SEA

SEA Schliess-Systeme AG is a Swiss lock manufacturer that produces medium and high security padlocks, lock cylinders, and electronic locks.

History
The company was founded as Berchtold AG in 1935 by Rudolf Berchtold. In 2004, the name of the company was changed to SEA Schliess-Systems AG.

Mechanical locking systems
SEA-Normal
 * Basic system, on the market since 1949
 * 10 springless bar-wafers
 * Duplicate keys without special permission

SEA-2
 * Registered system, on the market since 1964
 * 10 springless bar-wafers
 * up to 4 miniature pin-tumblers
 * Duplicate-Key orders only with safety certificate or deposited signature card

SEA-3
 * Registered and patented system, on the market since 1978
 * 10 springless bar-wafers
 * up to 4 miniature pin-tumblers
 * Duplicate-Key orders only with safety certificate or deposited signature card

Electromechanical locking systems
SEA-Vision