Family: Seagull21 jewels21,600 vph (3 Hz)
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
Jewel Count
21 jewels
Frequency
21,600 vph (3 Hz)
Display Type
Analog
FEATURES
Hacking Seconds
More Ingersoll movements
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
ÉbaucheCALIBER FAMILY
SeagullALSO KNOWN AS
in 635caliber 635
FOR WATCH DEALERS
Sell watches powered by the Caliber 635 (Seagull-based)?
Inventory, Chrono24 and eBay sync, and VAT invoicing. Dealer tools are built on this database.