Function • Paired models offered as sets • Special pair packaging • Water resistant • Stainless steel band • Square face Mineral Glass Water Resistant Case / bezel: Ion plated Stainless Steel Band One-touch 3-fold Buckle Regular timekeeping Analog: 3 hands (hour, minute, second) Accuracy: ±20 seconds per month Approx. battery life: 3 years on SR626SW Size of case HIS: 40MM Size of case HER: 31MM