Universal Geneve 281, 283, 285 (12-13.5'''), Balance staff, DCN: 1007a

• DCN no: 1007a
• Lenght: 418
• For chronograph: Uni-Compax, Compax, Tri-Compax.
• Fits cal: 281, 283, 285 (12-13.5''').

• A: = 418
• B: = 171
• F: = 61
• G: = 101
• H: = 44

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.