Sentence:  Sunning himself on the board steps, I saw for the first time Mr. Farquhar Fenelon Cooke....A silver snaffle on a heavy leather <WSD>watch</WSD> guard which connected the pockets of his corduroy waistcoat, together with a huge gold stirrup in his Ascot tie, sufficiently proclaimed his tastes. 
Meaning of the word marked with <WSD> tags:  A portable or wearable timepiece.