Large Wristwatch by IWC

A 20^th Century Swiss lever movement by IWC fitted in a stainless steel wristwatch. Gilt three quarter plate keyless movement with going barrel.  Plain cock with polished steel micrometer regulator, compensation balance with blue steel overcoil hairspring.  Club foot lever escapement.  Signed white metal dial, subsidiary seconds offset at 9 o'clock, black Arabic numerals and applied polished batons, blue steel Breguet hands.  Large purpose made stainless steel wristwatch case.  Glazed back to display the movement.  Brown leather strap with white stitching.