IWC, Chronometre, movement No. 875745, case No. 904809, 18K yellow gold pocket wristwatch. Made in the 1920's.
CASE: Three body, polished and brushed, hinged gold cuvette.DIAL: Mother of pearl, gold Arabic numerals, outer minutes divisions, subsidiary dial for the seconds. Gold Breguet hands.MOVEMENT: Frosted gilt, straight line lever escapement, bimetallic balance, Breguet balance spring.Dial, case and movement signed, in good conditionDIAM: 47 mm