Caliber Number / Movement
B642 (Solar Eco-Drive)
 
Power Reserve / Accuracy
Approximately 7 months when fully charged (+/-15 seconds per month)
 
Crystal
Mineral crystal
 
Luminous
Nil
 
Case & Band Material
Stainless steel case with metal band (three-fold clasp with push-button release)
 
Water Resistance
100m / 10 bar
 
Dimensions
Thickness: 11.4 mm
Case size: 42.5 mm
 
Other Specifications
Date display
Insufficient charge warning function
Overcharge prevention function
Chronograph up to 60 minutes in 1-second increment