Dial Color: Black Dial Window Material: Mineral Display Type: Analog Case Material: Stainless steel Case Dimension: 47 mm Band Material: Stainelss steel Clasp Type: One touch 3-fold clasp Movement: Japanese quartz Water Resistant: 50 M Day and date indicator Regular timekeeping Analog: 3 hands (hour, minute, second), 3 dials (date, day, 24-hour) Accuracy: ±20 seconds per month Approx. battery life: 3 years on SR927SW Total weight: 124 g.