This patented 1926 case features a bezel

[cesterin889]

The perfectly vacuum sealed Oyster case is the hallmark of Rolex watches. This patented 1926 case features a bezel. back housing and the crown that is screwed into the middle case These parts are constantly being changed. to enhance the waterproof capability of the watch and to meet the needs of divers while developing diving materials and techniques This allows them to dive even deeper.

อ่านต่อได้ที่  โรงเรียนบ้านหนองยาง
นานาสาระ    นาฬิกา Rolex