Warren Greenawalt, Sr. Pocket Watch, c. 1915, (Unknown Swiss Maker)

This pocket watch was badly damaged when a bomb being loaded onto a bomber exploded, killing the ground crew. The crystal, dial and case were all damaged. A small piece of shrapnel pierced the case and damaged the movement inside the watch as well. Loan courtesy of Mr. Warren H. Greenawalt, Jr.

White enamel dial with both a 12-hour dial in black Arabic numerals and a 24-hour military style dial. Outer track has a 'tachymeter' scale graduated in kilometers per hour allowing direct reading from 240 Km/h down to 24 Km/h. The register at '12' o'clock is color coordinated in red (1st minute/240-60Km/h), black (2nd minute/58-30Km/h) and blue (3rd minute/29-24Km/h). Sub seconds at '6' O'clock.