We've become big Sinn fans here at WatchReport, and today I learned of a new model, the 657. Available in black chromed steel (shown) or stainless, this update to the 657 adds some features of interest:
- Updated bezel design, more durable and more readable markers
- Size increased to a more modern 40mm by 12mm
- Added a black chapter ring around the dial for readability.
Click above to see full post at WatchReport.com.
 NOS Sinn Chronograph 140 / 141 / 142 c.1979 MINT LOOK!  US $3,150.00
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 20mm Blak Calf Watch Band Strap Fit Sinn Tutima Thommen US $12.95
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 20MM BLUE SWISS KEVLAR STYLE WATCH BAND SEAMASTER SINN US $19.99
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 Big Pilot Strap For IWC, LACO, Steinhart, Debaufre,Sinn US $149.00
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 Sinn 756 on Black Leather Strap US $1,250.00
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 20MM BLUE SWISS KEVLAR STYLE WATCH BAND SEAMASTER SINN US $19.99
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