This is an 80's model SEIKO Black Boy, model number 7548-7000, believed to have been manufactured around November 1980. The case is silver/black, and the belt is black. I will respond to your inquiry within 24 hours.
Case Material: Stainless steel. See-through case back. Screw case back. Three-fold clasp with secure lock. Rotating bezel. Jewels: 24. Water Resistance: 10 bar.
【About the Cal. Each watch is carefully inspected, cleaned, lightly polished, and, if needed, has its battery replaced — all done by myself to ensure the best possible condition. About WAYZE-Japan.
Case Material Stainless Steel Band Material Stainless Steel Movement Quartz Crystal Glass Water Resistance Daily Life Water Resistance Size Wrist Circumference Approx 17cm FeaturesNotes Watch only
SEIKO Diver 7548-700B, manufactured in 1983. Handling of Misinformation: While I strive for accuracy, there may be instances of unintentional misinformation due to human error. Moreover, I commit to promptly correcting any misinformation and maintaining transparency.
Reference Number: SBDL083. Model: Prospex. 140th Anniversary Limited Edition. Inspired by the lush forests ofIriomote Island, the watch features a beautifuldeep green dial paired with a distinctivegold-tone hour hand, symbolizing sunlight shining through the tropical forest canopy.
SEIKO diver 7548-700B, manufactured in 1983. As expected from SEIKO quartz, there are no issues with accuracy. Handling of Misinformation: While I strive for accuracy, there may be instances of unintentional misinformation due to human error.
This SEIKO Black Boy, model 7548-7000, was likely manufactured around August 1979. The bezel rotation is a bit stiff due to its age, but it is a rare working item. The case is silver/black, and the belt is black.
This compact diver combines Seiko's proven solar dive technology with a warm rose gold-tone case, making it a standout alternative to the standard steel divers. Water resistance: 200m (ISO dive watch rated).