Patek Philippe 27 AM 400

Manual WindingDiscontinuedIn-house
Family: 27

The 27 AM 400 is a manual-winding caliber introduced by Patek Philippe in 1950. It belongs to the caliber 27 family and was produced as an antimagnetic movement designed for the Calatrava collection. As an in-house movement, it reflects Patek Philippe's proprietary approach to watchmaking during the mid-20th century. The caliber was discontinued, making it a vintage reference among collectors.

QUICK FACTS

TYPE

Manual Winding

STATUS

Discontinued

MANUFACTURE

In-house

LAUNCH YEAR

1950

CALIBER FAMILY

27

ALSO KNOWN AS

cal. 27 am 400

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