Early matte Frog Foot dials, serial encasement 1’5-3’5mil and 4’4-5mil, were lumed with zinc sulfide and tritium whose potent combination allowed still for them to glow even in the sun.

Case: 36mm Stainless Steel

Dial: Matte “Day Glow”, Zinc Sulfide and Tritium

Bracelet: 62510H, D-stamped Jubilee

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