ETA 255.111

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  6 jewels, quartz, date.
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  Size: 11.5''' 25,6 mm.
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  H: = 1.95 mm.
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  Battery: 373

Versions: 11,5'''

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

Versions: 10,5'''

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