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Hello, I was recently told about this certina with an inverted triangle, it has a kf330B movement. I'm not sure if I should do maintenance cleaning and greasing. I see that it is also missing one of the screws that hold the movement.
Hello, I was recently told about this certina with an inverted triangle, it has a kf330B movement. I'm not sure if I should do maintenance cleaning and greasing. I see that it is also missing one of the screws that hold the movement.