SEIKO SilverWave Quartz 4336-8090 – Vintage 1977 Day-Date Introduction Offered here is a vintage SEIKO SilverWave Quartz, reference 4336-8090, estimated to have been manufactured around November 1977. This attractive late-1970s Japanese quartz watch features a finely textured silver dial, applied baton hour markers, a day-date display at 3 o’clock, and the distinctive SilverWave emblem above 6 o’clock. With its approximately 37 mm stainless-steel case and signed SEIKO bracelet, it has the characteristic proportions and styling of an early Japanese quartz wristwatch. Historical & Collector Value The SilverWave name occupies an interesting place in SEIKO’s vintage catalogue, representing practical everyday watches that combined contemporary styling with the company’s developing quartz technology. The Calibre 4336 belongs to SEIKO’s early quartz era of the 1970s. This example carries serial number 7N0207, and based on SEIKO’s serial-number convention together with the production period of the calibre, the watch is estimated to date from November 1977. Its textured dial, bilingual-style day-date display, SilverWave branding and period stainless-steel design give it considerable vintage character. It is particularly appealing for collectors interested in early Japanese quartz watches and SEIKO’s transition into the quartz age. Specifications - Brand: SEIKO - Model: SilverWave - Reference: 4336-8090 - Estimated production: November 1977 - Serial number: 7N0207 - Movement: SEIKO Cal. 4336 Quartz - Case material: Stainless steel - Bracelet: Stainless steel, signed SEIKO clasp - Dial: Textured silver dial - Functions: Hours, minutes, seconds, day and date - Case diameter: Approx. 37.2 mm - Case thickness: Approx. 10.8 mm - Bracelet width: Approx. 18.6 mm - Lug width: Approx. 18 mm - Wrist circumference: Approx. 17 cm - Weight: Approx. 83 g - Case-back reference: 4336-8090 - Management number: 26H072 - Accessories: Watch only / no accessories specified All measurements are approximate. Condition This is a vintage pre-owned watch from the late 1970s and shows signs of age and previous use. The stainless-steel case and bracelet show scratches, small marks and general wear consistent with a watch of this age. The dial also shows visible aging and patina, especially around the outer perimeter. These age-related characteristics contribute to the authentic vintage appearance of the watch. Please examine all photographs carefully, as they form an important part of the condition description. All functions have been tested and are currently working correctly. Service History All functions have been tested and confirmed to be working. A brand-new battery has been installed. The watch is currently operating correctly. As this is a vintage quartz watch, future accuracy, long-term operation and water resistance cannot be guaranteed. Water resistance has not been tested and should not be assumed. Shipping & Customs The watch will be carefully packed for international shipment. Any customs duties, import taxes, VAT, brokerage fees or other charges imposed by the destination country are the responsibility of the buyer. Please check the applicable import regulations in your country before bidding. IMPORTANT – Customs & Import Taxes If customs duties / VAT are not paid by the buyer, the parcel cannot be delivered and will be returned. In such cases, the sale will not be refunded. Please make sure to pay all customs charges promptly.