Case / bezel material: Resin. LED light (Super Illuminator). Selectable illumination duration (1.5 seconds or 3 seconds), afterglow. 29 time zones (27 cities + coordinated greenwich mean time), daylight saving on/off. Measuring capacity: 59’59. Measuring modes: Elapsed time, split time, 1st-2nd place times. Measuring unit: 1 second. Countdown range: 60 minutes. Countdown start time setting range: 1 to 60 minutes (1-minute increments). Others: Auto-repeat, time up alarm. 5 daily alarms (with 1 snooze alarm). Full auto-calendar (to year 2039). Analog: 2 hands hour, minute (hand moves every 20 seconds). Accuracy: ±30 seconds per month. Battery life: 3 years on CR1220. Size of case : 47.4×43.4×14.8mm.