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• Brand: Glashutte GUB
• Model: Spezimatic
• Year: 1970
• Movement: Calibre 75
• Base Movement: N/A
• Stated Performance: -30 to +50 seconds / day
• Observed Performance: +14 seconds
• Notes: Due to the non-hacking nature of the movement the time was started at +29 seconds. Given that this peice was sourced from a collector in Serbia with an unknown service history its performance is excellent.