Universal Geneve 285, 287, 335 (14-15.75'''), Balance staff, DCN: 501

• 
  DCN no: 501
• 
  Length: 450
• 
  For chronograph: Uni-Compax, Compax, Aero-Compax.
• 
  Fits cal: 285, 287, 335 (14 - 15.75''').

• 
  A: = 450
• 
  B: = 174
• 
  F: = 71
• 
  G: = 119
• 
  H: = 56

Versions: Height: 5.55 - 7.15 mm.

With Breguet hairspring: 281 (12'''), 283 (13'''). With flat hairspring: 381 (12'''), 383 (13'''), 481 (14''').

• 
  Uni-Compax: 60 s, 30/45 min counter, H=5.55 mm.
• 
  Compax: 60 s, 30 min, 12 h counter, H=6.35 mm.
• 
  Tri-Compax: 60 s, 30 min, 12 h counter, date, month, moon phase, H=7.15 mm.

Versions: Height: 6.05 - 7.65 mm.

With Breguet hairspring: 285 (14'''), 287 (15'''), 292 (15.75'''). With flat hairspring: 385, 386 (14''').

• 
  Uni-Compax: 60 s, 30/45 min counter, H=6.05 mm.
• 
  Compax: 60 s, 30 min, 12 h counter, H=6.85 mm.
• 
  Tri-Compax: 60 s, 30 min, 12 h counter, date, month, moon phase, H=7.65 mm.