The Soleus Ultra Sole Large watch features a co-molded polyurethane strap. 100 hour chronograph, hydration alarm (48 hrs. prior). 35-lap memory and 10-run data storage. Five interval timers, 15 second EL backlight burn. Dual time, two alarms. Water resistant up to ten ATM (100 meters).
explain difference between soleus ultra sole vs. soleus tigress