Excelsior Park 4

The Excesior Park cal: 4 was designed in 1928 and manufactured in all its versions until 1968.

Example movement: Zenith cal: 143-6

Technical data: Excelsior Park cal: 4

• 
  17 jewels, manual wind, chronograph, 60 s 30/45 min counter.
• 
  Size: 14''' 31.60 mm.
• 
  H: = 6.70 mm.
• 
  N: = 18.000 A/h.
• 
  Power reserve: 32 h.
• 
  Mainspring: 1,20 x 13 - 0,16 - 400

Versions:

• 
  4: base caliber, 30/45 min counter.
• 
  4-24: centered 24 hour counter with start/stop crown at "9" (1943).
• 
  4-68: 30/45 min counter, movable stud carrier (1965).
• 
  40: 12 hour counter at "6"
• 
  40-68: 12 hour counter at "6" movable stud carrier (1965).
• 
  42: caliber 40 in an oval form (1938).