Speedmaster ladies' chronograph automatic watch with model number 3815.72.55. Silver-tone stainless steel case, grey leather strap, fixed silver-tone bezel set with diamonds on the bezel material. Features a white dial with silver-tone hands and Arabic numeral hour markers alongside index markers; minute markers are present around the outer rim. Equipped with three sub-dials showing 60 second, 30 minute, and 12 hour measurements. Powered by an automatic movement; solid case back. Classic round shape measures 37 mm in diameter. Band length is approximately 6.75 inches (or 17 cm). Secured with a fold-over clasp that includes a safety release mechanism. Functions include chronograph, analog timekeeping for hours, minutes, and seconds display. This item belongs to the Speedmaster collection and carries the "Swiss Made" label indicating its origin.