Collection
Hercules
Watch name
Automatic
Dial
orange
Reference
4554-a5
Case
Material
stainless steel (316L)
Glass
mineral
Surface
mixed
Water resist
10 ATM
Glass back
yes
Size
47 mm
Crown
not screwed
Band
silicon
Strap width
22 mm
Movement
Manufacturer
ETA, Manufacture Horlogère Suisse, Grenchen (since 1793)
Caliber
ETA
Date
yes
Weekday
no
System
automatic
Energy
mechanical
Jewels
21/25
Vibrations
21´600/28´800 A/h
Special
Only small quantities available