1. Introduction We are pleased to present a historic first-generation SEIKO ASTRON GPS Solar, powered by the milestone Caliber 7X52 movement that pioneered satellite-linked atomic timekeeping globally. Based on the serial number "413109" on the case back, this high-tech modern classic was manufactured in Japan in January 2014, representing the legendary early era of accessible Japanese smart-luxury watchmaking. This timepiece beautifully showcases the bold architectural design of the early 7X series, defined by a dramatic, high-domed box sapphire crystal that emphasizes its unique dimensional form. The solid, polished stainless steel case is masterfully paired with a glossy black ceramic city-code bezel and a deep charcoal-black dial accented by sharp, raised silver-tone indices. Combining executive class with a sporty layout, this exceptional silver-and-black monochrome flagship model commands an incredible, timeless presence on the wrist. 2. Specifications Brand: SEIKO Series: ASTRON (First-Generation GPS Solar) Reference Number: 7X52-0AK0 Date of Manufacture: January 2014 (Serial No. 413109) Movement: GPS Solar (Caliber 7X52) Case Material: Stainless Steel / Ceramic Bezel Crystal: High-Domed Box Sapphire Crystal (Super-Clear Coating) Water Resistance: 10 BAR / 100M (Marked at time of manufacture) Dial: Deep charcoal black with dimensional silver-tone indices, multi-function sub-dial, and date window at 3 o'clock Strap: Original SEIKO black silicone rubber strap with stainless steel push-button deployment clasp 3. Condition Report Overall: Though over a decade has passed since its production, this first-generation ASTRON has been meticulously maintained, remaining in excellent, stable pre-owned condition with no major aesthetic or structural defects. Case & Bezel: The stainless steel case surfaces and lugs exhibit only very fine hairline marks and minor surface scuffs from gentle, regular handling over the years. It is completely free of any deep structural dings or heavy impact marks. The premium black ceramic bezel retains its flawless mirror-like luster with perfectly crisp city markings, and the push-buttons operate cleanly. Dial & Crystal: The distinctive high-domed box sapphire crystal is immaculate and scratch-free, offering an invisible, reflection-free view of the face. The multi-layered black dial, sharp silver hands, and matching dimensional indices are in pristine condition with zero signs of aging or fading. Strap: Fitted with its original genuine black silicone strap. It displays typical minor lint attraction and very light surface wear from gentle use, remaining perfectly supple and soft with no splitting or sticky residue. The stainless steel folding deployant mechanism operates tightly and secures properly. Functions: The first-generation Caliber 7X52 movement is running flawlessly; the GPS satellite synchronization, solar charging, instant timezone shifting, and automatic calendar mechanisms are all fully operational. 4. International Shipping & Customs International shipping is available to countries worldwide. Please note that international shipping fees and all associated customs duties, taxes, or import fees are the sole responsibility of the buyer.