Automatic mechanical movement Longines calibre L888.4 (ETA A31.L11 base). Features 21 jewels and a beating rate of 25,200 vph (~28,800 bpm). Includes date display at the 3 o'clock position. Analog dial design with Roman numeral hour markers and white dial color. Equipped with blue luminous hands for legibility. Minute marks are present around the outer rim. Features a fixed stainless steel bezel of type metal (commonly known as screwdriver or solid). Case is crafted from stainless steel, measuring 40 mm in diameter and 10 mm thick. Includes round case shape and scratch-resistant sapphire crystal. Powered by an automatic winding mechanism with approximately 64 hours power reserve (~5 days operation). Secured transparent case back allowing view of the movement components. Band is a bracelet made from stainless steel, measuring 20 mm in width. Clasp type is fold over clasp equipped with push button release for secure fastening. Water resistant up to 30 meters / 100 feet depth suitable for shallow water activities or light rain exposure.