Introduction Offered here is a vintage SEIKO SQ Quartz men's wristwatch, reference 5H23-6250. This model features a clean silver-tone dial, applied hour markers, central seconds, and a practical day-date display at 3 o'clock. Its restrained design and compact proportions give it the classic appearance associated with Japanese dress watches of its period. The brown leather strap complements the understated dial and stainless-steel case, making this a versatile vintage Seiko suitable for both collecting and everyday wear. Historical & Collector Value SEIKO played a major role in the development and popularization of quartz wristwatches, and its vintage quartz models represent an important chapter in modern watchmaking history. The "SQ" designation is associated with Seiko's quartz watch range, and examples such as the 5H23-6250 are appreciated by collectors who enjoy reliable Japanese quartz technology combined with traditional analog watch design. The 5H23 movement offers a useful day-date complication while maintaining the slim and practical character expected from a quartz watch. The classic silver dial, discreet SQ emblem, and approximately 32 mm case width give this piece a distinctly vintage appearance that differs considerably from larger contemporary watches. Specifications - Brand: SEIKO - Collection / Marking: SQ - Reference: 5H23-6250 - Movement: Quartz - Caliber: 5H23 - Functions: Hours, minutes, seconds, day and date - Dial: Silver-tone - Case material: Stainless steel - Case size: Approx. 37 mm vertically x 32 mm horizontally - Lug width: Approx. 18 mm - Strap: Brown leather strap - Case back marking: 5H23-6250 - Serial number: 690181 - Accessories: None Condition This is a pre-owned vintage watch and shows signs of previous use and age. Scratches and marks can be seen on the case and case back. Please refer carefully to the photographs for the actual cosmetic condition. The dial remains attractive with a simple, well-balanced layout. The day-date display is clearly visible. The leather strap is included as shown in the photographs. The watch is currently running. This is a pre-owned / vintage watch. It has signs of use such as scratches, small marks, fading, and wear due to age. Please check all photos carefully, as they are an important part of the description. The watch is running at the time of listing. Time setting and basic functions have been checked unless otherwise stated. Long-term accuracy has not been tested. As this is a used/vintage watch, maintenance or overhaul may be required after purchase. Water resistance is not guaranteed, even if the case or dial has water-resistance markings. Only the items shown in the photos are included. If box, papers, spare links, or accessories are not shown or mentioned, they are not included. Please understand that the condition of vintage watches can be subjective. I describe the item as accurately as possible, but minor signs of age and use should be expected. Service History The watch is running at the time of listing, and its basic operation has been checked. No documented service history is included with the watch. Shipping & Customs The watch will be carefully packed for international shipping. Import duties, VAT, customs clearance fees, and any other taxes imposed by the destination country are the responsibility of the buyer and are not included in the purchase price or shipping cost. 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.