Collection
Hercules
Watch name
New Edition Automatic
Dial
black
Reference
2554-new-s1
Case
Material
stainless steel (316L)
Glass
sapphire
Surface
mixed
Water resist
10 ATM
Glass back
no
Size
47 mm
Crown
screw-down
Band
silicon
Strap width
22 mm
Variants
2557-new with Chronograph
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