Vintage Seiko Stainless Steel Diver head. The model number of this Seiko is 6309-7049. The case is stainless steel and features a blue timing bezel with 60 minute graduation and a black dial with large white round hour plots. There is a day and date window present on the dial. The case measures 44mm in diameter. The caseback is stamped "WATER RESISTANT JAPAN SEIKO 6309-7049 ST. STEEL 911450". Condition: (Very Good).