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Used Seiko Seiko Sunrise 5 Sports Speedtimer 6139-7060 watch (HK$2,295) for sale - Timepeaks
This is the Seiko 6139-6031 "Coke" SpeedTimer water proof, automatic chronograph, in excellent mechanical condition, with every single function working... | By DoctorSeiko - Officine VPG SRL | Facebook
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Seiko Speed Timer 6139 General Export models complete guide