Family: Seagull
Caliber 635 is an automatic movement manufactured by Ingersoll. Based on the Seagull ST63x, it operates at 21,600 vph with 21 jewels and features hacking seconds. The movement is not in-house, being sourced from Chinese manufacturer Seagull. It powers the Ingersoll IN1602CR and related models, and remains in production.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Display Type
Analog
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
ÉbaucheCALIBER FAMILY
SeagullALSO KNOWN AS
in 635caliber 635