Prospex Speedtimer 41.4mm Solar Chronograph Black & Grey Bezel Stainless Steel Bracelet Watch This solar-powered chronograph timepiece is from the Prospex Speedtimer watch collection which represents Seiko’s professional timekeeping heritage. MOVEMENT TYPE: Solar MOVEMENT CALIBRE: V192 +/-15 seconds per month BAND TYPE: Stainless Steel Bracelet CLASP TYPE: Z-Clasp DIAL COLOUR: White WATER RESISTANCE (Metres): 100 CASE WIDTH: 41.4mm CASE DEPTH: GLASS TYPE: Sapphire Crystal DATE FUNCTION: Date Only STONE TYPE: