Top Time B31

Movement
Caliber
Breitling B31 (Manufacture)
Movement
Self-winding mechanical
Power Reserve
Approx. 78 hrs
Vibration
28,800 v.p.h
Calendar
Dial aperture

Case
Case Material
Stainless steel
Caseback
Screwed in (sapphire crystal)
Water Resistance
10 bars (100 m/330 ft)
Bezel
Fixed
Crown
Non screw-locked, two gaskets
Crystal
Cambered sapphire, glareproofed both sides

Dimensions
Diameter
38 mm
Thickness
10.31 mm
Lug Width (in-between lugs)
20 mm

Strap
Strap Material
Stainless steel
Strap Colour
Metal bracelet
Strap Type
Straight
Lug
20 mm