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GS/TP ApprovedCertification

German military certification for precision timekeeping from Gesellschaft für Strahlenforschung.

GS/TP Movement CertificationCertification

German precision watchmaking standard for military chronometers requiring ±15 seconds monthly rate.

GS/TP Rate CertificateCertification

German military chronometer certificate documenting daily rate, amplitude, and beat error measurements.