Caliber Number / Movement
E301 (Solar Eco-Drive)
 
Power Reserve / Accuracy
Approximately 6 months when fully charged (+/-15 seconds per month)
 
Crystal
Sapphire crystal
 
Luminous
Nil 
 
Case & Band Material
Stainless steel (gold plating) case with metal band (deployment-clasp with push-button release)
 
Water Resistance
50m / 5 bar
 
Dimensions
Thickness: 7.7 mm
Case size: 31.0 mm
 
Other Specifications
Insufficient charge warning function
Overcharge prevention function