A bright and functional watch for all occasions – the Casio Edifice EFA-121 model. In such a watch, you can safely go on a trip around the world, because the model is equipped with a world time function that displays the current time in 12-hour or 24-hour format (in major cities and certain areas around the world).
Important Information
- Year of first Release — 2012
- Module Number — 4334
- Model Range — Edifice World Time
- Battery Type — SR927W (Edifice Batteries)
EFA-121 Model Range *may be updated
EFA-121D-1 
EFA-121D-7
The most distinctive specs of EFA-121 *Editorial
— 100-meter water resistance (good for swimming but not for deep diving)
— World Time (Current time in 48 cities)
— Thermometer (can measure and display the outside temperature in a range from -10 C to 60 C)
— 1/100-second Stopwatch (memory provides storage of up to 50 lap times that can be transferred to your phone)
— Memory capacity: 50 records (used for lap times and total elapsed time)
— Countdown timer (Countdown range: 24 hours)
Official EFA-121 Specs / Features *for base version EFA-121D-1AV
- Auto Illuminator
An electro-luminescent panel causes the entire face to glow for easy reading. Auto Light automatically turns on the EL backlight when the watch is tilted towards your face for reading. - Neo-display
A luminous coating provides long-term illumination in the dark after only a short exposure to light. - Thermometer (-10°C / +60°C)
A sensor measures the ambient temperature around the watch and displays it in °C (-10°C /+60°C). - World time function
Displays the current time in major cities and specific areas around the world. - Stopwatch function – 1/100 sec. – 100 hours
Elapsed time, split time and final time are measured with 1/100-sec accuracy. The watch can measure times of up to 100 hours. - Lap memory 50
Measured total, lap and split times can be stored in a memory with the date and can be displayed again later. A data set consists of: date, total, lap and split times. The memory has enough space for up to 50 data sets. - Timer – 1/1 min. – 100 hours (with automatic repeat)
For fans of precision: the countdown timers help you to remember specific or recurring events by giving off an audible signal at a preset time. They then count back automatically from the preset time. The time can be set to the minute and up to 100 hours in advance. Ideal for people who need to take medicines every day or those who do interval training. - Daily alarm
The daily alarm reminds you of events that recur every day, by emitting an audible signal at the set time. - Button tones on/off
The button tones for using the mode button can be turned off. This means that the watch no longer beeps when switching from one function to another. Preset alarm or countdown timers remain active when the button tones are deactivated. - Automatic calendar with Date, Day and Month
Once set, the automatic calendar always displays the correct date. - 12/24-hour timekeeping
Times can be displayed in either a 12-hour or 24-hour format. - Mineral glass
The tough mineral glass resists scratching. - Spherical glass
The surface of the watch glass is domed. This offers a high level of stability and resistance against pressure. - Solid stainless steel case
The solid stainless steel watch case provides a valued and robust quality. - Stainless steel band
Tough, durable and elegant: The stainless steel wrist strap gives your watch that classic feel. - Safety Catch
Always reliable: This watch has a particularly secure safety catch, which helps prevent the strap from opening by mistake. - 3 Years – 1 Battery
The battery supplies the watch with sufficient energy for approx. three years. - Water resistance classification (10 bar)
Perfect for swimming and snorkelling: the watch is water resistant to 10 bar according to ISO 22810. - Dimensions (H x W x D)
48,40mm x 44,90mm x 13,10mm - Weight
approx. 153,00 g
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