Hublot aluminum 54 cm opening to 3 ladders. Toughened glass.

D 54 / D 40 cm Glass frame thickness 40 mm opening 20 mm shell Passage D 45 cm / Weight 14 kg / 12 mounting holes D 20mm
Clear glass in good condition. We select the portholes whose glasses are in good condition. They are never split but can have some small scratches due to 40 or 50 years of use.