Vintage swiss watch Zenith manual winding cal 2532 Pre-Respirator

Brand Zenith
Model Pre-Respirator
Gender Men's
Movement Hand Winding
Caliber 2532
Case material Stainless Steel
Diameter 29 mm
Bracelet material Synthetic leather
Year 60s
Condition Fair
Box No
Papers No
Working Yes
Observations

Pre Respirator. 29 mm without crown and 31 with crown. Wear of the passage of time