This is a very nice watch from the early 50’s. Here is some information for the movement
Cal. 458/3B
Manual
Description: 9” round calibre, base cal. 457, fine-regulator
Jewels: 17
Overall Height: 3.30mm
Case Dimensions: 20.60mm
Vibrations: 18’000
The key mark with the number 4 (Poinçon de Maître),
tells that the gold case maker is: Antoine Gerlach SA
The mark Turler on the dial is the name of a long time and major Swiss retailer