Introduction This is a vintage SEIKO Business-A men's automatic wristwatch, reference 8346-7010, featuring a silver-tone dial, gold-tone case, day-date display, and brown leather strap. The dial is signed "BUSINESS-A," "DIASHOCK," and "27 JEWELS," giving the watch a distinctive vintage Seiko character. The gold-tone applied hour markers and classic day-date layout create an elegant mid-century appearance. Historical & Collector Value The SEIKO Business-A line represents an interesting part of the brand's vintage automatic watch production, combining practical calendar functions with a refined dress-watch design. This example features a 27-jewel automatic mechanical movement and a day-date display, reflecting Seiko's focus on practical and well-finished mechanical watches during the vintage era. Its gold-tone case, silver-tone dial, and period styling make it an appealing piece for collectors interested in classic Japanese automatic watches and lesser-seen vintage Seiko models. Specifications - Brand: SEIKO - Model: Business-A - Reference: 8346-7010 - Movement: Automatic mechanical - Jewels: 27 jewels - Functions: Time, day, date - Dial: Silver-tone - Case color: Gold-tone - Case size: Approx. 37 mm, excluding crown - Strap: Brown leather strap - Gender: Men's - Condition: Pre-owned / Vintage - Operation: Running at the time of listing - Accessories: None Measurements are taken manually and slight differences may occur. Condition The watch is running at the time of listing. The running condition was confirmed by gently moving the watch and observing that it started operating. Detailed functional testing has not been carried out. Time-setting operation, day-date operation, and long-term accuracy have not been confirmed. The watch shows age-related scratches, small marks, discoloration, and wear on the case, crystal, case back, and strap. The gold-tone finish also shows visible wear consistent with age and previous use. Please inspect all photographs carefully for the exact cosmetic condition. 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. Only the running condition has been confirmed by gently moving the watch. Time-setting operation, day-date functions, and long-term accuracy have not been tested. No previous service history has been provided. Shipping & Customs The watch will be carefully packed for international shipping. Import duties, VAT, customs clearance fees, and any other charges imposed by the destination country are the responsibility of the buyer. These charges 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.