I shortened my Grand Seiko bracelet: Regular links vs half links, and how unclean a bracelet can still be after 75 minutes of ultrasonic cleaning

• the watch is the SBGX263
• i ultrasonic cleaned my bracelet and after it removed the dirt from in between the links there was extra length so my bracelet got longer.
• a grand seiko bracelet full link is 10 mm wide
• a half link is 6.5 mm wide (meaning 2 half links is 13 mm)
• a ultrasonic cleaning, even at 75 minutes, won't remove the black dirt stuck in the pins
• changing from a full link to a half link removed 3.5 mm of length and the bracelet fits perfectly now!

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I shortened my Grand Seiko bracelet: Regular links vs half links, and how unclean a bracelet can still be after 75 minutes of ultrasonic cleaning