Automatic mechanical movement Calibre L619/888 based on ETA 2892, 21 Jewels; beating rate 25200 vph (approx); power reserve ~64 hours. Stainless steel round case with domed fixed bezel and bracelet. Blue dial features silver-tone leaf-style hands and diamond hour markers. Minute markers are present around the outer rim. Analog dial type, date display at the 6 o'clock position. Scratch resistant sapphire crystal glass. Pull/push crown for setting time/date (date visible through sapphire crystal). Transparent case back to view the automatic movement within a Swiss Made watch labeled Longines Master Collection Automatic Diamond Mens Watch L2.6284976, water resistant up to 30 meters / 100 feet; band width is 20 mm.