ETA 255.111-5166, Screw for casing clamp

• ETA original screw from a NOS movement.
  

• 1 pcs.

• Fits all 255.XXX versions.

• 6 jewels, quartz, date.
• Size: 11,5''' 25,6 mm.
• H: = 1,95 mm.
• Aig 0: hour wheel: 1,25 mm. (normal).
• Aig 1: hour wheel: 1,50 mm.
• Battery: 373

Versions: 11,5'''

• 255.111: sweep second, date.
• 255.112: same, minor modifications.
• 255.121: sweep second, day, date.
• 255.122: sweep second, day at "12" date.
• 255.241: sweep second, chronograph, date.
• 255.265: sweep second, date, 24 h time zone.
• 255.266: same, minor modifications.

Versions: 10,5'''

• 255.411: sweep second, date.
• 255.412: same, minor modifications.
• 255.421: sweep second, day, date.
• 255.431: no second.
• 255.441: no second, date.
• 255.461: sweep seond, date, 24 h time zone.
• 255.462: same, minor modifications.
• 255.481: sub second, calendar (windows), moon phase.
• 255.483: sub second, calendar (hands), moon phase.
• 255.485: sweep second, calendar (windows), moon phase.
• 255.487: sweep second, calendar (hands), moon phase.
• 255.491: sub second, date.
• 255.495: sweep second, day at "12" date.
• 255.511: as 255.411, minor modifications.
• 255.561: as 255.461, minor modifications.