1981 Seiko Quartz Diver 7548-700B

Serviced 1980 Seiko 150m Professional Quartz Diver. 7548-7000 is a highly regarded vintage dive watch, first introduced in the late 1970s. It holds a special place in Seiko's history as one of the earliest quartz-powered professional dive watches, serving as the predecessor to the now-iconic Seiko SKX series. It was designed to be a tough and reliable diver’s watch. It shares the same case design as the mechanical 6309-7040/7049, which is another legendary Seiko diver. The 7548 quartz movement was a high-quality, serviceable quartz caliber, which was unusual for the time. It was widely used by professional and recreational divers due to its accuracy and durability. Navy dial is flawless. Stainless steel case is in very good condition with some minor scratches. Unidirectional, 60-click rotating bezel with is in great good condition too. New hardlex crystal. Original crystal (will be included) is still in good condition, but replaced for better clarity. Screw-down crown positioned at 4 o'clock operates with ease. New Seiko rubber strap. New battery and gasket on the caseback. SKU# S2319 Model 7548-700B Movement Quartz Caliber 7548 Jewels 7 Case Stainless steel Case size 42mm x 44.5mm Lugs 22mm Dial navy Crystal hardlex new Bracelet new Seiko rubber strap Serial # 1D0615 Service June 2, 2026