SJX Watches
In-Depth: The IWC Portugieser Eternal Calendar
Perhaps the complication most associated with IWC, the perpetual calendar with its distinctive four-digit year display was introduced in 1985 in the Da Vinci. Today IWC takes the “perpetual” concept to its maximum with the Portugieser Eternal Calendar that boasts a supercharged perpetual calendar, otherwise known as a secular calendar, requiring no adjustment for a thousand years. In addition, it is equipped with a moon phase of unprecedented accuracy – a day in 45 million years. Initial thoughts Even though it appears similar to the standard Portugieser Perpetual Calendar – though it is slightly thicker and wider – the Eternal Calendar is an appealing and note-worthy proposition in terms of its technical merits. The rare complication, however, comes at preposterously steep price. Discreetly dressed in the classic Portugieser case, but the Eternal Calendar reveals a modern twist in the form of the glass dial that shows off the calendar works underneath. To accomplish that, the movement employs a sapphire bridge in the calendar module, marking the first time IWC is using the material as a structural element in a calibre. The extensive use of sapphire hints at the impressive technicality of the movement, giving a sense of tangibility to the mechanics within. And the mechanics are certainly worth admiring. An “eternal” or secular calendar complication is appealing, for both the mechanical inclined and even the plain romantic who wants something that will go on...
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