What is illumination duration in G-shock? Post author By Post date 25th July 2022 All Questions & Answers › Category: g-shock › What is illumination duration in G-shock? 0 Vote Up Vote Down seeker asked 4 months ago And can I switch it off? Related 1 Answers 0 Vote Up Vote Down yamakot Staff answered 4 months ago Backlight duration can be from 1 to 5 seconds, depending on the model, and you can adjust this setting in your watch yourself. Consider the battery capacity of your watch – the longer the backlight is on, the faster the battery will run down. Related ← What are the city codes for G-shock? → How do I turn off auto illumination on G-shock?