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 brother Seiko 6309 Turtle. came on a SEIKO GL831 natural rubber diver strap
Seiko 7548 diver was considered high-end when it was first released in the late 1970s and throughout the 1980s.
By: hmmmcamu : March 18th, 2025-00:28
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 positioned as a premium offering by Seiko, with a design and construction quality that set it apart from other models at the time. The movement, based on the highly regarded 6309 automatic movement but adapted for quartz intended for ... professional use in extreme conditions.
It saw wide spread use in the US Navy, These divers use the watch for various underwater tasks such as hull inspection, cleaning, installation and removal of equipment, and welding repairs.