Sea-Gull · ST19 series
ST1901
A hand-wound column-wheel chronograph with central elapsed seconds and a minute counter.
At a glance
- Type
- Hand-wound mechanical
- Display / complication
- Chronograph
- Architecture
- Column-wheel chronograph
- Timebase
- 21,600 vph / 3 Hz
- Power reserve
- Approx. 45 h; 37 h with chronograph
- Jewels
- 22
Reference sources reviewed 7 November 2026. Published specifications, not independent measurements. Versions and complete-watch specifications can differ; fields without a verified figure are omitted or identified.
Find it in a watch
Sea-Gull 1963 chronograph family — verify the exact reference
An example from the linked references. Check the exact model and production generation.
What distinguishes it
Look beyond the reference.
The column wheel coordinates the chronograph’s switching. Watching the levers respond to the pushers is part of this movement’s appeal.
For the enthusiast
Sea-Gull’s current reference lists 22 jewels and different reserves with the chronograph running or stopped. Earlier watches and other ST19 variants can differ.