CASE: Three-body, polished, curved lugs, snap-on case back.DIAL: Silver with applied Arabic numerals and dart indexes, subsidiary guilloche dials for the seconds and the 45 minute register, outer minute/seconds division. Steel Baton hands.MOVEMENT: Cal. 143, rhodium-plated, straight line lever escapement, monometallic balance, self-compensating Breguet balance spring, index regulator. Dial, case and movement signed, in good conditionDIAM: 36 mm. THICKNESS: 12 mm.