Ref. BN2031-85E
This Citizen Promaster watch, reference BN2031-85E, has a 46.1 mm steel case carrying a 200 metre water-resistance rating. The dial displays the date and a power reserve indicator. Calibre J250 is an Eco-Drive solar movement charged by light; a depth meter is a function of the watch. Mineral glass is part of the case construction; a steel bracelet closes with a folding clasp.
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Last updated 20 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
CASE
Diameter
46.1mm
Case Material
Steel
Water Resistance
200m
Crystal
Mineral Glass
MOVEMENT
Movement Type
Solar
Caliber
J250
BRACELET/STRAP
Bracelet/Strap
Steel
Clasp Type
Fold Clasp
FEATURES & COMPLICATIONS
DatePower Reserve DisplaySolar watch
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