Product Description [Extremely Rare, Original] Casio PULSECHECK JP-100W This is a legendary vintage watch from the late 1980s, featuring a sensor that measures your pulse with your fingertip. ■ Maintenance & Operational Status Battery replaced: The battery was recently replaced, so you can use it right away. Operation confirmed: The watch functions and the heart rate sensor are working and measuring correctly. Sound check: Sounds such as alarms and operation tones are also working without any problems. ■ Condition of the Item LCD: The display is slightly faded (a bit dim) due to aging. This is typical of old digital watches, so please check the images. Appearance: There are scratches and minor wear from use, but no critical damage. Belt: The watch has a belt with a used feel. ■ Features This is a retro gadget that is the origin of today's smartwatches, measuring your pulse by placing your finger on the sensor. It's a must-have for Casio collectors from the 80s and 90s. * Please purchase only if you understand the characteristics of vintage items, as this is a very old precision instrument. #Casio #CASIO #JP100W #PulseCheck #VintageWatch #OldCasio #BatteryReplaced #RetroGadget #80s