Invisible solar cells in the watch convert light into energy and power all functions. A rechargeable battery provides the necessary capacity for operation in poor lighting conditions. A luminous coating provides long-lasting illumination in the dark even after brief exposure to light. The current date is shown on the display. Elapsed times are measured to the second. The watch can measure times of up to 30 minutes. Artificially manufactured glass with maximum hardness and scratch resistance. The solid stainless steel case ensures high quality and robustness. The screw connection on the case back provides optimum protection for the inner workings of the watch and also allows easy access, e.g. when changing the battery. Hard-wearing, durable and elegant: the stainless steel bracelet gives the watch a classic touch. Always reliable: This watch has a particularly secure safety clasp that prevents accidental opening of the strap. An indicator shows the current battery level. Perfect for swimming and snorkelling: The watch is water-resistant to 10 bar in accordance with ISO 22810.