Introduction Offered here is a Seiko chronograph with a classic pilot-inspired design, featuring a slide rule bezel and three-register layout. Seiko is highly respected among collectors for producing robust, accurate tool watches with strong value, and this model captures that practical spirit with a clean black dial, luminous hands/markers, and a stainless steel bracelet suitable for daily wear. Historical & Collector Value Seiko has a long history of chronograph development and has produced many collectible sports references across the late 20th and early 21st centuries. This watch stands out with its aviation-style slide rule bezel (with markings such as NAUT, STAT, and fuel/lbs scales), giving it a distinctive instrument aesthetic compared to standard tachymeter chronographs. For collectors, the appeal is in the combination of Seiko reliability, the detailed multi-scale bezel, and the balanced tri-compax dial with a framed date at 3 o'clock. This is the type of practical Seiko chronograph that is increasingly appreciated as an honest, purpose-built tool watch. Specifications - Brand: Seiko - Model: Chronograph 100M - Reference Number: - Movement: Quartz - Case Material: Stainless steel - Case Size: 42 mm - Band Material: Steel - Dial Color: Black - Crystal: - Water Resistance: 100 m Condition This watch is in Good condition with visible signs of wear consistent with regular use. The stainless steel case and bracelet show multiple surface scratches and scuffs, and there is noticeable wear around the bezel edge. The crystal shows light marks visible in close-up photos. Dial, hands, and indexes appear intact with good legibility; the slide rule bezel printing is clear. Chronograph pushers and crown are present and appear correct for the model style. Service History This watch has been fully inspected and confirmed to be in working order. Full overhaul (OH) has been completed, ensuring reliable performance and peace of mind for the new owner. Shipping & Customs This item will be shipped from Japan via insured international shipping. Please note: Import duties, taxes, and charges are not included in the item price or shipping costs. These charges are the buyer's responsibility. [!] 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.