Sea-Gull 219.328 automatic wristwatch ST2525 big date & flying wheel

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Your Price: $190.00
Part Number: W-219328
Availability: In Stock
Diameter: 43mm not including crown
Thickness: 13.5mm
Weight: 107 grams
Movement: Sea-Gull ST2525 automatic
Unique features: big date at 12, weekday, month, flying wheel
  • White dial, black case, see-through display case back
  • Black genuine leather band installed with butterfly buckle
  • Black hour, minute, second, sub-dial hands
  • Silver hour markers and bezel
  • Proprietary Sea-Gull ST2525 decorated by stamped fish scales.
  • Big 2-digit date at 12
  • Month sub-dial at 9
  • Weekday sub-dial at 3

Sea-Gull proprietary flying wheel is located at 6. Sea-Gull researched and developed this type of “poor men’s tourbillion” flying wheel. According to Sea-Gull’s educational advertisement, mounted on the central axis is a flying wheel that has higher mass thus higher inertia. When the machine is running at higher speed, the flying wheel’s kinetic energy increases, absorbing and storing energy; when the machine is running at lower speed, the flying wheel’s kinetic energy decreases, releasing and distributing energy. Thus the flying wheel plays a role to stabilize the pace in the operating process.

Sporty looking 219.328, relatively large – 43mm in diameter, 13.5mm thickness, 107 grams in weight.

Another point worth mentioning is the month does Not move forward by itself after 31 days. If it did it would be perpetual calendar movement costing much more.   

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