This is a 1950’s GRUEN PAN-AM housed in a 32x39mm. gold plated case with stainless steel snap-back that displays fine, overall original condition. The 24 hour dial displays 24 hour time, making these watches popular with pilots at the time they were introduced. The manual winding and fine GRUEN 420ss movement was just cleaned and is accurately keeping time. The dial has been restored. Only $595.