Manufacturer: Heuer, Switzerland Reference: 347 Type: Manual-winding 2-reg chronograph Year of production: ca.1944 Case type: 3-body case, with snap-on case back, mixed satin and high-polished finish. Case material: Chrome-plated Case measurement: 36.5 mm (without crown) / 43 mm (lug-to-lug) / 18 mm (between lugs) Case serial number: 55159 Case back: Snap-on case back, signed 'Heuer / Fond Acier Inoxydable' and case serial number on the inner side of the caseback. Crown/pushers: Original steel fluted crown, original pushers. Crystal: Acrylic Movement type: Manual-winding 30-minutes 60-seconds chronograph Movement model: Valjoux 22, signed 'Heuer'. 17 jewels, 18,000 A/h, 40 hours of power reserve. Movement serial number: 701589 Dial: Amazing original creamy-white dial decorated with black printed seconds scale and radium Arabic numerals. Signed "Heuer" at 12 o'clock. Small seconds subsidiary dial at 9 o'clock, 30-minutes counter's subsidiary dial at 3 o'clock. Hands: Radium hours, minutes hands and black sweep hand, small chrono hands. Case condition: Fair. Rechromed. With signs of wear. Movement condition: Perfect. Adjusted and keeps good time. All functions work properly. Dial/hands condition: Original dial in mint condition. Original radium hands. Overall condition: 2 (fine)