Halcyon pressure gauges are as reliable as they are accurate. An industrial-strength spring designed for pressures beyond 5,000psi (400bar), high-quality materials, and a highly visible luminescent face, makes this SPG a common favorite among divers in all environments.

The weight and size of Halcyon’s Master SPG gauge make it well suited as a primary SPG. The large, clear display is easy to read in all diving conditions.

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