G-SHOCK Classic, 45MM - GA-2100GB-1AER

Basic information
Case Dimensions (H x W x D) 48.5 × 45.4 × 11.8 mm
Weight 51 g
Case and bezel material carbon / resin
Strap Resin strap
Impact resistant structure
Carbon Core Guard structure
Waterproof Waterproof up to 200 meters
Power and Battery Life Approximate battery life: 3 years with SR726W X 2

External
Glass Mineral glass
Adjustable strap From 145 to 215 mm
Various Neobrites

LED Light A light-emitting diode is used to illuminate the dial.
Shockproof Shockproof construction protects against impacts and vibrations.
Neobrite The hands and/or numerals have a fluorescent coating and glow in the dark after a light source is turned off
World time function The world time function displays local time in up to 29 different time zones.
Stopwatch - 1/100 sec - 24 hours Elapsed time detection. The fraction indicates the unit of measurement while the number indicates the maximum measurement time.
Timer - 1/1 sec. - 24 hours For anyone who loves precision: countdown timers help you remember particular or repeating events by emitting an acoustic signal at the set time. The time can be set in seconds and up to 24 hours in advance.
5 daily alarms The daily alarm reminds you of events that repeat every day by emitting an acoustic signal at the set time. This model is equipped with 5 independent alarms to individually remind you of important appointments.
Hand movement function With the press of a button, the hands move allowing full visibility of functions such as stopwatch or date.
Activating/deactivating the sound of the keys With a special button it is possible to deactivate the sound of the lyrics. After deactivation, no acoustic signal will be emitted when switching from one function to another. However, the set alarms or the countdown timer remain active even after deactivating the key sound.
Automatic calendar Once set, the automatic calendar always displays the exact date.
12/24 hour format L? can now be displayed at 12 or 24 hours.
Mineral glass Mineral glass, robust and more resistant to scratches, protects the watch from unsightly damage.
Resin strap The resin is synthetic, an ideal material for straps thanks to its extreme resistance and flexibility.
Buckle The bracelet is equipped with a buckle.
3 years - 1 battery The battery powers the watch for approx. 3 years.
Water resistance rating (20 bar) Perfect for free diving without equipment: the watch is waterproof up to 20 bar (ISO 22810).