Sea-Gull ST2130 Movement: Functions, History, and Interesting Facts

The Sea-Gull ST2130 is an automatic mechanical caliber manufactured by the Chinese company Tianjin Sea-Gull. This movement is often referred to as the Chinese version of the famous Swiss ETA 2824-2 caliber, sharing many technical parameters and design features. Because of this, the ST2130 is a popular and affordable solution for mechanical watches.

History

Sea-Gull, founded in 1955, is one of the oldest and largest manufacturers of mechanical movements in China. The ST2130 is the result of long-term development and refinement drawing from the European tradition of mechanical movement manufacturing. Inspired by the ETA 2824-2, Sea-Gull offers a movement of comparable quality at a significantly lower price.

Functions and Technical Specifications

• Automatic mechanical movement with manual winding capability

• Frequency of 28,800 vibrations per hour (4 Hz) for smooth seconds hand movement

• Power reserve of approximately 40 hours

• Displays hours, minutes, seconds, and date (date window at 3 o’clock)

• Movement diameter approximately 25.6 mm, height approximately 4.6 mm

• 25 jewels

• Construction similar to ETA 2824-2 with high-quality components and precise craftsmanship

• Reliability and accuracy suitable even for demanding users

Interesting Facts

• The ST2130 is often used in watches from brands aiming to offer mechanical movements with reliable performance at an affordable price.

• Due to its similarity to the ETA 2824-2, it is often chosen as a quality replacement for the Swiss movement.

• Sea-Gull emphasizes quality and accuracy, making the ST2130 competitive in the international market.

• The caliber features an anti-reflective bed system that enhances movement accuracy and shock resistance.

• The ST2130 is suitable for both classic and sports watches due to its robust construction.

Summary

The Sea-Gull ST2130 is a quality, reliable, and affordable automatic mechanical movement that represents an excellent alternative to more expensive Swiss calibers. It is an ideal choice for anyone seeking mechanical watches with a precise and durable movement without high costs.

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