[Introduction] This Seiko Chronograph 100M is a high-performance pilot-style watch that combines professional utility with a rugged, technical aesthetic. Centered around a matte black dial, it features an intricate slide-rule bezel designed for flight calculations and a high-precision chronograph capable of measuring 1/20th of a second. The robust stainless steel construction and clear luminous markers make it a versatile tool watch, offering both the durability required for outdoor activities and a sophisticated look for daily wear. [Historical & Collector Value] The 7T92 caliber is one of Seiko’s most renowned quartz chronograph movements, celebrated for its "dancing hands" during reset and its exceptional thinness relative to its complexity. This reference, 7T92-0CF0, is particularly appreciated by collectors of aviation-themed timepieces due to its bidirectional rotating slide-rule bezel. As part of Seiko's long history of producing specialized equipment for professionals, this model represents a period where high-precision quartz technology was masterfully integrated into classic pilot watch design. Specifications ◇Brand: Seiko ◇Model: Flight Chronograph 100M ◇Reference: 7T92-0CF0 ◇Case size: 40 mm (excluding crown) ◇Movement: Quartz (7T92) ◇Case material: Stainless Steel ◇Dial: Black with luminous indices and three sub-dials ◇Crystal: Hardlex ◇Functions: 1/20 Second Chronograph, Date, Slide-rule Bezel ◇Bracelet / Strap: Seiko original stainless steel bracelet ◇Clasp: Folding clasp with safety lock and Seiko branding ◇Water resistance: 10 bar (100m) ◇Country of manufacture: Japan (Movement Japan) ・Condition The watch is in clean overall condition with visible signs of normal wear. The stainless steel case and bracelet show light surface scratches and minor scuffs consistent with careful use. The dial remains in excellent condition, and the slide-rule bezel rotates smoothly. ・Service History The watch has been checked for basic operation and all chronograph functions, including the 1/20th second sub-dial, are working correctly at the time of listing. As a quartz timepiece, it provides high precision and reliable performance. 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 secure transit. International shipping is available. Please note that any customs duties, taxes, or import fees are the sole responsibility of the buyer.