Casio Analog-Digital GST-B400D-1AER

Product Information

The GST-B400 is made possible by even further miniaturization of its parts and thinning of its modules without sacrificing any Bluetooth or solar function. Power consumption has also been significantly reduced. Elapsed time, split time and final time are measured with 1/100-sec accuracy. The watch can measure times of up to 24 hours. Dual Illuminator: Separate illumination of the analogue and digital components ensures optimum readability in low light conditions., LED light, Selectable illumination duration (1.5 seconds or 3 seconds), With afterglow In terms of design, the number of button guards has been reduced as much as possible, enabling the use of large stainless steel buttons that are slim yet easy to operate.

CASIO WATCH+ World Time lets you select from among approximately 300 cities as the World Time City, Displays the current time in major cities and specific areas around the worldAfter the Alert: The following operations are stopped to save power: all hand movement (excluding the day indicator), Bluetooth connection, if applicable, and alarms Misplaced your smartphone? All it takes is the push of a button on your watch and the smartphone sounds an alarm. Technical amendments and errors excepted. The sizes in figures do not correspond to the original sizes.

If you require an extra large bracelet or you are in need of additional links these may be supplied at an additional cost.

Model Comparison

Measuring Capacity: 24 hours, Measuring Mode: Elapsed time, Measuring Unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes) A high-capacity solar-charging system harnesses the power of any light source for reliable watch operation with minimal impact to the environment. And there’s more good news. The movement has an approximate operating time of seven months on the rechargeable battery. And it’s accurate ±15 seconds per month when there’s no mobile link function and it has to work all by itself. When connected with the phone, it uses automatic time adjustment, and it runs spot-on. The movement will also last for 18 months on its rechargeable battery when it’s “hibernating” in total darkness with the power save function on after a full charge.

time zones* (38 cities + coordinated universal time), daylight saving on/off, auto summer time (DST) switching, home city/world time city swapping Casio did a great job in reducing the size of the guards around the stainless steel buttons that are slim yet easy to operate. It makes the GST-B400 look less like an instrument. The top bezel shows no less than five different finishes, and the middle bezel has four different finishes. It sounds like a lot of decoration (and it is), but the result is subtle and brings a richness to a watch that is not only for the rich.Perfect for free diving without scuba gear: the watch is water resistant up to 20 bar according to ISO 22810. The daily alarm reminds you about recurring events with an acoustic signal at the time you have set. This model has 5 independent alarms for flexible reminders of important appointments. The lower profile is a result of a newly designed module that is smaller with less components, combined with a high-density mounting with a flatter layout. With two analog hands, the Tough Solar-powered GST-B400 also consumes 55.7% less power than the GST-B200, and this allows for a new dial design with a metallic texture. For the GST-B400AD and GST-B400BD models, the dial is treated with a multilayer vapor deposition to create a vividly colored dial. Casio’s G-STEEL can be wirelessly connected to yoursmartphone via Bluetooth, which enables access to a wide range of useful functions Powered by any light source, saving time and money as no battery change required- known as TOUGH SOLAR

Invisible solar cells in the watch convert light into energy and supply all functions. A rechargeable battery provides the necessary capacity for operation in poor light conditions. Watch sizing can only be generally carried out on watches with metal bracelets, steel, titanium, gold, etc.The combination of stainless steel and carbon fiber reinforced resin supports the stability of the watch and provides a better wearing comfort. With a push of a button, hands are moving and permit a free visibility of functions like stopwatch or date. Introducing new color variations to the lineup of slim G-STEEL GST-B400 models with new, improved designs made possible by a thin module and carbon core guard structure. There is a standard model in this lineup, the all-silver color GST-B400D. A luminous coating provides long-term illumination in the dark after only a short exposure to light. The complicated dial gives the watch its distinctive utilitarian appearance. The watch features a digital display.