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Bremont Supermarine S300 Kaimu 40mm S300-KAIMU-B

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  • S300 Kaimu – a tribute to the Hawaiian volcanic black sand beach
  • Combining elegance with technical excellence
  • Presented within a 40mm stainless steel Trip-Tick® case
  • Powered by the BE-92AV movement
  • Water resistant to 30 bar (300 metres)


Launched in 2009, the Supermarine collection brings together unique design with the ability to perform in extreme conditions, as tested by numerous military squadrons and top dive units around the world.

The S300 Kaimu is a stylish, monochrome dive watch, inspired by Kaimu beach in Hawaii with its dramatic, volcanic black sand beach.

Devastated by the eruption of the Kilauea volcano in 1990, the beach and local habitat have been restored to their former beauty, thanks to locals and visitors planting sprouted coconuts to replace the lost vegetation. An incredible example of endurance and replenishment.


Housed within a 40mm stainless steel Trip-Tick® case, the volcanic black dial features rose gold plated hands and indexes, filled with Super-LumiNova® for enhanced visibility in all conditions.

A new feature in the Supermarine range, the closed case back is decorated with a subtle wave pattern, concealing the BE-92AV movement within.

Secured with a stainless steel bracelet, this watch is water resistant to 30 bar (300 metres) and benefits from a 38-hour power reserve.

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