1930s steel rectangular vintage Jaeger LeCoultre watch

A stainless steel rectangular vintage Jaeger LeCoultre watch. The case measures 21.5 x 37.5 mm (including lugs). The case is signed Staybrite, Fab Suisse and numbered. The manual wind movement is signed Jaeger LeCoultre, Swiss and numbered. The two-tone silvered dial has black Arabic numerals with subsidiary seconds and fine blued steel hands. The dial is signed Jaeger LeCoultre above the centre.