3-074-841 - The Print Collector/Heritage Images

Advertisement for Benson's Keyless "Special Make" Sportsman's Chronograph, 1883. 'GOLD, £30, SILVER, £15. For racing, medical, or engineering purposes, and as used by us for timing Derby, Boat-Race, &c. Half Chronometer Movement, of special strength, jewelled throughout, and compound balance, with fly-back chronograph action, by which any number of durations may be taken with perfect accuracy without stopping the watch, as in ordinary centre seconds and chronograph watches. Invented and perfected by us, and recommended to sporting and medical men requiring a watch combining perfect accuracy and durability. Sent free, and at our risk, to all parts for £30 draft with order. Silver, same quality, £15'. From "Illustrated London News", 1883.