Automatic movement Longines Calibre L591 (ETA A20.L01 base), 22 jewels, analog white dial with black Roman numeral hour markers and minute markers, stainless steel round case size 38mm thickness 8.1mm, fixed stainless steel bezel, sapphire crystal scratch-resistant glass, pull/push crown, transparent case back, unisex design, single fold over clasp push button release (band width: 20mm), water resistant to 30 meters / 100 feet, functions display hour and minute.