Seiko Lukia x Analog ft. Happy Blossoms Women Formal Tonneau 100m Water Resistant Watch SSWA015J SSWA015 SSWA-015 SSWA-015J The Seiko Lukia SSWA015 and SSWA016 blend delicate elegance with Japanese precision. Petite tonneau-shaped cases, sparkling lab-grown diamonds and lustrous mother-of-pearl dials create a graceful jewellery-inspired look, complemented by stainless steel, curved sapphire crystal and reliable Caliber 4N30 quartz technology. Caliber Number / Movement 4N30 (quartz) Battery Life / Accuracy Approximately 3 years (+/-15 seconds per month) Crystal Sapphire crystal (curved, anti-reflective coating) Luminous Nil Case / Band Material Stainless steel case with stainless steel band (three-fold clasp with push-button release) Water Resistance 100m / 10 bar Case Size Thickness: 7.0 mm Diameter: 21.0 mm Length: 29.2 mm Lug width: 10.0 mm Other Specifications Seiko Lukia x Analog ft. Happy Blossoms Made in Japan Magnetic resistance (4,800 A/m) Regular timekeeping (analog display)