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
⭐️SEIKO japan⭐️ Seiko Chronograph Automatic 6139-6012 Stainless Steel Day Date English/Persian/ Mens watch Keeping time Circa… | Instagram
Seiko Chronograph (6139-7100) Price Guide & Market Data | WatchCharts