Caliber: Breitling B31 (Manufacture)
Breitling B31 (Manufacture): Movement
Movement: Self-winding mechanical
Self-winding mechanical: Power Reserve
Power Reserve: Approx. 78 hrs
Approx. 78 hrs: Vibration
Vibration: 28,800 v.p.h
28,800 v.p.h: Calendar
Calendar: Dial aperture
CaseCase Material: Stainless steel
Stainless steel: Caseback
Caseback: Screwed in (sapphire crystal)
Screwed in (sapphire crystal): Water Resistance
Water Resistance: 10 bars
10 bars: Bezel
Bezel: Fixed
Fixed: Crown
Crown: Non screw-locked, two gaskets
Non screw-locked, two gaskets: Crystal
Crystal: Cambered sapphire, glareproofed both sides
DimensionsProduct Weight (Approx.): 66.62 g
66.62 g: Watch Head Weight (Approx.)
Watch Head Weight (Approx.): 54 g
54 g: Diameter
Diameter: 38 mm
38 mm: Lug Width (in-between lugs)
Lug Width (in-between lugs): 20.05 mm
StrapStrap Material: Calfskin leather
Calfskin leather: Strap Colour
Strap Colour: Blue
Blue: Strap Type
Strap Type: Straight
Straight: Lug
Lug: 20/18 mm
20/18 mm: Buckle Material
Buckle Material: Stainless steel
Stainless steel: Buckle Type
Buckle Type: Tang-type
Tang-type: Buckle Size
Buckle Size: 18 mm
1. Cleaning & Maintenance
2. Environmental Protection
3. Water Resistance Care
All timepieces feature water resistance under specific conditions, but are not fully waterproof. Avoid exposure to pressurized water, hot water (e.g., showers, saunas), and submersion activities. After water contact, rinse with fresh water and dry immediately.
4. Winding & Power Reserve
Fast delivery, received it within a week from purchase date and would recommend it to those who are interested in Breitling Watches