【Rare Vintage Seiko Collection - For Sale】 Made in 1977 SEIKO SilverWave 0923-7010 Vintage Quartz Working ☆ This is a Seiko SilverWave made in 1977. ★ If you are purchasing with the intention of daily use, we recommend an overhaul. ☆ Vintage watches, as wristwatches, are far inferior in performance compared to today's radio-controlled watches, but like people, they continue to function as timepieces even while repeatedly experiencing injuries and illnesses (damage and malfunctions). The ability to spend time with a watch from your birth year is also a charm of vintage watches☆ How about a gift for your parents? Product Description Size Case diameter: Approximately 36mm Wrist circumference: *Please forgive any slight errors due to amateur measurements. Currently working, but as it is a vintage watch from over 48 years ago, we do not guarantee its operation after purchase. (Sold as is.) *Based on the engraving on the back cover, it is estimated to have been manufactured in February 1977. (We cannot guarantee the manufacturing date.) Simple crown operation (time, date, day of the week) has been confirmed to be working correctly. *Do not use the quick change for date and day of the week between 8 PM and 4 AM, which is the prohibited time. It is a very delicate mechanism, and forcing it can cause damage to the gears. Due to the nature of vintage watches, we do not offer any warranty on the product after shipping. Please purchase only if you understand this. There are scratches, stains, and discoloration due to aging. *The crystal has scratches commensurate with its age. *The dial and hands are in good condition considering their age. *The case has scratches commensurate with its age, but there are no major dents. *The back cover has clear indentations, and the stamping is clearly readable, in good condition. *Please be sure to have an overhaul performed if you intend to use it daily. *Please consider that it is not waterproof due to its age. To avoid trouble, please purchase only if you understand vintage watches. Please check the images for details on the condition. *All images are included. Please look at the images and make your purchase. - Brand: SEIKO - Model: SilverWave - Type: Quartz - Color: Navy Blue Thank you for viewing.