1930’S TAVANNES WATERSPORT REF. 5550 TANK STEEL CLAMSHELL

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Worldwide Insured Shipping / Certified Authentic / 7 Day Inspection Period / 30 Day Warranty

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Worldwide Insured Shipping / Certified Authentic / 7 Day Inspection Period / 30 Day Warranty

A great looking gents Tavannes Watersport watch with a scarce variety of steel clamshell case made in the 1930’s.  22mm x 38.5 excluding the unsigned crown.  Both case and sectioned dial are great looking and original.  Completely original unrestored dial in silver with aged radium filled numerals, mirror silver inner ring and subsidiary seconds.  Original black baton hands with radium filling.

The Tavannes cal. 364 is in good condition, running and keeping time.

Patent # CH189190 issued to Schmitz Freres on 11 May 1936

Case:

  • Stainless steel tank
  • Brevet 189190 clamshell with four retaining screws
  • 22 (excluding crown) / 38.5mm (lug to lug)
  • Unsigned crown.
  • Plexi crystal.
  • Case number: 25310

Movement:

  • Original Tavannes hand winding caliber 364.
  • Rhodium plated, Geneva stripes, 15 jewels, adjusted, manual wind, subsidiary seconds
  • Serial number: xx

Dial:

  • Original silver two tone
  • Original radium filled arabic indices
  • Original baton hands
  • Signed: TAVANNES, WATERSPORT

Delivery Set:

  • Vintage steel bracelet
  • Stetz & Co. certificate of authenticity.