Original Seiko part, Vintage New old stock Seiko Crown with gasket. Outside diameter is 6.55mm. The item "Vintage NOS Seiko Crown Diver 6105 6105-8000 6105 8009 6217 8000 6217-8001 62Mas" is in sale since Sunday, February 26, 2017.This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Watches\Wristwatches". The seller is "seikosis" and is located in La Crescenta, California. This item can be shipped worldwide.