BENRUS Seagull ST1901

The Seagull ST1901 is a manual-winding chronograph movement manufactured by the Tianjin Seagull Watch Group in China. Benrus utilizes this caliber in its heritage-inspired chronograph models, where it is also designated as the ST19. While not an in-house movement, it is recognized within the industry as a reliable column-wheel chronograph architecture. The caliber remains in production.