SEIKO Presage Classic Series Craftsmanship Arita Porcelain Dial SPB445J1Collection: Presage Classic Series Craftsmanship Arita Porcelain Dial Crystal: Dual curved sapphire crystal with anti reflective coating on inner surface Dial: Arita Porcelain (Hakuji pure white) with transparent glaze, handcrafted by artisans since 1830 Movement: Automatic with manual winding (Caliber 6R5H); approx. 72 hour power reserve; 24 jewels; accuracy +25 to 15 sec per day; 24 hour hand; stop second hand function Water resistance: 10 bar 100 m