Bi-retrograde

$Franck Muller Long Island Double Seconds Retrograde 1100 DS R\\ with **bi-retrograde** display\\ (shown here: 1–30 and 30–60 min.) (click to enlarge!)$
Franck Muller Long Island Double Seconds Retrograde 1100 DS R
with bi-retrograde display
(shown here: 1–30 and 30–60 min.)
© Franck Muller

Bi-retrograde display

In this type of time display on a watch dial, not just one but two hands move in retrograde mode, that is, moving forward in an arc and then jumping back at an endpoint. For example, from 1 to 12 hours and from 1 to 60 minutes.

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