Seiko - 5 Automatic - No reserve price - 6309-5500 - Men - 1965

The Seiko 5 Automatic model 6309-5500 dating from 1965 is part of Seiko's landmark line known for durability, affordability, and automatic winding movements. The '5' signifies five key attributes: automatic winding, day-date display, water resistance, recessed crown, and durable case and bracelet. Vintage models like this carry historical significance as some of the earliest reliable, mass-produced mechanical watches, gaining popularity for everyday use and diving. The 6309 series, in particular, earned a reputation among dive watch enthusiasts and collectors for ruggedness and iconic design elements, making it a prized classic within Seiko's extensive catalog.