EF328D-1A

Case / bezel material: Stainless steelOne-touch 3-fold ClaspStainless Steel BandMineral GlassScrew Lock Back100-meter water resistanceRegular timekeeping Analog: 3 hands (hour, minute, second), 4 dials (month, date, day, 24-hour)Accuracy: ±20 seconds per monthApprox. battery life: 3 years on SR621SW