The B&W Type 4000 Rugged, Waterproof Case from Germany's premier specialist case manufacturer, B&W International.
The case is entirely waterproof (tested to 5 metres), dustproof and airtight, and is TÜV approved for use in the temperature range -40°C to +80°C. The Type 4000 case is virtually unbreakable (the TÜV test included a fall to concrete from 3 metres) and has a 30 Year Guarantee against material or component failure in regular use.