• 1938 Eterna "Clamshell" Tank

    An early and very high grade Eterna Tank with stepped, two-piece stainless steel-bodied clamshell case. These were the first waterproof cases developed comprising of 4 x screws at each corner of the caseback, which fixed over the dial and movement to create a tight waterproof seal between the curvex crystal/case design. 


    This high polish, sharp stepped case is in amazing condition, and really looks unpolished, amazing it is from the 1940's !


    The dial is original, and beautiful, with two-tone silver finish, Art Deco simplicity at it's very best. Took at the staggered number configuration, it is really interesting, and exudes class.


    These early clamshell Eterna Tanks have a lot of value relatively speaking, and are equally as good in their design as Cartier, of the same era.


    We are big fans of this one!

    • The Specs

      Freshly serviced / Technical warranty: 1 year.



      • Two-piece waterproof stainless steel, with factory screw "clamshell" caseback
      • Good overall condition, possibly unpolished. Showing minor traces of use. 
      • 22 mm / 38 mm (lug-to-lug) / 16 mm (between lugs)
      • Plexiglass crystal
      • Serial number:
      • Reference: Eterna 
      • Original crown



      • Precise high-grade manual movement
      • Good condition. Freshly serviced.



      • Original silver two tone dial
      • plume hands


      Delivery set:

      • The watch comes with black leather strap
      • Gift Box
      • Our company’s warranty certificate
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