Fine, two-day marine box chronometer with 56-hour winding indicator and Guillaume balance. Wempe, Chronometerwerke, Hamburg, No. 8711, circa 1940.

Fine, two-day marine box chronometer with 56-hour winding indicator and Guillaume balance. Wempe, Chronometerwerke, Hamburg, No. 8711, circa 1940. C. bakelite bowl with weighting ring and threaded glazed bezel, gimbaled in two-body mahogany box with glazed panel on the top, mahogany handles and rectangular metal name plate, Breguet-type key in a corner plate, key-lock in front, gimbal ring locked by swiveling arm mounted in the front right corner. D. silvered, Arabic hour numerals, subsidiary seconds at 6 o'clock, up-and-down indicator at 12 o'clock. "Spade" steel hands. M. 85 mm, nickeled full plate, turned pillars secured by screws, fusee and chain, Earnshaw spring-detent escapement, Guillaume cut bimetallic compensation balance with four circular weights, helical balance spring with outer ter-minal curves. Dial and box signned. Dim: height, width and depth: 18 cm.