Movement
Calibre 291
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Lignes
11.5
Mounting Diameter
26
Thickness
6
Frequency (vph)
19,800
Jewels
24
Power Reserve
45
Hand Sizes
1.60, 1.00, 0.20
Complication
Center Seconds, Date
Power
Automatic
Shape
Round
Size
Medium
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Technical Diagram
Notes
The 291 is the date version of the 290, it was designed and released at the same time as the 290 and differs only in the date mechanism. It is considerably thinner than the 19ASD.
290: center seconds
291: date
292: power reserve display
294: date, power reserve display