- Herman Von Der Heydt, Chicago. A very rare 18K gold open face patent self-winding watch - Herman Von Der Heydt, Chicago. A very rare 18K gold open face patent self-winding watch

  • Lot number 
    1138
  • Location
  • Watch type 
    Pocket watch

Description

No. 20, signed on the winding weight by the retailer, Dale Bros., Chicago
Gilt full plate lever movement jeweled through the third wheel with gold settings, free sprung bi metallic balance with numerous gold timing and poising screws, polished overcoiled spring, oscillating polished crescent shaped winding weight pivoted between the plates, key set and additional arbor for key winding, gold cuvette, white enamel dial, roman chapters, blued breguet hands, engine turned gold case

54mm, 146.3 grams