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Introduction to the Seagull ST19 Movement

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Update Time : 2026-02-07 14:05:02

Introduction to the Seagull ST19 Movement

Core Structure and Technical Features

The ST19 movement is highly esteemed among enthusiasts due to its authentic classical chronograph architecture:

Column Wheel: This is the core control mechanism of the chronograph function, typically found in high-end chronograph movements. Its operation offers a crisp, smooth, and tactile feel, far superior to the cheaper "cam" style chronograph movements.

Horizontal Clutch: Another high-end chronograph structure. Upon activating the chronograph, a slight "jitter" may be observed in the central chronograph second hand, a characteristic feature of the horizontal clutch mechanism. Enthusiasts affectionately refer to this as the "heartbeat" or "sense of life," embodying the charm of mechanical craftsmanship.

Manual Winding: Provides a slimmer movement profile and a complete mechanical interactive experience.

Visual Appeal: The movement is often finely finished, featuring perlage, Geneva stripes, blued screws, a gold-plated column wheel, and gears. The layered layout of the bridges offers exceptional visual appeal.

Key Specifications

Diameter: Approximately 33.0 mm

Thickness: Approximately 5.70 mm

Frequency: 21,600 vibrations per hour (3 Hz)

Power Reserve: Approximately 40–50 hours

Jewels: 22

Introduction to the Seagull ST19 Movement(图1)

Status and Evaluation: The King of Value

In the global mechanical watch market, the ST19 movement has garnered nearly unanimous acclaim:

"The Most Accessible High-End Chronograph Movement": For just a few thousand RMB, one can experience the column wheel and horizontal clutch structure typically found in Swiss watches costing tens or even hundreds of thousands. Its value for money is unparalleled.

Stability and Maintainability: After years of production iterations, its stability and reliability have been thoroughly validated in the market. The classic structure ensures relatively easy maintenance and repair.

A Milestone in Chinese Watchmaking: It is currently China's most successful and widely recognized high-complication movement, symbolizing the breakthrough and capability of Chinese watchmaking in the high-end sector.

Introduction to the Seagull ST19 Movement(图2)

Currently, the Seagull ST19 movement is not available for use by the entire market. Globally, no more than five companies are authorized to distribute the ST19 movement. SUPERTIME, a Chinese OEM/ODM company, is one of these authorized distributors.

SUPERTIME is a Chinese enterprise with over 33 years of experience in watch OEM/ODM. The company employs more than 70 staff and operates from a facility exceeding 3,000 square meters, equipped with a state-of-the-art Class 10,000 cleanroom.

SUPERTIME boasts an independent R&D team, including five experienced designers and multiple watch structure engineers, primarily focused on the development and production of high-end steel watches.

Introduction to the Seagull ST19 Movement(图3)