cal. 215 circular nickel lever movement free-sprung Gyromax balance 18 jewels adjusted to heat cold isochronism and 5 positions • two-tone silvered dial applied pink gold Arabic 12 and baton indexes radiating from the circular center outer minute tracking pink gold feuille hands subsidiary seconds • 18k pink gold rectangular case stepped bezel back secured by 4 screws • case dial and movement signed • with an 18k pink gold Patek Philippe buckle