10 size, 23 jewels . Case hallmarked inside the front and rear covers. Patent straight-line lever, key-wind, key-set movement. Typical swiss bar-style. Marked “Patent straight-line Lever Jewelled in 23 Actions - L. Reymond - Locle No. 1161” on cuvette. Movement signed. Single-sunk roman numeral dial. Gold/Blued steel gothic hands. CONDITION: Case is excellent with functioning cover spring. The inner bezel that holds the crystal in place has come loose, resulting in the crystal not sitting in place. It will require a minor adjustment to fit properly. The movement is excellent with just minor oxidization. The dial is badly chipped at 12 o’clock and a hairline extends down from there towards the centre of the dial. Hands are excellent. It wears a glass dome crystal. Gross weight of assembled watch is 59 grams.