細節
Longines: A large silver keyless open face pocket watch with Up-and-Down indication, in plain case engraved to the reverse U. S. Navy. No. 4059, the matt silvered dial with Arabic numerals and large subsidiary seconds, the signed polished movement with bimetallic balance and micrometer regulation jewelled to the centre with seven adjustments and numbered 2978077
66mm. diam.
66mm. diam.