Case: Two-body, solid, polished, case back with 4 screws, domed sapphire crystal. Dial: Guilloché silver with painted radial Arabic numerals, subsidiary dials at 12 and 6 for 2 additional individually adjustable time zones, aperture for the date. Blued steel double spade hands.Movement: Cal. 2800, rhodium-plated, fausses cotes decoration, 21 jewels, straight-line lever escapement, monometallic balance adjusted to 8 positions, shock absorber, self-compensating flat balance spring, micrometer regulator.Dial, case and movement signed.Dial, case and movement in good conditionDim: 45 x 32 mm Thickness 12 mm.