Caliber Number / Movement
8637 (Solar Eco-Drive)
 
Power Reserve / Accuracy
Approximately 6 months when fully charged (+/-15 seconds per month)
 
Crystal
Mineral crystal
 
LumiBrite
Luminous index and hands
 
Case & Band Material
Stainless steel case with metal band (three-fold clasp with push-button release)
 
Water Resistance
100m / 10 bar
 
Case Size
Case size: 43 mm