Your Night Vision II timepiece has a
Batteries for Light Function – Night Vision II
The lighting modules of your Night Vision II timepiece
operate off of a separate battery power source than the timepiece movement itself (1 battery cell). Batteries for light function are:
Night Vision II – one 3 volt 2032 Lithium
Please use an authorized Victorinox Swiss Army service center in the event either the light module or timepiece battery require replacement.