Early years[ edit ] The first digital watchwhich debuted inwas the Pulsar manufactured by Hamilton Watch Company. Ina Pulsar watch NL C01 was released which could store 24 digits, making it most likely the first watch with user-programmable memory, or "memorybank" watch. The Data watch came with an external keyboard for data-entry.
Marking net and split time lap is also featured. It has an automatic calendar, although auto-adjustment for leap years is not supported, as the watch does not record the year. February is always counted as 28 days. However, these are seldom used in practice, so it is not uncommon for the battery to last 10 years or longer.
The watch case measures The manufacturer's module number for this model stamped on the stainless steel Casio smart watch of the watch case is The strap is 18mm at the fitting and 22mm across the widest part of the lugs.
Water resistance[ edit ] The watch has a reliable rubber seal between its steel back and case, but does not have any seals for its buttons.
Since they fit tightly enough, surface tension prevents water from getting inside, but only to a certain point of water pressure.
NOT suitable for showering, bathing, swimming, snorkeling, water related work and fishing", but the colored versions e. Even though the black version will resist an occasional water submersion if the buttons are not pressed, the watch should not be used in such conditions on a regular basis.
Durability[ edit ] The watch is known to be very durable, people have bought the watch to use in a variety of situations: The body of the watch is known for lasting longer than the 10 year battery life.
The watch will usually outlast the plastic strap that it comes with. Casio replacement straps are typically about the same price as a new F91W watch, however there are also replacement straps from other sellers available, usually at a fraction of the cost of the original ones.
It's also common to buy a cheap lookalike and use that strap. Operation[ edit ] Casio FW, in daily alarm mode and using the hour display option. The watch is currently set to sound its daily alarm at 7: The watch is controlled by three side-mounted push-buttons.
The upper left button turns on the light, cancels the alarm, resets the stopwatch or marks the split lap time, and is used for selecting settings.
The lower left button cycles the modes of the watch: The button on the right is the function button: Pressing all three buttons at the same time will fill all the cells on the LCD until any button is pressed again. The time or date is adjusted by pressing the lower left button three times to bring the watch to time adjustment mode.
The top left button is used to cycle through seconds, hours, minutes, month, date, day, and normal mode.A smartwatch is a wearable computer in the form of a wristwatch; modern smartwatches provide a local touchscreen interface for daily use, while an associated smartphone app provides for management and telemetry (such as long-term biomonitoring).
While early models could perform basic tasks, such as calculations, digital time telling, translations, and game-playing, s smartwatches have more. A smartwatch is a touchscreen wearable computer in the form of a wristwatch.
While early models could perform basic tasks, such as calculations, digital time telling, translations, and game-playing, s smartwatches have more general functionality closer to smartphones, including mobile apps, a mobile operating system and .
Innovative products bring joy, create new lifestyle and pave the way for related economies - especially, if they have been developed by CASIO. Experience how . This is a nice outdoor GPS watch with smart watch functions. The included Casio watch faces are quite nice and are configurable.
WearOS allows you to use/install other faces as well. The EDIFICE is CASIO's peak achievement in a metal analog watch, engineered to F1 standards. Next-generation watch that links with a smartphone - [Bluetooth(R) v Smart G-SHOCK] - Notifies the watch when a call or mail is received by the smartphone, automatic time adjustment via the smartphone.