SUPERB Herma wristwatch for men, Swiss Chronograph, 18 kt-750/1000 GOLD, from 1930s-1940s, in perfect working order Landeron 148 calibre, from the 1930s-1940s, clean serviced movement Hand wind mechanical movement The chronograph feature is in very good working order and the wristwatch keeps time well. The casing is in 18 kt-750/1000 Gold, the back of the wristwatch is also in 18 kt Gold Total gross weight of the wristwatch: 42 g The wristwatch is numbered 6750 émé with a stamp. Wristwatch diameter: 37 mm (excluding the winder) The dial is champagne-coloured with Arabic numerals (2 4 6 8 10 12) The crown is not screwed. The push buttons are rectangular. The push button at 10 o'clock switches on the chronograph. To stop the chronograph, press the push button at 10 o'clock a second time to stop the chronograph, and then push the second button at 4 o'clock in order to reset the second hand to the 12 o'clock position. The 180 mm strap is made of rolled-edged brown waterproof shark leather in good condition The dial features the following functions: Hours, (centre) minutes, seconds at 9 o'clock, the centre hand of the chronograph is often called second hand (at 3 o'clock in this case) Chronograph with minute counter - Scaling for reading the observation time to 1/5 second (the innermost scale). - Observation timing up to 60 minutes via the sub dial at 12 o'clock. Timing of the length of a phone conversation. At the time, phone taxes were usually calculated based on a 3-minute conversation. That's why the minute counter of the chronograph at 3 o'clock features special markers that are 'longer' to indicate the third, sixth and ninth minutes. Telemetry scale The telemeter measures the distance separating the observer from a phenomenon, first visual then auditory. Tachometer scale Scaled to enable the measurement of high speeds. In good overall condition for an 80 year old wristwatch No reserve price!!!! Happy bidding to you!!!! Delivery via La Poste Colissimo €12 for France/€17 for Europe/€25 for the rest of the world