Defender
The DEFENDER is a chronograph equipped with a telemeter, a measurement scale allowing to determine the distance separating an event between its observer and a given point, by the intermediary of the speed of sound is 340.29 meters per second. Its most common application is to measure the distance between the user and a thunderstorm. The stopwatch is started when the lightning is seen, and stopped when the thunder is heard.

Defender NL1043A
$265

Defender NL1043B
$265

Defender NL1043C
$265

Defender NL1043D
$265

Defender SS1043E
$285

Defender SS1043F
$285

Defender SS1043G
$285

Defender SS1043H
$285