Title SEIKO 7N21-0010 Quartz Watch, Stainless Steel Case, Black Dial, 36mm Introduction This is a round stainless steel wristwatch by Seiko, reference 7N21-0010. The watch presents a black dial with bold white Arabic numerals at each hour, luminous baton-style hands, and a printed "WATER RESIST 10 BAR" designation beneath the Seiko logo. The case retains a brushed and polished stainless steel finish, and the watch is fitted with a matching stainless steel bracelet. The overall design reflects a functional, sport-oriented aesthetic typical of Seiko's quartz production of the period. Historical & Collector Value Seiko has long been recognized for its contribution to the development and popularization of quartz watch technology, following the introduction of its first quartz movement in 1969. Models such as the 7N21 series represent the brand's continued emphasis on reliable, accessible quartz timepieces intended for everyday wear. The simple three-hand layout, clear numeral dial, and water-resistant case reflect the practical design philosophy that characterized much of Seiko's output during this era, prioritizing legibility and durability over ornamentation. Specifications – Brand: Seiko – Model: 7N21-0010 – Movement: Quartz – Case Size: 36mm – Dial: Black, with Arabic numerals and luminous hands – Functions: Hours, minutes, seconds – Bracelet: Stainless steel Condition The case and bracelet show light wear consistent with age and use, including some surface marks visible under close inspection. The crystal has visible scratches, as noted by the seller and confirmed in the photographs. The dial remains legible and clean for a vintage piece of its age, with the printed text and hour markers well preserved. As a pre-owned vintage watch, it shows signs of age and use consistent with its era, and some light wear should be expected throughout. The watch has been tested and is in working condition. Important Notes This is a vintage watch. Minor signs of age and use should be expected. Please review all photographs carefully, as they form part of the description. Shipping & Customs The item will be carefully packed and shipped with tracking from Japan. Since the item will be shipped from Japan, customs duties may apply upon arrival. For more details, please refer to the following link: https://www.catawiki.com/en/help/fees/do-i-have-to-pay-customs-fees Management Number: A0524