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+====== Zenith 4031 ======
+**Zenith 4031** is a calibre by [[Zenith]].
+[[Self-winding]] [[chronograph]] movement with [[big date]], [[minute repeater]], [[alarm function]], [[second time zone]] and triple [[power reserve indicator]]. Bi-directional winding ball-bearing [[central rotor]].
+Used with the model [[Zenith Grande Class Traveller Répétition Minutes]].
+<WRAP ud ud_mov>
+**Manufacturer:**
+  * [[Zenith]]
+**Description:**
+  * [[Self-winding]] movement, bi-directional winding
+  * [[Escapement]] Stone lever
+  * [[Yoke winding system]]
+  * [[Weight segment]] in 22ct [[white gold]] with [[Côtes de Genève]]
+  * [[Chronometer]] certificate ([[COSC]])
+  * [[Column wheel]] calibre
+  * [[Shock protection]] Kif-Ultraflex
+**Functions:**
+  * [[Chronograph]]
+  * [[Small seconds]]
+  * [[Big date]] with instantaneous date change
+  * [[Dual time zone]]
+  * [[Minute repeater]] a low tone indicates the hour, a double the quarter of an hour and a high tone the minutes
+  * [[Alarm function]] with two signal tones and vibration alarm
+  * [[Power reserve]] indicators for movement, [[alarm]] function and repetition
+**Data:**
+  * 13¼ [[ligne]]s
+  * D 30.0 mm, H 12.98 mm
+  * 63 [[jewels]]
+  * 744 components
+  * 36,000 A/h
+  * Power reserve > 50h
+**Production period:**
+  * Since [[2005]]
+</WRAP>
+{{tag>Movements Automatic_movements Chronograph_movements Minute_repeater_movements Zenith_calibres Grande_complication_movements}}