细节
an american two-day marine chronometer
hamilton watch co., model 21, (n)3198. circa 1941
The silvered dial signed HAMILTON LANCASTER, P.A., U.S.A. (N)3198 1941, Arabic hour numerals, subsidiary seconds and up-and-down dials, black finish hands, nickel-plated frames with parallel-line spotting, the top plate inscribed MODEL 21 14 JEWELS, HAMILTON WATCH CO., LANCASTER, PENNA, MADE IN U.S.A. (N)3198-1941, the pillar plate numbered (N)3198 1941, Earnshaw escapement, Hamilton spring detent with jewelled pallet, uncut stainless steel balance rim with invar cross-arm and helical balance spring, brass bowl and gimbal in two-tier mahogany box, the lower section with plaque inscribed HAMILTON WATCH CO., LANCASTER, P.A., U.S.A; with oak guard box
12cm dial dia., 18.5cm. sq. box, 23.5cm. sq. guard box