12557
Unidirectional turning bezel
Scratch resistant sapphire crystal with antireflective treatment
Polished steel screw-in crown
Polished steel alarm button at 4 o’clock with red dot
Screw-in caseback with diving bell engraving
Water-resistance: 300 meters
Hand-applied faceted indexes with luminescent markers
Faceted hour and minute hands with luminescent markers
Angled Big Date window at 6 o’clock
3620
