EF553D-7A

Case / bezel material: Stainless steelDouble-lock, 1-press, 3-fold ClaspStainless Steel BandSolid BandPartial ion platedScrew Lock BackScrew Lock CrownTachymeterMineral Glass / Spherical GlassRetrograde dial100-meter water resistance1-second stopwatch Measuring capacity: 4:59'59 Measuring mode: Elapsed timeDay, date displayRegular timekeeping Analog: 3 hands (hour, minute, stopwatch seconds), 3 dials (timekeeping second, stopwatch hours, stopwatch minutes)Accuracy: ±20 seconds per monthApprox. battery life: 5 years on SR927W