{"product_id":"seiko-astron-nexter-hab003j-gps-solar-dual-time-chronograph-black-titanium-silicone-mens-watch-japan-core-shop","title":"SEIKO ASTRON NEXTER HAB003J GPS Solar Dual-Time Chronograph Black Titanium Silicone Men's Watch Japan Core Shop","description":"\u003ch3 id=\"description%3A\" data-source-line=\"19-19\"\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-source-line=\"21-21\"\u003eThe SEIKO ASTRON NEXTER HAB003J represents cutting-edge GPS solar technology in a sporty configuration. This Core Shop exclusive model features the newly developed Caliber 5X63 with a black dial and silicone band for active lifestyles. The 43.4mm pure titanium case with DiaShield coating offers exceptional durability and scratch resistance while maintaining lightweight comfort at 91 grams.\u003c\/p\u003e\n\u003cp data-source-line=\"23-23\"\u003ePowered by GPS Solar technology, the watch connects to satellite networks to automatically adjust time zones and maintain precision worldwide. The innovative Smart Switch mechanism enables one-touch band changes, while the Super Smart Sensor captures satellite signals with exceptional speed. The black dial with Delta pattern provides bold contrast and enhanced legibility, complemented by Lumibrite hands and indexes.\u003c\/p\u003e\n\u003cp data-source-line=\"25-25\"\u003eDesigned for travelers, athletes, and professionals who demand accuracy with sporty versatility, the HAB003J combines 10-bar water resistance, sapphire crystal with super-clear coating, and hypoallergenic titanium construction. With approximately 6 months of operation on full charge and silicone band comfort, this model eliminates battery replacement concerns while delivering world-class performance.\u003c\/p\u003e\n\u003chr data-source-line=\"27-27\"\u003e\n\u003ch3 id=\"key-specifications%3A\" data-source-line=\"29-29\"\u003e\u003cstrong\u003eKey Specifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-source-line=\"31-47\"\u003e\n\u003cli data-source-line=\"31-31\"\u003e\n\u003cstrong\u003eCase:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e50.0 × 43.4 × 12.4 mm, weight 91 g, pure titanium with DiaShield coating\u003c\/li\u003e\n\u003cli data-source-line=\"32-32\"\u003e\n\u003cstrong\u003eBezel:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTitanium with DiaShield coating\u003c\/li\u003e\n\u003cli data-source-line=\"33-33\"\u003e\n\u003cstrong\u003eBand:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSilicone with Smart Switch mechanism, one-push triple-fold clasp, maximum wrist circumference 200 mm\u003c\/li\u003e\n\u003cli data-source-line=\"34-34\"\u003e\n\u003cstrong\u003eWater Resistance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e100 meters (10 BAR)\u003c\/li\u003e\n\u003cli data-source-line=\"35-35\"\u003e\n\u003cstrong\u003eMovement:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCaliber 5X63, GPS Solar quartz\u003c\/li\u003e\n\u003cli data-source-line=\"36-36\"\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGPS Solar (rechargeable), approximately 6 months full charge \/ 2 years power-save mode\u003c\/li\u003e\n\u003cli data-source-line=\"37-37\"\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e±15 seconds per month (without GPS signal reception)\u003c\/li\u003e\n\u003cli data-source-line=\"38-38\"\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAnalog with black dial, Lumibrite hands and indexes\u003c\/li\u003e\n\u003cli data-source-line=\"39-39\"\u003e\n\u003cstrong\u003eFunctions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGPS satellite time zone correction, dual-time display with AM\/PM indicator, 1\/20-second chronograph (24-hour capacity), perpetual calendar (until February 28, 2100), world time (38 time zones), power reserve indicator, time transfer function, Super Smart Sensor, satellite capture count display, reception result display, DST (Daylight Saving Time), reception off function (airplane mode), automatic hand position correction\u003c\/li\u003e\n\u003cli data-source-line=\"40-40\"\u003e\n\u003cstrong\u003eSpecial Features:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGPS Solar, Smart Switch band change mechanism, silicone band for sports use, overcharge prevention, power-save function\u003c\/li\u003e\n\u003cli data-source-line=\"41-41\"\u003e\n\u003cstrong\u003eGlass:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSapphire crystal with super-clear coating\u003c\/li\u003e\n\u003cli data-source-line=\"42-42\"\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eJapan - SEIKO Global Brand Core Shop exclusive model\u003c\/li\u003e\n\u003cli data-source-line=\"43-43\"\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3 years manufacturer warranty (Core Shop model)\u003c\/li\u003e\n\u003cli data-source-line=\"44-44\"\u003e\n\u003cstrong\u003eModel Code:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHAB003J\u003c\/li\u003e\n\u003cli data-source-line=\"45-45\"\u003e\n\u003cstrong\u003eJAN:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4954628473233\u003c\/li\u003e\n\u003cli data-source-line=\"46-47\"\u003e\n\u003cstrong\u003eRelease Date:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eJune 2026\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-source-line=\"48-48\"\u003e\n\u003ch3 id=\"key-highlights%3A\" data-source-line=\"50-50\"\u003e\u003cstrong\u003eKey Highlights:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-source-line=\"52-52\"\u003eThe HAB003J showcases SEIKO ASTRON's GPS Solar technology through Caliber 5X63 in a sport-focused configuration. The black dial with Delta pattern creates depth and bold contrast, while the pure titanium case with DiaShield coating delivers superior scratch resistance. The silicone band provides enhanced comfort for active wear and easy maintenance.\u003c\/p\u003e\n\u003cp data-source-line=\"54-54\"\u003eGPS satellite reception automatically corrects time zones worldwide through the Super Smart Sensor system. Solar charging ensures approximately 6 months of operation on full charge, with power-save mode extending runtime to 2 years. The chronograph measures to 1\/20 second with 24-hour capacity, while the perpetual calendar functions accurately until 2100.\u003c\/p\u003e\n\u003cp data-source-line=\"56-56\"\u003eThe Smart Switch mechanism enables tool-free band changes, allowing users to swap between titanium and silicone bands depending on activity. At 91 grams, this is the lightest configuration in the HAB00X series, reducing wrist fatigue during sports and extended wear. Sapphire crystal with super-clear coating provides exceptional clarity and scratch resistance.\u003c\/p\u003e\n\u003cp data-source-line=\"58-58\"\u003eAs a SEIKO Global Brand Core Shop exclusive, the HAB003J offers premium GPS technology with sporty versatility and extended 3-year warranty coverage. The combination of lightweight titanium, flexible silicone band, and GPS precision positions this model as ideal for athletes, adventurers, and travelers who value accuracy and comfort across demanding environments.\u003c\/p\u003e","brand":"SEIKO","offers":[{"title":"Default Title","offer_id":48687604433151,"sku":"HAB003J","price":383900.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/0561\/5871\/files\/hab003j_1.jpg?v=1781530648","url":"https:\/\/japanheartfulstore.com\/products\/seiko-astron-nexter-hab003j-gps-solar-dual-time-chronograph-black-titanium-silicone-mens-watch-japan-core-shop","provider":"Japan Heartful Store","version":"1.0","type":"link"}