Top lens: PMMA, impact-resistant plastic.
Watch case: ABS, plastic.
Battery: 2 pcs AA (not included).
Accuracy: +/- 0.5 sec. per day.
Dimensions: Ø 110 mm, height including base 120 mm.
LED light at 12 o'clock position: To activate the light, place yout hand 1 cm above the clock.
With alarm and snooze function.