Gerald Genta Perpetual Calendar – The original Gérald Genta design got reworked and It means you will probably never see an Ingenieur perpetual calendar with a double moonphase indicator. But the Ingenieur could also mark the . Credor reintroduces a Gérald Genta design from the late 1970s ✓ The Credor Locomotive ✓ Read all about it here ✓ .
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Gerald Genta Perpetual Calendar Gerald Genta Perpetual Calendar Quartz: 21 x 14.6 cm. (8.3 x 5.7 in.) . Despite being a technical milestone, its name is almost always mentioned in the same breath as that of Gérald Genta, considered by many the With the Ingenieur Perpetual Calendar Digital Date-Month .