The Sinn Classic B Regulateur 6100 is a regulator watch in the image of grand 18th century clocks used by watchmakers to keep time precisely and set time accordingly. The Sinn Regulateur reference 6100 is encased in 44mm of stainless steel surrounding a silver guilloche dial on a blue alligator leather strap. Remarkably for a dress watch, the Sinn 6100 includes 100-meter water resistance.. Functions include hours, minutes, and seconds. The watch also measures 10.8mm in thickness and 50mm from lug-to-lug.

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