[Introduction] The Seiko Chronograph 100M is a high-performance sports watch that combines practical functionality with a bold, modern design. Featuring a distinct black dial with three sub-dials and a high-accuracy chronograph movement, this timepiece is built for precision timing. The rugged stainless steel case and 10 bar water resistance make it a versatile choice for both active lifestyles and daily professional wear. [Historical & Collector Value] Seiko has a storied history in chronograph innovation, and this model represents the brand's commitment to delivering reliable, high-spec timing instruments. Utilizing the 4T57 caliber, it is a favored choice among enthusiasts for its robust construction and functional clarity. This reference is recognized for its enduring sports-dress appeal and serves as a dependable example of Seiko’s modern quartz engineering. Specifications ◇Brand: Seiko ◇Model: Chronograph 100M ◇Reference: 4T57-00A0 ◇Case size: 43mm ◇Movement: Quartz ◇Case material: Stainless Steel ◇Dial: Black ◇Functions: Chronograph, Date ◇Bracelet / Strap: Mesh Strap ◇Clasp: Buckle ◇Water resistance: 10 bar ◇Country of manufacture: Japan ・Condition Clean overall condition with light signs of age and normal wear. The stainless steel case and bezel show minor surface scuffs, and the crystal has slight wear consistent with regular use. ・Service History The watch has been checked for basic operation and is functioning accurately at the time of listing. As a quartz model, it provides reliable timekeeping. Future maintenance or battery replacement may be required depending on usage and the buyer’s standards. ・Shipping & Customs The item ships from Japan and will be carefully packed for international delivery. Please note that any customs duties or import taxes are the responsibility of the buyer.