Collection
Professional diver
Watch name
Automatic red
Dial
black
Reference
6478-s1-7M
Case
Material
stainless steel (316L)
Glass
sapphire
Surface
matt
Water resist
33 ATM
Glass back
no
Size
46 mm
Crown
screw-down
Band
stainless steel
Strap width
24 mm
Variants
*bezel ring black+red -7, +yellow -9
Movement
Manufacturer
ETA, Manufacture Horlogère Suisse, Grenchen (since 1793)
Caliber
Eta 2824
Date
yes
Weekday
no
System
automatic
Energy
mechanical
Jewels
25
Vibrations
28´800 A/h
Special
bezel ring black+red