150M SEIKO caliber 6309 case ref.# 729A F1 with black dial 200M SEIKO caliber 7S26 case ref.# 0020 A0 SCUBA DIVER's with blue dial

Hello to your 6309 from a relative

The second generation of the 6309 diver series produced from 1982 to 1988 , a departure from the original "cushion-case" Turtle. This model features a blue and red "Pepsi" bezel. Its limited original run and popularity among Seiko MODders when it was firs

SEIKO 6105, 6309, 7548 DIVERS

the Seiko 7548 was a top-tier dive watch when it came out, featuring a sturdy build and advanced technology for its time. It was comparable in quality and price to other high-end watches like the Omega Seamaster, indicating its premium status. It was posi

SEIKO 7548-7000 JDM Diver - Introduced in 1978 and production continued until 1985, it was adapted from the 6309 platform, with offset screw-down crown at the 4 o'clock position. During its time of launch, it retailed at 40% higher than it's mechanical br