Longines ships chronometer (small) in wooden chronometer box. Movement marked Longines W. Co. Swiss. Twenty one (21) Jewels, Eight (8) Adjust'ts. Serial no. 2059738. Sterling Silver case marked Longines W Co., Swiss, 0.935 Sterling Silver, 2059738 on inner cover. Outer cover marked Sterling Silver 0.935 , 2059738. Dial marked Longines, with 50 hour up/down indicator and seconds dial. Back of case engraved, U.S. Navy, 2059738. Brass trimmed mahogany case marked Longines Watch Co. No. 2059757.