Collection: Movement ST3600/ST3620 (6497/6498)

Inspired by the historic ETA/Unitas 6497 and 6498 architecture, the Sea-Gull ST3600 and ST3620 are large hand-wound mechanical calibers appreciated for their reliability, visible mechanics, and slower rhythm. The two variants differ in small-seconds position, at 9 or 6 o’clock.

Warranty, service and assistance

2-year international warranty

All CHRONIS watches are covered by a 2-year international warranty.

Service

CHRONIS offers a maintenance service for each watch at a fixed cost of €50 plus shipping expenses.

Contact

For information, assistance or service requests, contact sales@chroniswatches.it.

MECHANICAL CULTURE

The story behind the beat

A mechanical watch is not powered by a battery. It is a small system of stored energy, controlled release and precise oscillation. From 18th-century pocket watches and marine chronometers to contemporary wristwatches, the core principles remain surprisingly similar.

Read the full story