Calibre No.
B642
Maximum run time from full charge
(Normal Use Condition)
Approximately 7 months
Movement
Eco-Drive
Signal Reception
Without Radio Reception Function
Strap
Stainless Steel
Water Resistant
Water Resistant to 5 bar
Weight
128g
Thickness
11.9mm
Case Size
42mm
Case
Stainless Steel
Glass
Crystal Glass
Warranty
3 years warranty
Specification
Date Display
Eco-Drive (recharged by any light source, no need for regular battery replacement)
Insufficient Charge Warning Function
Overcharge Prevention Function
Chronograph