SN 4D2135 - December 1974

-Case refinished and polished (satin brushed top, polished sides). Case back was not refinished to preserve the inscription.

-Dial and hands relumed with SuperLuminova.

-Alarm ring arrow pointer lumed with SuperLuminova.

-Crystal polished (2 step, both sides).

-Outer bezel refinished.

-New case spring.