Ref: BJ3010-51A
Citizen Eco-Drive Dúo Watch.
Eco-Drive (Ecological with load of infinite light with no need of change of battery).
Window display of date.
Chronograph to 1/20 of second.
Tachymeter.
Mineral crystal.
Stainless steel case.
Stainless steel bracelet.
W.R. 10 bar = 100 m.