Case / Bezel Material: Stainless Steel Adjustable Clasp Stainless Steel Mesh Band Mineral Glass 50-meter Water Resistance Date Display Regular Timekeeping Analog: 3 Hands (Hour, Minute, Second) Accuracy: ?ñ 20 seconds per month Approx. Battery life: 3 years on SR621SW Case size: 41??34??7.8mm Net weight: 48g