Black Bay 41mm "On the Fly" Extension Link Model Number:79540 OEM Replacement Spring Bars

OEM Replacement Spring Bars

the hour hand simultaneously indicates both local time on the dial and the secondary time zone on the bezel

making it intuitive

Introducing SeaGreen for the Black Bay 58

allowing you to effortlessly switch back to your original bezel at any time

Black Bay 41mm "On the Fly" Extension Link Model Number:79540 OEM Replacement Spring BarsYOUR BRACELET IS NEVER THE PERFECT FIT Morning: perfect. Afternoon: too tight. Evening: too loose. Heat, cold, and movement change your wrist your bracelet cant keep up. On The Fly fixes that with instant, tool free 5 mm adjustment, completely hidden under your clasp. Youll never see it, and neither will anyone else except theyll notice your watch always sits perfectly. Always Perfect Comfort on demand, in seconds. Invisible Upgrade Discreetly tucked