This Sea-Gull ST2130 is a round automatic watch movement with a single calendar function, designed for watchmakers and enthusiasts assembling or servicing mechanical timepieces. Its automatic winding system draws power from the motion of the wrist, so no manual winding is required during normal wear.
The movement measures approximately 1.9 inches in maximum diameter and 0.2 inches in thickness, with an assembly diameter of about 1 inch, allowing it to fit a range of round watch cases. It runs at a frequency of 28,800 vibrations per hour with 28 jewels and a 42-hour power reserve, and it is supplied in a carton.
Key Features
Brand
Sea-Gull
Model Number
ST2130
Item Type
Movement
Winding Mode
Automatic Winding
Shape
Round
Features
Single Calendar
Number of Jewels
28
Frequency
28800 vph
Reserve Hours
42
Thickness
Approx. 0.2 in
Maximum Diameter
Approx. 1 in
Assembly Diameter
Approx. 1 in
Country of Origin
Mainland China
Highlights
Automatic winding movement with single calendar
28 jewels and 28,800 vph frequency
42-hour power reserve
Round shape with maximum diameter of approximately 1 inch
Videos
What's included
Sea-Gull ST2130 automatic watch movement
Carton packaging
Frequently asked questions
What is the power reserve of the Sea-Gull ST2130 movement?
The movement has a power reserve of 42 hours.
How many jewels does the ST2130 movement have?
It contains 28 jewels.
What is the frequency of the ST2130 movement?
It operates at a frequency of 28,800 vibrations per hour.
What are the dimensions of the ST2130 movement?
It has a maximum diameter of approximately 1 inch, an assembly diameter of approximately 1 inch, and a thickness of approximately 0.2 inches.
