Seiko Presage Craftsmanship Series: Hakuji Arita Porcelain Dial Craftsmanship Series Arita Porcelain Dial MOVEMENT TYPE: Mechanical MOVEMENT CALIBRE: 6R31 +25 to -15 seconds per day BAND TYPE: Stainless Steel Bracelet CLASP TYPE: Deployment DIAL COLOUR: White WATER RESISTANCE (Metres): 100 CASE WIDTH: 40.5mm CASE DEPTH: 12.4mm GLASS TYPE: Sapphire Crystal DATE FUNCTION: None STONE TYPE: None