Mod. “Doppelchronograph”, ref. 3713 Diam. 42 mm Steel case with screw back. Black dial with "matte" finish and white silk-screened Arabic numerals. Date at 3, 12-hour sub-counter at 6, continuous seconds at 9 and 30 minutes at 12
Clock with "split-seconds" function that can be activated using the button at 10 o'clock
Self-winding movement
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