a l i q u i d c r y s t a l p a n e l i s approximately 7 years. After that 
CAL. H021 specifications
The Seiko CAL. H021 is a remarkable timepiece that embodies the brand's commitment to innovation and precision watchmaking. Introduced as part of Seiko's extensive line of quartz watches, the CAL. H021 stands out for its unique blend of technology and design, making it a favorite among watch enthusiasts and collectors alike.One of the main features of the Seiko CAL. H021 is its advanced quartz movement, which provides unparalleled accuracy and reliability. This movement is designed to be highly efficient, offering an impressive battery life that can last several years with regular use. The incorporation of Seiko's proprietary technology ensures that this watch can withstand the rigors of everyday wear while maintaining its precision.
A defining characteristic of the CAL. H021 is its analog-digital display. The combination of traditional hour and minute hands with a digital readout offers the best of both worlds. The analog display provides a classic watch aesthetic, while the digital feature adds functionality, allowing users to quickly access vital information such as the date, alarm settings, and even a stopwatch function. This dual functionality appeals particularly to those who seek a versatile timepiece.
Additionally, the CAL. H021 boasts a host of technological advancements, including an easy-to-read LCD screen and a wide variety of features tailored to the modern user. This includes multiple alarm settings, a countdown timer, and a perpetual calendar. The watch is designed with user convenience in mind, all easily accessible through the intuitive interface.
The design of the Seiko CAL. H021 is equally impressive. With a robust and stylish case, it strikes a perfect balance between durability and elegance. The use of high-quality materials not only enhances its aesthetic appeal but also ensures longevity. The watch is often equipped with water resistance, making it suitable for everyday use, whether you're at the office or engaging in outdoor activities.
In summary, the Seiko CAL. H021 is a prime example of the brand's dedication to merging cutting-edge technology with classic watch design. Its advanced quartz movement, unique analog-digital display, and robust build make it a standout piece in the realm of quartz watches. Whether you're a seasoned collector or looking for a reliable daily wear watch, the CAL. H021 encapsulates the essence of Seiko’s craftsmanship and innovation, ensuring it remains a sought-after model for years to come.