetic choice: it evokes the Mediterranean, the sea breeze, and elegantly reflects the watchmaker’s Phocaean heritage.