A Collected Man - Zenith meant business with the S.58. Introduced in 1958 (subtle clue in the name) as a tool watch expressly designed for military use. According to Manfred Rössler, in
For Your Reference: Zenith S.58 — Rescapement.
Zenith - S.58 - Homme - 1950-1959 - Catawiki
1950 Zenith S.58 Military Watch For Sale - Mens Vintage Date Time only
ZENITH S58 - acc
Zenith S.58 Divers Watch - Mark I - c.1958 - Calibre 120 Movement – Vintage Watch Specialist
Zenith S.58 – L'Atelier du Temps
Ref S58 Vers 1960 Modèle plongeur en acier automatique.… | Drouot.com
Vintage Zenith S58 Diver sold on watchPool24
Zenith S.58: For Your Reference - by Tony Traina
Vintage Zenith S58 MKIV - Unpolished sold on watchPool24
Vintage Zenith S58 MKIV - Unpolished sold on watchPool24
ZENITH, S 58. - Bukowskis
ZENITH S58 - Veldeszenith
Lot - ZENITH S 58. ANNéES 60 A stainless steel self winding diving watch by Zénith.
1950's Rare Vintage Zenith S 58 Diving Milatry With Bakelite Bezel - Awadwatches