Marathon

          

# 1939# 24-hour outer ring# 24-hour scale# Bilingual day-date# Canada# Chronograph# Crown guards# Day-date# Dive watches# ETA 2801# ETA 2836# ETA Valjoux 7750# Field watches# GMT Bezel# Military# Pilot watches# Seiko NH35A# Sellita SW200# Sellita SW200-1# Tonneau# Tri-Compax# Tritium gas tubes# United States