The Patina and Plexi Seiko 6105 Gasket Protocol: 2026 Water Resistance Guide
The Patina and Plexi Seiko 6105 Gasket Protocol: 2026 Water Resistance Guide Restoring water resistance to a 50-year-old Seiko 6105-8110 “Captain Willard” requires navigating one of Seiko’s most notorious engineering hurdles: the captive crown gasket. Because Seiko historically treated the entire crown as a disposable, non-serviceable component, modern horologists must utilize advanced extraction techniques and…