43mm, Mineral Crystal , Stainless Steel, Fold Over Clasp with Push Buttons. 100M/10Bar/333ft [Swimming, Showering & Snorkeling] Classic watch styling designed for the man of today. Sporty with clean lines and oversized Arabic numbers, just what we want in an everyday timepiece. Featuring day and date. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number J800.