Collection
Xl retro
Watch name
Chrono Bicompax
Dial
white
Reference
P557BVD-f2
Case
Material
stainless steel (316L)
Glass
mineral
Surface
polished
Water resist
3 ATM
Glass back
yes
Size
44 mm
Crown
not screwed
Band
leather
Strap width
22 mm
Movement
Manufacturer
Valjoux, Les Bioux, Switzerland (since 1901) now Member of ETA SA
Caliber
Valjoux 7750M
Date
yes
Weekday
no
System
automatic
Energy
mechanical
Jewels
25
Vibrations
28´800 A/h